NullPointerException in jbpm-console when retrieving process definitions from guvnor

After creating a process in Guvnor designer, validating it, creating forms and image etc. I build the package. I login to jbpm-console with krisv login and pass. Than I go to Process Overview. error popup comes with exception. If it doesn't then click refresh button and it should popup. Project build localy from git. compiled bpm-console with new version 2.3.3-SNAPSHOT, compiled jbpm project and flow builder projects. Used installer from this build to install demo. before installing demo I put bin,human-task, gwt-console and form-builder war/zip-s in installator/lib directory. then ant install.demo.noeclipse and ant start.demo.noeclipse. So the jbpm version is 5.4.0-SNAPSHOT Exception: java.lang.NullPointerException org.jbpm.integration.console.StatefulKnowledgeSessionUtil.checkPackagesFromGuvnor(StatefulKnowledgeSessionUtil.java:447) org.jbpm.integration.console.CommandDelegate.getProcesses(CommandDelegate.java:67) org.jbpm.integration.console.ProcessManagement.getProcessDefinitions(ProcessManagement.java:42) org.jboss.bpm.console.server.ProcessMgmtFacade.getDefinitionsJSON(ProcessMgmtFacade.java:125)