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MapBasedPersistenceTest issue
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created by <a href="http://community.jboss.org/people/dondragon2">Donald Walters</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/633511#633511">View the full discussion</a>
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<div class="jive-rendered-content"><p>I am tring to use the MapPersistence instead of a database underlying the JPAKnowledgeService but I keep getting an exception. I have done the setup according to the <a class="jive-link-anchor-small" name="MapBasedPersistenceTest">MapBasedPersistenceTest</a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>What could I be doing wrong here?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>StatefulKnowledgeSession ksession = newStatefulKnowledgeSession();</p><p>WorkflowProcessInstance processInstance = (WorkflowProcessInstance) ksession.startProcess("ServiceProcess", params); //<==exception</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public static StatefulKnowledgeSession newStatefulKnowledgeSession() {</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();</p><p>        kbuilder.add(ResourceFactory.newClassPathResource("workflowtest/MyProcess.xml"), ResourceType.BPMN2);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>        KnowledgeBase kbase = kbuilder.newKnowledgeBase();</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>        EnvironmentBuilder envBuilder = new KnowledgeSessionStorageEnvironmentBuilder(storage);</p><p>        Environment env = KnowledgeBaseFactory.newEnvironment();</p><p>        env.set(EnvironmentName.TRANSACTION_MANAGER, envBuilder.getTransactionManager());</p><p>        env.set(EnvironmentName.PERSISTENCE_CONTEXT_MANAGER, envBuilder.getPersistenceContextManager());</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>        return JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);</p><p>}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>===================================================</p><p>java.lang.ClassCastException: org.drools.persistence.map.MapPersistenceContextManager cannot be cast to org.jbpm.persistence.ProcessPersistenceContextManager</p><p>          at org.jbpm.persistence.processinstance.JPAProcessInstanceManager.addProcessInstance(JPAProcessInstanceManager.java:32)</p><p>          at org.jbpm.process.instance.AbstractProcessInstanceFactory.createProcessInstance(AbstractProcessInstanceFactory.java:36)</p><p>          at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:168)</p><p>          at org.jbpm.process.instance.ProcessRuntimeImpl.createProcessInstance(ProcessRuntimeImpl.java:140)</p><p>          at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:121)</p><p>          at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1095)</p><p>          at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:306)</p><p>          at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:119)</p><p>          at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:38)</p><p>          at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:292)</p><p>          at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:222)</p></div>
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