[jboss-user] [jBPM] - NPE in Payload2XML.convert for console "instance data"

[M M]

M M [http://community.jboss.org/people/gubespam] created the discussion

"NPE in Payload2XML.convert for console "instance data""

To view the discussion, visit: http://community.jboss.org/message/547906#547906

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Has anyone seen this before? It happens sometimes, sometimes not, when I click "Instance Data" in the console.

org.jboss.resteasy.spi.UnhandledException: java.lang.NullPointerException
     org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:319)
     org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:230)
     org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:206)
     org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:360)
     org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:173)
     org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:93)
     org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:68)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
     org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)
     org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

*root cause*
java.lang.NullPointerException
     org.jboss.bpm.console.server.util.Payload2XML.convert(Payload2XML.java:57)
     org.jboss.bpm.console.server.ProcessMgmtFacade.getInstanceData(ProcessMgmtFacade.java:209)
     sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     java.lang.reflect.Method.invoke(Method.java:597)
     org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:117)
     org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:260)
     org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:232)
     org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:166)
     org.jboss.resteasy.core.DispatcherUtilities.getJaxrsResponse(DispatcherUtilities.java:142)
     org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
     org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:173)
     org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:93)
     org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:68)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
     org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)
     org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

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