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NPE in Payload2XML.convert for console "instance data"
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created by <a href="http://community.jboss.org/people/gubespam">M M</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/547906#547906">View the full discussion</a>
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<div class="jive-rendered-content"><p>Has anyone seen this before? It happens sometimes, sometimes not, when I click "Instance Data" in the console.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre style="font-family: 'courier new',courier; font-size: small;">org.jboss.resteasy.spi.UnhandledException: java.lang.NullPointerException<br/>     org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:319)<br/>     org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:230)<br/>     org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:206)<br/>     org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:360)<br/>     org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:173)<br/>     org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:93)<br/>     org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:68)<br/>     javax.servlet.http.HttpServlet.service(HttpServlet.java:717)<br/>     org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)<br/>     org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)<br/></pre><p style="font-family: Tahoma,Arial,sans-serif; background-color: white; color: black; font-size: 12px;"><strong style="font-family: Tahoma,Arial,sans-serif; color: white; background-color: #525d76;">root cause</strong></p><pre style="font-family: 'courier new',courier; font-size: small;">java.lang.NullPointerException<br/>     org.jboss.bpm.console.server.util.Payload2XML.convert(Payload2XML.java:57)<br/>     org.jboss.bpm.console.server.ProcessMgmtFacade.getInstanceData(ProcessMgmtFacade.java:209)<br/>     sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br/>     sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)<br/>     sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)<br/>     java.lang.reflect.Method.invoke(Method.java:597)<br/>     org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:117)<br/>     org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:260)<br/>     org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:232)<br/>     org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:166)<br/>     org.jboss.resteasy.core.DispatcherUtilities.getJaxrsResponse(DispatcherUtilities.java:142)<br/>     org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)<br/>     org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:173)<br/>     org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:93)<br/>     org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:68)<br/>     javax.servlet.http.HttpServlet.service(HttpServlet.java:717)<br/>     org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)<br/>     org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)</pre></div>
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