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    <title>topic Process fails to draw in published process definitions in Alfresco Archive</title>
    <link>https://connect.hyland.com/t5/alfresco-archive/process-fails-to-draw-in-published-process-definitions/m-p/205467#M158597</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Hello all,&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;I've imported the attached BPMN process into Activiti Explorer (5.17.0) and published it. On publish, there links are generated to the following two resources:&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Glass Insight project process.bpmn20.xml&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Glass Insight project process.giProjectProcess.png&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;The PNG looks fine - I see a process flow in line with what I see in Activiti Designer in Eclipse. However, when I go to 'Published process definitions', no diagram is shown for this process. I have Activiti running locally in tomcat (7.0.57), and in localhost.2014-12-04.log, I see the following stack trace. Why is this just happening for this process, and not my other processes?&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;This happens systematically for this one process.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Thanks!&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Duncan.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;—-&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;dez 04, 2014 4:05:59 PM org.apache.catalina.core.StandardWrapperValve invoke&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;GRAVE: Servlet.service() for servlet [dispatcher] in context with path [/activiti-webapp-explorer2-5.17.0-SNAPSHOT] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;java.lang.NullPointerException&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.rest.diagram.services.BaseProcessDefinitionDiagramLayoutResource.getActivity(BaseProcessDefinitionDiagramLayoutResource.java:449)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.rest.diagram.services.BaseProcessDefinitionDiagramLayoutResource.getDiagramNode(BaseProcessDefinitionDiagramLayoutResource.java:211)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.rest.diagram.services.ProcessDefinitionDiagramLayoutResource.getDiagram(ProcessDefinitionDiagramLayoutResource.java:28)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&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;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&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;at java.lang.reflect.Method.invoke(Method.java:483)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:689)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:938)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.activiti.explorer.servlet.JsonpCallbackFilter.doFilter(JsonpCallbackFilter.java:40)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&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;at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2466)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2455)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.Thread.run(Thread.java:745)&lt;/SPAN&gt;&lt;BR /&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Thu, 04 Dec 2014 16:21:37 GMT</pubDate>
    <dc:creator>asinoladro</dc:creator>
    <dc:date>2014-12-04T16:21:37Z</dc:date>
    <item>
      <title>Process fails to draw in published process definitions</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/process-fails-to-draw-in-published-process-definitions/m-p/205467#M158597</link>
      <description>Hello all,I've imported the attached BPMN process into Activiti Explorer (5.17.0) and published it. On publish, there links are generated to the following two resources:Glass Insight project process.bpmn20.xmlGlass Insight project process.giProjectProcess.pngThe PNG looks fine - I see a process flow</description>
      <pubDate>Thu, 04 Dec 2014 16:21:37 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/process-fails-to-draw-in-published-process-definitions/m-p/205467#M158597</guid>
      <dc:creator>asinoladro</dc:creator>
      <dc:date>2014-12-04T16:21:37Z</dc:date>
    </item>
    <item>
      <title>Re: Process fails to draw in published process definitions</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/process-fails-to-draw-in-published-process-definitions/m-p/205468#M158598</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Hi&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Seems like a bug in &lt;/SPAN&gt;&lt;CODE&gt;BaseProcessDefinitionDiagramLayoutResource&lt;/CODE&gt;&lt;SPAN&gt;. Did you try to fix it?&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Regards&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Martin&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 05 Dec 2014 09:53:52 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/process-fails-to-draw-in-published-process-definitions/m-p/205468#M158598</guid>
      <dc:creator>martin_grofcik</dc:creator>
      <dc:date>2014-12-05T09:53:52Z</dc:date>
    </item>
    <item>
      <title>Re: Process fails to draw in published process definitions</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/process-fails-to-draw-in-published-process-definitions/m-p/205469#M158599</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;I'm afraid I'm just starting out with Activiti and don't have a full grasp of the codebase, so would struggle to provide a fix.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;I've found a few other issues too though - is it possible for me to get access to Activiti's JIRA so that I can report bugs?&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 05 Dec 2014 11:05:35 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/process-fails-to-draw-in-published-process-definitions/m-p/205469#M158599</guid>
      <dc:creator>asinoladro</dc:creator>
      <dc:date>2014-12-05T11:05:35Z</dc:date>
    </item>
    <item>
      <title>Re: Process fails to draw in published process definitions</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/process-fails-to-draw-in-published-process-definitions/m-p/205470#M158600</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;I've worked out the issue through trial and error. Activiti Explorer doesn't draw a workflow if it contains a CallTask whose called element is a workflow which is incomplete/in an error state. The workflow I attached has a CallTask referencing flow ReportProcess, which had an ExclusiveGateway without conditions defined.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;I think this is best captured as an error when you attempt to publish. I've got a set of BPMN flows showing the issue - would be great to capture this in JIRA if I can have access. Further down the line when I'm more confident with Activiti I may attempt a fix.&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 05 Dec 2014 14:28:41 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/process-fails-to-draw-in-published-process-definitions/m-p/205470#M158600</guid>
      <dc:creator>asinoladro</dc:creator>
      <dc:date>2014-12-05T14:28:41Z</dc:date>
    </item>
    <item>
      <title>Re: Process fails to draw in published process definitions</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/process-fails-to-draw-in-published-process-definitions/m-p/205471#M158601</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;…It's simpler than I made out. If the child workflow hasn't been imported/defined, any workflow that references it via a CallTask won't draw.&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 05 Dec 2014 15:59:53 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/process-fails-to-draw-in-published-process-definitions/m-p/205471#M158601</guid>
      <dc:creator>asinoladro</dc:creator>
      <dc:date>2014-12-05T15:59:53Z</dc:date>
    </item>
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