ERROR - unknown type 'user' approver

[minalghorpade]

Hello..
  I have Activiti-Explorer ( 5.12.1 ) . Its working fine with MySql DB .  Now I am facing a Problem to deploye own process ;-(
I want to deploye my own workflow process in activiti-explorer. For that I have created workflow using eclipse. Workflow contains Servicetask . This servicetask has JAVA class as activiti class.

Now as soon as I deploye this process I get following error…
I am not using " approver " in my process.
PFA . attaching my bpmn20.xml file which defines workflow

Please help

ERROR org.activiti.engine.impl.interceptor.CommandContext - Error while closing command context
org.activiti.engine.ActivitiIllegalArgumentException: unknown type 'user' approver
at org.activiti.engine.impl.form.FormTypes.parseFormPropertyType(FormTypes.java:55)
at org.activiti.engine.impl.form.DefaultFormHandler.parseConfiguration(DefaultFormHandler.java:61)
at org.activiti.engine.impl.form.DefaultStartFormHandler.parseConfiguration(DefaultStartFormHandler.java:34)
at org.activiti.engine.impl.bpmn.parser.handler.StartEventParseHandler.createStartFormHandlers(StartEventParseHandler.java:79)
at org.activiti.engine.impl.bpmn.parser.handler.StartEventParseHandler.executeParse(StartEventParseHandler.java:53)
at org.activiti.engine.impl.bpmn.parser.handler.StartEventParseHandler.executeParse(StartEventParseHandler.java:35)
at org.activiti.engine.impl.bpmn.parser.handler.AbstractBpmnParseHandler.parse(AbstractBpmnParseHandler.java:79)
at org.activiti.engine.impl.bpmn.parser.handler.AbstractFlowNodeBpmnParseHandler.parse(AbstractFlowNodeBpmnParseHandler.java:27)
at org.activiti.engine.impl.bpmn.parser.handler.AbstractActivityBpmnParseHandler.parse(AbstractActivityBpmnParseHandler.java:35)
at org.activiti.engine.impl.bpmn.parser.BpmnParseHandlers.parseElement(BpmnParseHandlers.java:73)
at org.activiti.engine.impl.bpmn.parser.BpmnParse.processFlowElements(BpmnParse.java:400)
at org.activiti.engine.impl.bpmn.parser.handler.ProcessParseHandler.transformProcess(ProcessParseHandler.java:82)
at org.activiti.engine.impl.bpmn.parser.handler.ProcessParseHandler.executeParse(ProcessParseHandler.java:44)
at org.activiti.engine.impl.bpmn.parser.handler.ProcessParseHandler.executeParse(ProcessParseHandler.java:30)
at org.activiti.engine.impl.bpmn.parser.handler.AbstractBpmnParseHandler.parse(AbstractBpmnParseHandler.java:79)
at org.activiti.engine.impl.bpmn.parser.BpmnParseHandlers.parseElement(BpmnParseHandlers.java:73)
at org.activiti.engine.impl.bpmn.parser.BpmnParse.transformProcessDefinitions(BpmnParse.java:361)
at org.activiti.engine.impl.bpmn.parser.BpmnParse.execute(BpmnParse.java:185)
at org.activiti.engine.impl.bpmn.deployer.BpmnDeployer.deploy(BpmnDeployer.java:86)
at org.activiti.engine.impl.persistence.deploy.DeploymentManager.deploy(DeploymentManager.java:42)
at org.activiti.engine.impl.persistence.deploy.DeploymentManager.resolveProcessDefinition(DeploymentManager.java:95)
at org.activiti.engine.impl.persistence.deploy.DeploymentManager.findDeployedProcessDefinitionById(DeploymentManager.java:57)
at org.activiti.engine.impl.persistence.entity.TaskEntity.getTaskDefinition(TaskEntity.java:560)
at org.activiti.engine.impl.cmd.GetTaskFormCmd.execute(GetTaskFormCmd.java:50)
at org.activiti.engine.impl.cmd.GetTaskFormCmd.execute(GetTaskFormCmd.java:32)
at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:61)
at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31)
at org.activiti.engine.impl.FormServiceImpl.getTaskFormData(FormServiceImpl.java:58)
at org.activiti.explorer.ui.task.TaskDetailPanel.initTaskForm(TaskDetailPanel.java:300)
at org.activiti.explorer.ui.task.TaskDetailPanel.init(TaskDetailPanel.java:118)
at org.activiti.explorer.ui.task.TaskDetailPanel.attach(TaskDetailPanel.java:99)
at com.vaadin.ui.AbstractComponent.setParent(AbstractComponent.java:560)
at com.vaadin.ui.AbstractComponentContainer.addComponent(AbstractComponentContainer.java:211)
at com.vaadin.ui.GridLayout.addComponent(GridLayout.java:230)
at org.activiti.explorer.ui.AbstractPage.setDetailComponent(AbstractPage.java:142)
at org.activiti.explorer.ui.task.TaskPage.access$000(TaskPage.java:44)
at org.activiti.explorer.ui.task.TaskPage$1.valueChange(TaskPage.java:117)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:510)
at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:164)
at com.vaadin.ui.AbstractComponent.fireEvent(AbstractComponent.java:1219)
at com.vaadin.ui.AbstractField.fireValueChange(AbstractField.java:897)
at com.vaadin.ui.AbstractField.setValue(AbstractField.java:529)
at com.vaadin.ui.AbstractSelect.setValue(AbstractSelect.java:676)
at com.vaadin.ui.AbstractSelect.setValue(AbstractSelect.java:645)
at com.vaadin.ui.Table.setValue(Table.java:3572)
at com.vaadin.ui.AbstractSelect.select(AbstractSelect.java:1422)
at org.activiti.explorer.ui.AbstractTablePage.selectElement(AbstractTablePage.java:81)
at org.activiti.explorer.ui.task.TaskPage.initUi(TaskPage.java:70)
at org.activiti.explorer.ui.AbstractPage.attach(AbstractPage.java:43)
at com.vaadin.ui.AbstractComponent.setParent(AbstractComponent.java:560)
at com.vaadin.ui.AbstractComponentContainer.addComponent(AbstractComponentContainer.java:211)
at com.vaadin.ui.CssLayout.addComponent(CssLayout.java:95)
at org.activiti.explorer.ui.mainlayout.MainLayout.setMainContent(MainLayout.java:58)
at org.activiti.explorer.ui.MainWindow.switchView(MainWindow.java:79)
at org.activiti.explorer.DefaultViewManager.switchView(DefaultViewManager.java:342)
at org.activiti.explorer.DefaultViewManager.showInboxPage(DefaultViewManager.java:172)
at org.activiti.explorer.DefaultViewManager.showDefaultPage(DefaultViewManager.java:90)
at org.activiti.explorer.ui.login.LoginPage$ActivitiLoginListener.onLogin(LoginPage.java:101)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:510)
at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:164)
at com.vaadin.ui.AbstractComponent.fireEvent(AbstractComponent.java:1219)
at com.vaadin.ui.LoginForm$2.handleParameters(LoginForm.java:103)
at com.vaadin.ui.Window.handleParameters(Window.java:515)
at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.service(AbstractApplicationServlet.java:528)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.activiti.explorer.filter.ExplorerFilter.doFilter(ExplorerFilter.java:44)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:662

[eon]

I am also encountering this problem when i am running both activiti-explorer and activiti-rest connecting to the same postgresql database. It seems to work fine when i am running only activiti-explorer….

[minalghorpade]

Hi ..
   Solved my problem . I removed all the demo processes and demo report from activiti explorer . I found this solution while searching forum for the same but the solution was given for activiti 5.12 .
It was supposed this bug must be  fixed in 5.12.1 . 

[jbarrez]

Indeed. The issue was resolved for 5.12.1.

[jbarrez]

(but to add, it wasn't a bug, more of a bad choice of configs)

[eon]

I am using 5.12.1 at the moment. Both activiti-explorer & activiti-rest works fine after I turn off the following property.

<code>
<property name="createDemoProcessDefinitions" value="false" />
<property name="createDemoModels" value="false" />
<property name="generateReportData" value="false" />
</code>

Currently, i  will encounter the following errors in activiti-rest if i enable those demo processes.
<code>
org.activiti.engine.ActivitiIllegalArgumentException: unknown type 'user' approver
</code>

Is there any workaround for this issue?

Thank you.

[jbarrez]

Yeah, the solution is to mimic the process engine config on the rest server too.

But that's probably not very userfriendly … might need to look into a lazy evaluation scheme to fix this properly