<?xml version="1.0" encoding="UTF-8"?>
<rss xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:taxo="http://purl.org/rss/1.0/modules/taxonomy/" version="2.0">
  <channel>
    <title>topic activiti explorer with mysql  in Alfresco Archive</title>
    <link>https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-with-mysql/m-p/159162#M113209</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Just afte i set up activiti Explorer with mysql database, some times it hangs, generating the following error. I tried it with the out of the box examples downloaded with the package.&amp;nbsp;&amp;nbsp; I have used the latest version 5.13.&amp;nbsp; &lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;AM org.apache.catalina.startup.Catalina start&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;INFO: Server startup in 9338 ms&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;com.vaadin.event.ListenerMethod$MethodException: Invocation of method valueChange in org.activiti.explorer.ui.task.TaskPage$1 failed.&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:530)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:164)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.AbstractComponent.fireEvent(AbstractComponent.java:1219)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.AbstractField.fireValueChange(AbstractField.java:897)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.AbstractField.setValue(AbstractField.java:529)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.AbstractSelect.setValue(AbstractSelect.java:676)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.AbstractSelect.setValue(AbstractSelect.java:645)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.Table.setValue(Table.java:3572)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.AbstractSelect.select(AbstractSelect.java:1422)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.AbstractTablePage.selectElement(AbstractTablePage.java:81)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.task.TaskPage.initUi(TaskPage.java:70)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.AbstractPage.attach(AbstractPage.java:43)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.AbstractComponent.setParent(AbstractComponent.java:560)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.AbstractComponentContainer.addComponent(AbstractComponentContainer.java:211)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.CssLayout.addComponent(CssLayout.java:95)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.mainlayout.MainLayout.setMainContent(MainLayout.java:58)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.MainWindow.switchView(MainWindow.java:79)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.DefaultViewManager.switchView(DefaultViewManager.java:342)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.DefaultViewManager.showInboxPage(DefaultViewManager.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.DefaultViewManager.showDefaultPage(DefaultViewManager.java:90)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.login.LoginPage$ActivitiLoginListener.onLogin(LoginPage.java:102)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.lang.reflect.Method.invoke(Method.java:601)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:510)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:164)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.AbstractComponent.fireEvent(AbstractComponent.java:1219)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.LoginForm$2.handleParameters(LoginForm.java:103)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.Window.handleParameters(Window.java:515)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.service(AbstractApplicationServlet.java:528)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.filter.ExplorerFilter.doFilter(ExplorerFilter.java:44)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.lang.Thread.run(Thread.java:722)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Caused by: java.lang.NullPointerException&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.cmd.GetIdentityLinksForTaskCmd.execute(GetIdentityLinksForTaskCmd.java:47)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.cmd.GetIdentityLinksForTaskCmd.execute(GetIdentityLinksForTaskCmd.java:31)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:61)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.TaskServiceImpl.getIdentityLinksForTask(TaskServiceImpl.java:154)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.task.TaskInvolvedPeopleComponent.initInvolvedPeople(TaskInvolvedPeopleComponent.java:183)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.task.TaskInvolvedPeopleComponent.populatePeopleGrid(TaskInvolvedPeopleComponent.java:151)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.task.TaskInvolvedPeopleComponent.initPeopleGrid(TaskInvolvedPeopleComponent.java:145)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.task.TaskInvolvedPeopleComponent.initUi(TaskInvolvedPeopleComponent.java:82)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.task.TaskInvolvedPeopleComponent.&amp;lt;init&amp;gt;(TaskInvolvedPeopleComponent.java:73)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.task.TaskDetailPanel.initPeopleDetails(TaskDetailPanel.java:283)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.task.TaskDetailPanel.init(TaskDetailPanel.java:115)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.task.TaskDetailPanel.attach(TaskDetailPanel.java:99)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.AbstractComponent.setParent(AbstractComponent.java:560)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.AbstractComponentContainer.addComponent(AbstractComponentContainer.java:211)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.ui.GridLayout.addComponent(GridLayout.java:230)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.AbstractPage.setDetailComponent(AbstractPage.java:155)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.task.TaskPage.access$000(TaskPage.java:44)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.ui.task.TaskPage$1.valueChange(TaskPage.java:117)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.lang.reflect.Method.invoke(Method.java:601)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:510)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; … 46 more&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;ERROR org.springframework.transaction.support.TransactionTemplate&amp;nbsp; - Application exception overridden by rollback exception&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;org.apache.ibatis.exceptions.PersistenceException:&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;### Error querying database.&amp;nbsp; Cause: com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;** BEGIN NESTED EXCEPTION **&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;java.net.SocketException&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;MESSAGE: Software caused connection abort: recv failed&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;STACKTRACE:&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;java.net.SocketException: Software caused connection abort: recv failed&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.net.SocketInputStream.socketRead0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.net.SocketInputStream.read(SocketInputStream.java:150)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.net.SocketInputStream.read(SocketInputStream.java:121)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:113)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1994)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2411)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2916)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1631)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1723)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.Connection.execSQL(Connection.java:3256)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1313)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:874)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:56)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:70)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:259)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:132)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:105)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:81)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:104)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:98)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectListWithRawParameter(DbSqlSession.java:284)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:275)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:270)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:251)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.VariableInstanceEntityManager.findVariableInstancesByTaskId(VariableInstanceEntityManager.java:29)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntity.loadVariableInstances(TaskEntity.java:233)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.VariableScopeImpl.ensureVariableInstancesInitialized(VariableScopeImpl.java:60)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntity.getVariableInstances(TaskEntity.java:691)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.VariableInstanceEntityManager.deleteVariableInstanceByTask(VariableInstanceEntityManager.java:38)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntityManager.deleteTask(TaskEntityManager.java:64)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntity.complete(TaskEntity.java:152)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.cmd.CompleteTaskCmd.execute(CompleteTaskCmd.java:39)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.cmd.CompleteTaskCmd.execute(CompleteTaskCmd.java:24)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.cmd.NeedsActiveTaskCmd.execute(NeedsActiveTaskCmd.java:61)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:61)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.TaskServiceImpl.complete(TaskServiceImpl.java:163)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.demo.DemoDataGenerator$1.run(DemoDataGenerator.java:278)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.lang.Thread.run(Thread.java:722)&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;** END NESTED EXCEPTION **&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Last packet sent to the server was 1475441 ms ago.&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;### The error may exist in org/activiti/db/mapping/entity/VariableInstance.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;### The error may involve org.activiti.engine.impl.persistence.entity.VariableInstanceEntity.selectVariablesByTaskId-Inline&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;### The error occurred while setting parameters&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;### SQL: select * from ACT_RU_VARIABLE where&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; TASK_ID_ =&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; ?&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;### Cause: com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;** BEGIN NESTED EXCEPTION **&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;java.net.SocketException&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;MESSAGE: Software caused connection abort: recv failed&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;STACKTRACE:&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;java.net.SocketException: Software caused connection abort: recv failed&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.net.SocketInputStream.socketRead0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.net.SocketInputStream.read(SocketInputStream.java:150)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.net.SocketInputStream.read(SocketInputStream.java:121)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:113)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1994)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2411)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2916)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1631)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1723)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.Connection.execSQL(Connection.java:3256)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1313)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:874)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:56)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:70)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:259)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:132)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:105)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:81)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:104)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:98)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectListWithRawParameter(DbSqlSession.java:284)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:275)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:270)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:251)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.VariableInstanceEntityManager.findVariableInstancesByTaskId(VariableInstanceEntityManager.java:29)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntity.loadVariableInstances(TaskEntity.java:233)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.VariableScopeImpl.ensureVariableInstancesInitialized(VariableScopeImpl.java:60)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntity.getVariableInstances(TaskEntity.java:691)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.VariableInstanceEntityManager.deleteVariableInstanceByTask(VariableInstanceEntityManager.java:38)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntityManager.deleteTask(TaskEntityManager.java:64)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntity.complete(TaskEntity.java:152)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.cmd.CompleteTaskCmd.execute(CompleteTaskCmd.java:39)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.cmd.CompleteTaskCmd.execute(CompleteTaskCmd.java:24)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.cmd.NeedsActiveTaskCmd.execute(NeedsActiveTaskCmd.java:61)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:61)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.TaskServiceImpl.complete(TaskServiceImpl.java:163)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.demo.DemoDataGenerator$1.run(DemoDataGenerator.java:278)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.lang.Thread.run(Thread.java:722)&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;** END NESTED EXCEPTION **&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Last packet sent to the server was 1475441 ms ago.&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:23)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:107)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:98)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectListWithRawParameter(DbSqlSession.java:284)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:275)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:270)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:251)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.VariableInstanceEntityManager.findVariableInstancesByTaskId(VariableInstanceEntityManager.java:29)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntity.loadVariableInstances(TaskEntity.java:233)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.VariableScopeImpl.ensureVariableInstancesInitialized(VariableScopeImpl.java:60)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntity.getVariableInstances(TaskEntity.java:691)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.VariableInstanceEntityManager.deleteVariableInstanceByTask(VariableInstanceEntityManager.java:38)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntityManager.deleteTask(TaskEntityManager.java:64)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntity.complete(TaskEntity.java:152)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.cmd.CompleteTaskCmd.execute(CompleteTaskCmd.java:39)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.cmd.CompleteTaskCmd.execute(CompleteTaskCmd.java:24)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.cmd.NeedsActiveTaskCmd.execute(NeedsActiveTaskCmd.java:61)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:61)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.TaskServiceImpl.complete(TaskServiceImpl.java:163)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.demo.DemoDataGenerator$1.run(DemoDataGenerator.java:278)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.lang.Thread.run(Thread.java:722)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Caused by: com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;** BEGIN NESTED EXCEPTION **&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;java.net.SocketException&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;MESSAGE: Software caused connection abort: recv failed&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;STACKTRACE:&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;java.net.SocketException: Software caused connection abort: recv failed&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.net.SocketInputStream.socketRead0(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.net.SocketInputStream.read(SocketInputStream.java:150)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.net.SocketInputStream.read(SocketInputStream.java:121)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:113)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1994)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2411)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2916)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1631)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1723)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.Connection.execSQL(Connection.java:3256)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1313)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:874)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:56)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:70)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:259)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:132)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:105)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:81)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:104)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:98)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectListWithRawParameter(DbSqlSession.java:284)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:275)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:270)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:251)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.VariableInstanceEntityManager.findVariableInstancesByTaskId(VariableInstanceEntityManager.java:29)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntity.loadVariableInstances(TaskEntity.java:233)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.VariableScopeImpl.ensureVariableInstancesInitialized(VariableScopeImpl.java:60)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntity.getVariableInstances(TaskEntity.java:691)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.VariableInstanceEntityManager.deleteVariableInstanceByTask(VariableInstanceEntityManager.java:38)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntityManager.deleteTask(TaskEntityManager.java:64)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.persistence.entity.TaskEntity.complete(TaskEntity.java:152)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.cmd.CompleteTaskCmd.execute(CompleteTaskCmd.java:39)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.cmd.CompleteTaskCmd.execute(CompleteTaskCmd.java:24)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.cmd.NeedsActiveTaskCmd.execute(NeedsActiveTaskCmd.java:61)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:61)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.TaskServiceImpl.complete(TaskServiceImpl.java:163)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.demo.DemoDataGenerator$1.run(DemoDataGenerator.java:278)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.lang.Thread.run(Thread.java:722)&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;** END NESTED EXCEPTION **&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Last packet sent to the server was 1475441 ms ago.&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2622)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2916)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1631)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1723)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.Connection.execSQL(Connection.java:3256)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1313)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:874)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:56)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:70)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:57)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:259)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:132)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:105)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:81)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:104)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; … 24 more&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Exception in thread "Thread-4" org.springframework.transaction.TransactionSystemException: Could not roll back JDBC transaction; nested exception is com.mysql.jdbc.exceptions.MySQLNonTransientConnecti&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;onException: Connection.close() has already been called. Invalid operation in this state.&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.springframework.jdbc.datasource.DataSourceTransactionManager.doRollback(DataSourceTransactionManager.java:285)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.springframework.transaction.support.AbstractPlatformTransactionManager.processRollback(AbstractPlatformTransactionManager.java:845)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:822)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.springframework.transaction.support.TransactionTemplate.rollbackOnException(TransactionTemplate.java:161)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:134)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.engine.impl.TaskServiceImpl.complete(TaskServiceImpl.java:163)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.activiti.explorer.demo.DemoDataGenerator$1.run(DemoDataGenerator.java:278)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at java.lang.Thread.run(Thread.java:722)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Caused by: com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: Connection.close() has already been called. Invalid operation in this state.&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:888)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.Connection.getMutex(Connection.java:3728)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at com.mysql.jdbc.Connection.rollback(Connection.java:5204)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.commons.dbcp.DelegatingConnection.rollback(DelegatingConnection.java:368)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; at org.apache.commons.&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Tue, 13 Aug 2013 07:04:45 GMT</pubDate>
    <dc:creator>aemro</dc:creator>
    <dc:date>2013-08-13T07:04:45Z</dc:date>
    <item>
      <title>activiti explorer with mysql</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-with-mysql/m-p/159162#M113209</link>
      <description>Just afte i set up activiti Explorer with mysql database, some times it hangs, generating the following error. I tried it with the out of the box examples downloaded with the package.&amp;nbsp;&amp;nbsp; I have used the latest version 5.13.&amp;nbsp; AM org.apache.catalina.startup.Catalina startINFO: Server startup in 9338 ms</description>
      <pubDate>Tue, 13 Aug 2013 07:04:45 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-with-mysql/m-p/159162#M113209</guid>
      <dc:creator>aemro</dc:creator>
      <dc:date>2013-08-13T07:04:45Z</dc:date>
    </item>
    <item>
      <title>Re: activiti explorer with mysql</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-with-mysql/m-p/159163#M113210</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;&amp;lt;code&amp;gt;java.net.SocketException: Software caused connection abort: recv failed&amp;lt;/code&amp;gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;This is really not an Activiti exception it seems, but rather a DB connection issue.&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 14 Aug 2013 10:09:24 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-with-mysql/m-p/159163#M113210</guid>
      <dc:creator>jbarrez</dc:creator>
      <dc:date>2013-08-14T10:09:24Z</dc:date>
    </item>
    <item>
      <title>Re: activiti explorer with mysql</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-with-mysql/m-p/159164#M113211</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Thanks ,&amp;nbsp; It seems fixed now. But I have got another problem both on 5.13 and 5.14 (unreleased) . It has been working fine during first time installation with mysql , but when I restart tomcat, It hangs forever. &lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Since I need the demo data&amp;nbsp; for demonstration I want keep this configuration&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;lt;property name="createDemoUsersAndGroups" value="true" /&amp;gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;property name="createDemoProcessDefinitions" value="true" /&amp;gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;property name="createDemoModels" value="true" /&amp;gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;lt;property name="generateReportData" value="true" /&amp;gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;INFO: Starting service Catalina&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Aug 16, 2013 9:35:33 AM org.apache.catalina.core.StandardEngine startInternal&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;INFO: Starting Servlet Engine: Apache Tomcat/7.0.42&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Aug 16, 2013 9:35:33 AM org.apache.catalina.startup.HostConfig deployWAR&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;INFO: Deploying web application archive /opt/portal/tomcat7_actviti/webapps/activiti-webapp-explorer2-5.14-SNAPSHOT.war&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:46,772 [localhost-startStop-1] INFO&amp;nbsp; org.springframework.web.context.ContextLoader&amp;nbsp; - Root WebApplicationContext: initialization started&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:47,087 [localhost-startStop-1] INFO&amp;nbsp; org.springframework.web.context.support.XmlWebApplicationContext&amp;nbsp; - Refreshing Root WebApplicationContext: startup date [Fri Aug 16 09:35:47 UTC 2013]; root of context hierarchy&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:47,284 [localhost-startStop-1] INFO&amp;nbsp; org.springframework.beans.factory.xml.XmlBeanDefinitionReader&amp;nbsp; - Loading XML bean definitions from ServletContext resource [/WEB-INF/applicationContext.xml]&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:47,561 [localhost-startStop-1] INFO&amp;nbsp; org.springframework.beans.factory.xml.XmlBeanDefinitionReader&amp;nbsp; - Loading XML bean definitions from ServletContext resource [/WEB-INF/activiti-standalone-context.xml]&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:47,705 [localhost-startStop-1] INFO&amp;nbsp; org.springframework.beans.factory.xml.XmlBeanDefinitionReader&amp;nbsp; - Loading XML bean definitions from ServletContext resource [/WEB-INF/activiti-ui-context.xml]&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:48,242 [localhost-startStop-1] INFO&amp;nbsp; org.springframework.beans.factory.config.PropertyPlaceholderConfigurer&amp;nbsp; - Loading properties file from class path resource [db.properties]&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:48,250 [localhost-startStop-1] INFO&amp;nbsp; org.springframework.beans.factory.config.PropertyPlaceholderConfigurer&amp;nbsp; - Loading properties file from class path resource [ui.properties]&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:48,362 [localhost-startStop-1] INFO&amp;nbsp; org.springframework.beans.factory.support.DefaultListableBeanFactory&amp;nbsp; - Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@32fd4662: defining beans [demoDataGenerator,dbProperties,dataSource,transactionManager,processEngineConfiguration,processEngine,repositoryService,runtimeService,taskService,historyService,managementService,identityService,activitiLoginHandler,activitiUiPropertyPlaceholder,navigatorManager,attachmentRendererManager,formPropertyRendererManager,variableRendererManager,componentFactories,processDefinitionFilterFactory,deploymentFilterFactory,navigationFragmentChangeListener,mainWindow,explorerApp,i18nManager,scopedTarget.messageSource,messageSource,notificationManager,viewManager,workflowDefinitionConversionFactory]; root of factory hierarchy&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:54,776 [localhost-startStop-1] INFO&amp;nbsp; org.activiti.engine.impl.ProcessEngineImpl&amp;nbsp; - ProcessEngine default created&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:54,784 [localhost-startStop-1] INFO&amp;nbsp; org.activiti.engine.impl.jobexecutor.JobExecutor&amp;nbsp; - Starting up the JobExecutor[org.activiti.engine.impl.jobexecutor.DefaultJobExecutor].&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:54,802 [localhost-startStop-1] INFO&amp;nbsp; org.activiti.explorer.demo.DemoDataGenerator&amp;nbsp; - Initializing demo groups&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:54,794 [Thread-2] INFO&amp;nbsp; org.activiti.engine.impl.jobexecutor.AcquireJobsRunnable&amp;nbsp; - JobExecutor[org.activiti.engine.impl.jobexecutor.DefaultJobExecutor] starting to acquire jobs&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,181 [pool-1-thread-3] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,211 [pool-1-thread-3] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,184 [pool-1-thread-2] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,231 [pool-1-thread-2] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,215 [localhost-startStop-1] INFO&amp;nbsp; org.activiti.explorer.demo.DemoDataGenerator&amp;nbsp; - Initializing demo users&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,268 [pool-1-thread-1] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,446 [pool-1-thread-1] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,512 [pool-1-thread-4] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,542 [pool-1-thread-4] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,600 [pool-1-thread-5] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,616 [pool-1-thread-5] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,608 [pool-1-thread-6] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,616 [pool-1-thread-6] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,712 [pool-1-thread-8] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,750 [pool-1-thread-8] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,797 [pool-1-thread-7] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:55,852 [pool-1-thread-7] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,460 [pool-1-thread-3] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,466 [pool-1-thread-3] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/createTimersProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,460 [pool-1-thread-4] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,469 [pool-1-thread-4] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/createTimersProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,461 [pool-1-thread-8] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,460 [pool-1-thread-6] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,474 [pool-1-thread-6] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/createTimersProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,460 [pool-1-thread-5] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,478 [pool-1-thread-5] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/createTimersProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,460 [pool-1-thread-2] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,482 [pool-1-thread-2] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/createTimersProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,460 [pool-1-thread-1] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,483 [pool-1-thread-1] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/createTimersProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,490 [pool-1-thread-8] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/createTimersProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,676 [pool-1-thread-7] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/FixSystemFailureProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:57,682 [pool-1-thread-7] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/createTimersProcess.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:59,291 [pool-1-thread-1] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:59,298 [pool-1-thread-2] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:59,302 [pool-1-thread-8] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:59,306 [pool-1-thread-4] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:59,310 [pool-1-thread-5] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:59,312 [pool-1-thread-3] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:59,322 [pool-1-thread-6] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:35:59,384 [pool-1-thread-7] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/VacationRequest.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,604 [pool-1-thread-5] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.simpleApprovalProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,615 [pool-1-thread-5] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,615 [pool-1-thread-8] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.simpleApprovalProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,607 [pool-1-thread-1] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.simpleApprovalProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,618 [pool-1-thread-1] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,606 [pool-1-thread-3] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.simpleApprovalProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,620 [pool-1-thread-3] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,605 [pool-1-thread-4] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.simpleApprovalProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,622 [pool-1-thread-4] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,605 [pool-1-thread-2] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.simpleApprovalProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,624 [pool-1-thread-2] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,634 [pool-1-thread-8] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,656 [pool-1-thread-6] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.simpleApprovalProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,662 [pool-1-thread-6] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,675 [pool-1-thread-7] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.simpleApprovalProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:00,686 [pool-1-thread-7] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:01,980 [pool-1-thread-1] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.reviewSaledLead.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:01,981 [pool-1-thread-1] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:01,981 [pool-1-thread-1] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:01,983 [pool-1-thread-2] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.reviewSaledLead.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:01,983 [pool-1-thread-2] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:01,984 [pool-1-thread-2] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:01,987 [pool-1-thread-8] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.reviewSaledLead.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:01,987 [pool-1-thread-8] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:01,987 [pool-1-thread-8] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:01,991 [pool-1-thread-3] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.reviewSaledLead.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:01,991 [pool-1-thread-3] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:01,991 [pool-1-thread-3] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:02,010 [pool-1-thread-4] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.reviewSaledLead.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:02,010 [pool-1-thread-4] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:02,011 [pool-1-thread-4] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:02,015 [pool-1-thread-5] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.reviewSaledLead.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:02,015 [pool-1-thread-5] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:02,015 [pool-1-thread-5] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:02,049 [pool-1-thread-6] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.reviewSaledLead.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:02,050 [pool-1-thread-6] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:02,050 [pool-1-thread-6] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:02,056 [pool-1-thread-7] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/reviewSalesLead.reviewSaledLead.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:02,056 [pool-1-thread-7] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:02,056 [pool-1-thread-7] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/Helpdesk.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:03,009 [pool-1-thread-8] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:03,027 [pool-1-thread-2] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:03,052 [pool-1-thread-6] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:03,040 [pool-1-thread-4] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:03,038 [pool-1-thread-1] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:03,037 [pool-1-thread-3] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:03,037 [pool-1-thread-5] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;09:36:03,141 [pool-1-thread-7] INFO&amp;nbsp; org.activiti.engine.impl.bpmn.deployer.BpmnDeployer&amp;nbsp; - Processing resource org/activiti/explorer/demo/process/simple-approval.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;^C&lt;/SPAN&gt;&lt;BR /&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 16 Aug 2013 10:02:33 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-with-mysql/m-p/159164#M113211</guid>
      <dc:creator>aemro</dc:creator>
      <dc:date>2013-08-16T10:02:33Z</dc:date>
    </item>
    <item>
      <title>Re: activiti explorer with mysql</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-with-mysql/m-p/159165#M113212</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;I even&amp;nbsp; changed&amp;nbsp; the configuration but it still tried to upload and hungs &lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt; property name="createDemoUsersAndGroups" value="false"&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; property name="createDemoProcessDefinitions" value="false" &lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; property name="createDemoModels" value="false" &lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; property name="generateReportData" value="false" &lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 16 Aug 2013 10:09:58 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-with-mysql/m-p/159165#M113212</guid>
      <dc:creator>aemro</dc:creator>
      <dc:date>2013-08-16T10:09:58Z</dc:date>
    </item>
    <item>
      <title>Re: activiti explorer with mysql</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-with-mysql/m-p/159166#M113213</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Solved&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;drop my old schema and restarted tomcat. It went well, I hope it won't break again.&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 16 Aug 2013 10:48:55 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/activiti-explorer-with-mysql/m-p/159166#M113213</guid>
      <dc:creator>aemro</dc:creator>
      <dc:date>2013-08-16T10:48:55Z</dc:date>
    </item>
  </channel>
</rss>

