[jboss-user] [jBPM] - Cannot save process in web designer

[Tassya Frigieri]

Tassya Frigieri [https://community.jboss.org/people/tassya.frigieri] created the discussion

"Cannot save process in web designer"

To view the discussion, visit: https://community.jboss.org/message/795648#795648

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I've created a 4-lane process (only the modelling, no programming) and tried to save it afterwards. At this point I get an error saying "Unable to perform user action due to error(s). Validate your process before saving, and view server logs to see error details."
On the server logs I can see the following error:


12:28:10,849 ERROR [org.jbpm.designer.web.profile.impl.JbpmProfileImpl] (http-localhost-127.0.0.1-8080-26) null: java.lang.NullPointerException
     at org.jbpm.designer.bpmn2.impl.Bpmn2JsonMarshaller.marshallSequenceFlow(Bpmn2JsonMarshaller.java:2469) [classes:]
     at org.jbpm.designer.bpmn2.impl.Bpmn2JsonMarshaller.marshallFlowElement(Bpmn2JsonMarshaller.java:868) [classes:]
     at org.jbpm.designer.bpmn2.impl.Bpmn2JsonMarshaller.marshallProcess(Bpmn2JsonMarshaller.java:480) [classes:]
     at org.jbpm.designer.bpmn2.impl.Bpmn2JsonMarshaller.marshallDefinitions(Bpmn2JsonMarshaller.java:372) [classes:]
     at org.jbpm.designer.bpmn2.impl.Bpmn2JsonMarshaller.marshall(Bpmn2JsonMarshaller.java:208) [classes:]
     at org.jbpm.designer.web.profile.impl.JbpmProfileImpl$2.parseModel(JbpmProfileImpl.java:285) [classes:]
     at org.jbpm.designer.web.server.UUIDBasedRepositoryServlet.doPost(UUIDBasedRepositoryServlet.java:148) [classes:]
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final]
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final]
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329) [jbossweb-7.0.13.Final.jar:]
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]
     at org.jbpm.designer.web.filter.impl.PluggableFilter.doFilter(PluggableFilter.java:70) [classes:]
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.13.Final.jar:]
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.13.Final.jar:]
     at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final]
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) [jbossweb-7.0.13.Final.jar:]
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.13.Final.jar:]
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.13.Final.jar:]
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368) [jbossweb-7.0.13.Final.jar:]
     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [jbossweb-7.0.13.Final.jar:]
     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671) [jbossweb-7.0.13.Final.jar:]
     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930) [jbossweb-7.0.13.Final.jar:]
     at java.lang.Thread.run(Unknown Source) [rt.jar:1.7.0_09]

 I am using JBPM 5.4.0 Final and google Chrome. Is there anything that needs to be done before saving the process?
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