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how to use jbpm5 in web app
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created by <a href="http://community.jboss.org/people/sd1527907">losfa jon</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/634721#634721">View the full discussion</a>
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<div class="jive-rendered-content"><p>hi</p><p>i have a question when i use jbpm5 in web app</p><p>i user jboss5.1GA and mysql5.1 </p><p>i have config a database on jboss and i can use it on my app like it</p><p>     emf = Persistence.createEntityManagerFactory( "org.jbpm.persistence.jpa1" );</p><p>but when i </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>JPAKnowledgeService.newStatefulKnowledgeSession(kbase, config, env);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>i have a example </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>10:46:46,464 WARN  [JtaTransactionManager] Participating in existing JTA transaction, but no JTA TransactionManager or TransactionSychronizationRegistry available: </p><p>java.lang.NullPointerException</p><p> at org.drools.persistence.jta.JtaTransactionManager.registerTransactionSynchronization(JtaTransactionManager.java:221)</p><p> at org.drools.persistence.SingleSessionCommandService.registerRollbackSync(SingleSessionCommandService.java:333)</p><p> at org.drools.persistence.SingleSessionCommandService.<init>(SingleSessionCommandService.java:123)</p><p> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)</p><p> at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)</p><p> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)</p><p> at java.lang.reflect.Constructor.newInstance(Constructor.java:513)</p><p> at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.buildCommanService(KnowledgeStoreServiceImpl.java:116)</p><p> at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newStatefulKnowledgeSession(KnowledgeStoreServiceImpl.java:54)</p><p> at org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:122)</p><p> at com.sample.test2.createKnowledgeSession(test2.java:168)</p><p> at action.TaskListAction.index(TaskListAction.java:51)</p><p> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p> at java.lang.reflect.Method.invoke(Method.java:597)</p><p> at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)</p><p> at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)</p><p> at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)</p><p> at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)</p><p> at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)</p><p> at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)</p><p> at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)</p><p> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)</p><p> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)</p><p> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:638)</p><p> at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:444)</p><p> at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:382)</p><p> at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:310)</p><p> at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1085)</p><p> at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:398)</p><p> at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:241)</p><p> at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)</p><p> at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)</p><p> at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)</p><p> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)</p><p> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)</p><p> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p> at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)</p><p> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)</p><p> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)</p><p> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</p><p> at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)</p><p> at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)</p><p> at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)</p><p> at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)</p><p> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)</p><p> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)</p><p> at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)</p><p> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)</p><p> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)</p><p> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)</p><p> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)</p><p> at java.lang.Thread.run(Thread.java:619)</p><p>10:46:47,229 WARN  [RequestProcessor] Unhandled Exception thrown: class java.lang.IllegalStateException</p><p>10:46:47,229 ERROR [[action]] Servlet.service() for servlet action threw exception</p><p>java.lang.NullPointerException</p><p> at org.drools.persistence.SingleSessionCommandService.<init>(SingleSessionCommandService.java:138)</p><p> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)</p><p> at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)</p><p> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)</p><p> at java.lang.reflect.Constructor.newInstance(Constructor.java:513)</p><p> at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.buildCommanService(KnowledgeStoreServiceImpl.java:116)</p><p> at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newStatefulKnowledgeSession(KnowledgeStoreServiceImpl.java:54)</p><p> at org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:122)</p><p> at com.sample.test2.createKnowledgeSession(test2.java:168)</p><p> at action.TaskListAction.index(TaskListAction.java:51)</p><p> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p> at java.lang.reflect.Method.invoke(Method.java:597)</p><p> at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)</p><p> at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)</p><p> at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)</p><p> at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)</p><p> at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)</p><p> at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)</p><p> at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)</p><p> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)</p><p> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)</p><p> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:638)</p><p> at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:444)</p><p> at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:382)</p><p> at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:310)</p><p> at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1085)</p><p> at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:398)</p><p> at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:241)</p><p> at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)</p><p> at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)</p><p> at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)</p><p> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)</p><p> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)</p><p> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p> at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)</p><p> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)</p><p> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)</p><p> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</p><p> at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)</p><p> at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)</p><p> at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)</p><p> at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)</p><p> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)</p><p> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)</p><p> at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)</p><p> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)</p><p> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)</p><p> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)</p><p> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)</p><p> at java.lang.Thread.run(Thread.java:619)</p><p>10:46:47,229 ERROR [[action]] Servlet.service() for servlet action threw exception</p><p>java.lang.NullPointerException</p><p> at org.drools.persistence.SingleSessionCommandService.<init>(SingleSessionCommandService.java:138)</p><p> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)</p><p> at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)</p><p> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)</p><p> at java.lang.reflect.Constructor.newInstance(Constructor.java:513)</p><p> at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.buildCommanService(KnowledgeStoreServiceImpl.java:116)</p><p> at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newStatefulKnowledgeSession(KnowledgeStoreServiceImpl.java:54)</p><p> at org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:122)</p><p> at com.sample.test2.createKnowledgeSession(test2.java:168)</p><p> at action.TaskListAction.index(TaskListAction.java:51)</p><p> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p> at java.lang.reflect.Method.invoke(Method.java:597)</p><p> at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)</p><p> at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)</p><p> at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)</p><p> at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)</p><p> at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)</p><p> at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)</p><p> at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)</p><p> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)</p><p> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)</p><p> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:638)</p><p> at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:444)</p><p> at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:382)</p><p> at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:310)</p><p> at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1085)</p><p> at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:398)</p><p> at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:241)</p><p> at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)</p><p> at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)</p><p> at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)</p><p> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)</p><p> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)</p><p> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p> at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)</p><p> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)</p><p> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)</p><p> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</p><p> at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)</p><p> at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)</p><p> at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)</p><p> at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)</p><p> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)</p><p> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)</p><p> at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)</p><p> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)</p><p> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)</p><p> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)</p><p> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)</p><p> at java.lang.Thread.run(Thread.java:619)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>if someone who know please help</p><p>thanks</p></div>
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