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Problem on process instance data
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modified by <a href="http://community.jboss.org/people/biaggi">Jose Manuel g</a> in <i>jBPM</i> - <a href="http://community.jboss.org/docs/DOC-15102">View the full document</a>
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<div class="jive-rendered-content"><p>This is my first comment at the community, I just hope I've writted in the correct place</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I've installed jbpm using ant demo.setup.tomcat, after the installation all seems to work correctly, but when I try to process instance data i receive this error</p><p><br/>Any suggestion?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span>    * URL: '</span><a class="jive-link-external-small" href="http://localhost:8080/gwt-console-server/rs/process/instance/AsyncActivity.10001/dataset" target="_blank">http://localhost:8080/gwt-console-server/rs/process/instance/AsyncActivity.10001/dataset</a><span>'</span><br/>    * Action: 'org.jboss.bpm.console.client.process.UpdateInstanceDataAction'<br/>    * Exception: 'class com.google.gwt.http.client.RequestException'</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>HTTP 500:<br/>Estado HTTP 500 -</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>type Informe de Excepción</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>mensaje</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>descripción El servidor encontró un error interno () que hizo que no pudiera rellenar este requerimiento.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>excepción</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>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)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>causa raíz</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>java.lang.NullPointerException<br/>     org.jbpm.pvm.internal.cmd.GetExecutionVariableNamesCmd.execute(GetExecutionVariableNamesCmd.java:51)<br/>     org.jbpm.pvm.internal.cmd.GetExecutionVariableNamesCmd.execute(GetExecutionVariableNamesCmd.java:35)<br/>     org.jbpm.pvm.internal.svc.DefaultCommandService.execute(DefaultCommandService.java:42)<br/>     org.jbpm.pvm.internal.tx.StandardTransactionInterceptor.execute(StandardTransactionInterceptor.java:54)<br/>     org.jbpm.pvm.internal.svc.EnvironmentInterceptor.executeInNewEnvironment(EnvironmentInterceptor.java:53)<br/>     org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:40)<br/>     org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:55)<br/>     org.jbpm.pvm.internal.svc.SkipInterceptor.execute(SkipInterceptor.java:43)<br/>     org.jbpm.pvm.internal.svc.ExecutionServiceImpl.getVariableNames(ExecutionServiceImpl.java:135)<br/>     org.jbpm.integration.console.ProcessManagementImpl.getInstanceData(ProcessManagementImpl.java:134)<br/>     org.jboss.bpm.console.server.ProcessMgmtFacade.getInstanceData(ProcessMgmtFacade.java:207)<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)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>nota La traza completa de la causa de este error se encuentra en los archivos de diario de Apache Tomcat/6.0.26.<br/>Apache Tomcat/6.0.26</p></div>
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