gigazhang [https://community.jboss.org/people/gigazhang] created the discussion "Unknown entity: org.jbpm.persistence.processinstance.ProcessInstanceInfo" To view the discussion, visit: https://community.jboss.org/message/742609#742609 -------------------------------------------------------------- when ksession.startProcess(id, data); there throw exceptions on consle: 2012-06-19 16:47:59,278 ERROR [org.drools.persistence.SingleSessionCommandService] - <Could not commit session> java.lang.IllegalArgumentException: Unknown entity: org.jbpm.persistence.processinstance.ProcessInstanceInfo     at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:223)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:601)     at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:365)     at $Proxy33.persist(Unknown Source)     at org.jbpm.persistence.JpaProcessPersistenceContext.persist(JpaProcessPersistenceContext.java:22)     at org.jbpm.persistence.processinstance.JPAProcessInstanceManager.addProcessInstance(JPAProcessInstanceManager.java:49)     at org.jbpm.process.instance.AbstractProcessInstanceFactory.createProcessInstance(AbstractProcessInstanceFactory.java:36)     at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:182)     at org.jbpm.process.instance.ProcessRuntimeImpl.createProcessInstance(ProcessRuntimeImpl.java:154)     at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:135)     at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1082)     at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:320)     at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:120)     at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:39)     at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)     at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:367)     at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:223)     at com.baison.demo.jbpm.service.TaskProcessServiceImpl.saveProcess(TaskProcessServiceImpl.java:81)     at com.baison.demo.jbpm.service.TaskProcessServiceImpl.commitProcess(TaskProcessServiceImpl.java:114)     at com.baison.demo.jbpm.controller.TaskProcessController.getUserCommitProcess(TaskProcessController.java:80)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:601)     at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:212)     at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)     at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)     at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900)     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:827)     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)     at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)     at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)     at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)     at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)     at java.lang.Thread.run(Thread.java:722) persit -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/742609#742609] Start a new discussion in jBPM Development at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]