[jboss-dev-forums] [jBPM Development] - Session was not initialized error while running jBPM on Tomcat 7

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"Session was not initialized error while running jBPM on Tomcat 7"

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Hi,
I am trying to install jBPM 5.4 on Tomcat 7 by following the guide mentioned in  https://community.jboss.org/people/bpmn2user/blog/2011/01/21/test https://community.jboss.org/people/bpmn2user/blog/2011/01/21/test link.

I am able to see the login page. I have given the login credentials as krisv/krisv

I am getting below exception when click on the login button.

please help me on this. I am new to jBPM

* URL: ' http://localhost:8080/gwt-console-server/rs/tasks/krisv http://localhost:8080/gwt-console-server/rs/tasks/krisv' 
* Action: 'org.jboss.bpm.console.client.task.LoadTasksAction' 
* Exception: 'class com.google.gwt.http.client.RequestException'
HTTP 500:  
h1. HTTP Status 500 - java.lang.RuntimeException: Session was not initialized, check previous errors in log
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*type* Exception report
*message* java.lang.RuntimeException: Session was not initialized, check previous errors in log
*description* The server encountered an internal error that prevented it from fulfilling this request.
*exception* 
org.jboss.resteasy.spi.UnhandledException: java.lang.RuntimeException: Session was not initialized, check previous errors in log  org.jboss.resteasy.core.SynchronousDispatcher.unwrapException(SynchronousDispatcher.java:345)  org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:321)  org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:214)  org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:190)  org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:534)  org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:496)  org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)  org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)  org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)  org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)  javax.servlet.http.HttpServlet.service(HttpServlet.java:728)  org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)  

*root cause* 
java.lang.RuntimeException: Session was not initialized, check previous errors in log  org.jbpm.integration.console.StatefulKnowledgeSessionUtil.getStatefulKnowledgeSession(StatefulKnowledgeSessionUtil.java:89)  org.jbpm.integration.console.SessionInitializer.<init>(SessionInitializer.java:25)  org.jbpm.integration.console.TaskManagement.<init>(TaskManagement.java:52)  org.jbpm.integration.console.ManagementFactory.createTaskManagement(ManagementFactory.java:26)  org.jbpm.integration.console.ManagementFactory.createTaskManagement(ManagementFactory.java:19)
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