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    <title>topic Error when configuring h2 as a standalone server in Alfresco Archive</title>
    <link>https://connect.hyland.com/t5/alfresco-archive/error-when-configuring-h2-as-a-standalone-server/m-p/197773#M150903</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;I tried to get started with the bpmn-tutorial in chatpter 7 of the activity-manual after successfully installing and deploying the activity-jars and creating a processInstance, which I ran on Tomcat. I likewise installed an h2 database aided by the windows installer - I started the h2 database-server with the *.bat, with the goal in mind to carry out the first step of the bpmn-tutorial which reads as follows:&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BLOCKQUOTE class="jive-quote"&gt;This tutorial assumes that you have the Activiti demo setup running, and that you are using a standalone H2 server. Edit db.properties and set the jdbc.url=jdbc:h2:tcp://localhost/activiti, and then run the standalone server according to H2's documentation.&lt;/BLOCKQUOTE&gt;&lt;SPAN&gt;&amp;nbsp; &lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;So I navigated to the dp.properties-file in my war file (C:\foo\bar\ServerFolder\webapps\activiti-explorer.war\WEB-INF\classes\) and altered the string that I beheld therein (db=h2jdbc.driver=org.h2.Driverjdbc.url=jdbc:h2:mem:activiti;DB_CLOSE_DELAY=1000jdbc.username=sajdbc.password=) to this: jdbc.url=jdbc:h2:tcp://localhost/activiti&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;As a result of this, the Tomcat server, which had started up repeatedly, would no longer start up, the error message - betraying that my programme runs as a Vaadin application named Vaadin - reads as follows:&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BLOCKQUOTE class="jive-quote"&gt;Servlet.service() for servlet [Vaadin Application] in context with path [/Vaadin] threw exception [java.lang.NullPointerException] with root cause&lt;BR /&gt;java.lang.NullPointerException&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at com.example.vaadin.VaadinApplication.init(VaadinApplication.java:35)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at com.vaadin.Application.start(Application.java:551)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.startApplication(AbstractApplicationServlet.java:1219)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.service(AbstractApplicationServlet.java:484)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.Thread.run(Unknown Source)&lt;/BLOCKQUOTE&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp; &lt;/SPAN&gt;&lt;BR /&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Wed, 22 Oct 2014 13:51:45 GMT</pubDate>
    <dc:creator>swsw1</dc:creator>
    <dc:date>2014-10-22T13:51:45Z</dc:date>
    <item>
      <title>Error when configuring h2 as a standalone server</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/error-when-configuring-h2-as-a-standalone-server/m-p/197773#M150903</link>
      <description>I tried to get started with the bpmn-tutorial in chatpter 7 of the activity-manual after successfully installing and deploying the activity-jars and creating a processInstance, which I ran on Tomcat. I likewise installed an h2 database aided by the windows installer - I started the h2 database-serve</description>
      <pubDate>Wed, 22 Oct 2014 13:51:45 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/error-when-configuring-h2-as-a-standalone-server/m-p/197773#M150903</guid>
      <dc:creator>swsw1</dc:creator>
      <dc:date>2014-10-22T13:51:45Z</dc:date>
    </item>
    <item>
      <title>Re: Error when configuring h2 as a standalone server</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/error-when-configuring-h2-as-a-standalone-server/m-p/197774#M150904</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Which H2 version are you using?&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;H2 recently changed their default urls, see &lt;/SPAN&gt;&lt;A href="https://github.com/Activiti/Activiti/commit/5f6cee1b55ac6e8a0ce16b7698e9bc19297a73cc" rel="nofollow noopener noreferrer"&gt;https://github.com/Activiti/Activiti/commit/5f6cee1b55ac6e8a0ce16b7698e9bc19297a73cc&lt;/A&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 23 Oct 2014 08:14:00 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/error-when-configuring-h2-as-a-standalone-server/m-p/197774#M150904</guid>
      <dc:creator>jbarrez</dc:creator>
      <dc:date>2014-10-23T08:14:00Z</dc:date>
    </item>
    <item>
      <title>Re: Error when configuring h2 as a standalone server</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/error-when-configuring-h2-as-a-standalone-server/m-p/197775#M150905</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Thank You! I learnt that the latest h2-version requires a swung dash like this ….localhost/~/activiti&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 23 Oct 2014 14:57:00 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/error-when-configuring-h2-as-a-standalone-server/m-p/197775#M150905</guid>
      <dc:creator>swsw1</dc:creator>
      <dc:date>2014-10-23T14:57:00Z</dc:date>
    </item>
    <item>
      <title>Re: Error when configuring h2 as a standalone server</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/error-when-configuring-h2-as-a-standalone-server/m-p/197776#M150906</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Indeed - many people have been hit by it the last couple of days. We've updated the Activiti master code … but we will need a new release to roll it out.&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 24 Oct 2014 06:46:24 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/error-when-configuring-h2-as-a-standalone-server/m-p/197776#M150906</guid>
      <dc:creator>jbarrez</dc:creator>
      <dc:date>2014-10-24T06:46:24Z</dc:date>
    </item>
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