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Cannot create resource instance/Could not commit session
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created by <a href="https://community.jboss.org/people/gigazhang">gigazhang</a> in <i>jBPM Development</i> - <a href="https://community.jboss.org/message/738246#738246">View the full discussion</a>
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<div class="jive-rendered-content"><p>2012-05-28 18:55:12,796 DEBUG [org.drools.persistence.jta.JtaTransactionManager] - <No UserTransaction found at JNDI loc</p><p>ation [java:comp/UserTransaction]></p><p>javax.naming.NamingException: Cannot create resource instance</p><p>        at org.apache.naming.factory.TransactionFactory.getObjectInstance(TransactionFactory.java:113)</p><p>        at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304)</p><p>        at org.apache.naming.NamingContext.lookup(NamingContext.java:793)</p><p>        at org.apache.naming.NamingContext.lookup(NamingContext.java:140)</p><p>        at org.apache.naming.NamingContext.lookup(NamingContext.java:781)</p><p>        at org.apache.naming.NamingContext.lookup(NamingContext.java:153)</p><p>        at org.apache.naming.SelectorContext.lookup(SelectorContext.java:152)</p><p>        at javax.naming.InitialContext.lookup(InitialContext.java:392)</p><p>        at org.drools.persistence.jta.JtaTransactionManager.findUserTransaction(JtaTransactionManager.java:119)</p><p>        at org.drools.persistence.jta.JtaTransactionManager.<init>(JtaTransactionManager.java:69)</p><p>        at org.drools.persistence.SingleSessionCommandService.initTransactionManager(SingleSessionCommandService.java:28</p><p>9)</p><p>        at org.drools.persistence.SingleSessionCommandService.<init>(SingleSessionCommandService.java:115)</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.buildCommandService(KnowledgeStoreServiceImpl.java:129)</p><p>        at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newStatefulKnowledgeSession(KnowledgeStoreServiceImpl.ja</p><p>va:67)</p><p>        at org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:122)</p><p>        at com.baison.demo.jbpm.commons.JbpmHelper.createSession(JbpmHelper.java:306)</p><p>        at com.baison.demo.jbpm.commons.JbpmHelper$$FastClassByCGLIB$$70c70670.invoke(<generated>)</p><p>        at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191)</p><p>        at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:68</p><p>9)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)</p><p>        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>        at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>        at com.baison.demo.jbpm.commons.JbpmHelper$$EnhancerByCGLIB$$b1fed0c2.createSession(<generated>)</p><p>        at com.baison.demo.jbpm.service.TaskProcessServiceImpl.startProcess(TaskProcessServiceImpl.java:86)</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.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:</p><p>183)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)</p><p>        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)</p><p>        at $Proxy45.startProcess(Unknown Source)</p><p>        at com.baison.demo.jbpm.controller.TaskProcessController.getUserCommitProcess(TaskProcessController.java:88)</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.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:212)</p><p>        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:12</p><p>6)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletIn</p><p>vocableHandlerMethod.java:96)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(Reques</p><p>tMappingHandlerAdapter.java:617)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMapp</p><p>ingHandlerAdapter.java:578)</p><p>        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.j</p><p>ava:80)</p><p>        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900)</p><p>        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:827)</p><p>        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)</p><p>        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)</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.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)</p><p>        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)</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:233)</p><p>        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</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.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p>        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)</p><p>        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)</p><p>        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)</p><p>        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)</p><p>        at java.lang.Thread.run(Thread.java:662)</p><p>2012-05-28 18:55:12,822 DEBUG [org.drools.persistence.jta.JtaTransactionManager] - <No JTA TransactionSynchronizationReg</p><p>istry found at default JNDI location [java:comp/TransactionSynchronizationRegistry]></p><p>javax.naming.NameNotFoundException: Name TransactionSynchronizationRegistry is not bound in this Context</p><p>        at org.apache.naming.NamingContext.lookup(NamingContext.java:770)</p><p>        at org.apache.naming.NamingContext.lookup(NamingContext.java:140)</p><p>        at org.apache.naming.NamingContext.lookup(NamingContext.java:781)</p><p>        at org.apache.naming.NamingContext.lookup(NamingContext.java:153)</p><p>        at org.apache.naming.SelectorContext.lookup(SelectorContext.java:152)</p><p>        at javax.naming.InitialContext.lookup(InitialContext.java:392)</p><p>        at org.drools.persistence.jta.JtaTransactionManager.findTransactionSynchronizationRegistry(JtaTransactionManager</p><p>.java:141)</p><p>        at org.drools.persistence.jta.JtaTransactionManager.<init>(JtaTransactionManager.java:77)</p><p>        at org.drools.persistence.SingleSessionCommandService.initTransactionManager(SingleSessionCommandService.java:28</p><p>9)</p><p>        at org.drools.persistence.SingleSessionCommandService.<init>(SingleSessionCommandService.java:115)</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.buildCommandService(KnowledgeStoreServiceImpl.java:129)</p><p>        at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newStatefulKnowledgeSession(KnowledgeStoreServiceImpl.ja</p><p>va:67)</p><p>        at org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:122)</p><p>        at com.baison.demo.jbpm.commons.JbpmHelper.createSession(JbpmHelper.java:306)</p><p>        at com.baison.demo.jbpm.commons.JbpmHelper$$FastClassByCGLIB$$70c70670.invoke(<generated>)</p><p>        at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191)</p><p>        at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:68</p><p>9)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)</p><p>        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>        at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>        at com.baison.demo.jbpm.commons.JbpmHelper$$EnhancerByCGLIB$$b1fed0c2.createSession(<generated>)</p><p>        at com.baison.demo.jbpm.service.TaskProcessServiceImpl.startProcess(TaskProcessServiceImpl.java:86)</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.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:</p><p>183)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)</p><p>        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)</p><p>        at $Proxy45.startProcess(Unknown Source)</p><p>        at com.baison.demo.jbpm.controller.TaskProcessController.getUserCommitProcess(TaskProcessController.java:88)</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.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:212)</p><p>        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:12</p><p>6)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletIn</p><p>vocableHandlerMethod.java:96)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(Reques</p><p>tMappingHandlerAdapter.java:617)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMapp</p><p>ingHandlerAdapter.java:578)</p><p>        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.j</p><p>ava:80)</p><p>        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900)</p><p>        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:827)</p><p>        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)</p><p>        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)</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.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)</p><p>        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)</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:233)</p><p>        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</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.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p>        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)</p><p>        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)</p><p>        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)</p><p>        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)</p><p>        at java.lang.Thread.run(Thread.java:662)</p><p>2012-05-28 18:55:12,983 DEBUG [org.hibernate.impl.SessionImpl] - <opened session at timestamp: 13382025129></p><p>2012-05-28 18:55:12,984 DEBUG [org.hibernate.ejb.AbstractEntityManagerImpl] - <Looking for a JTA transaction to join></p><p>2012-05-28 18:55:12,987 DEBUG [bitronix.tm.BitronixTransaction] - <registering synchronization org.hibernate.transaction</p><p>.CacheSynchronization></p><p>2012-05-28 18:55:12,988 DEBUG [org.hibernate.jdbc.JDBCContext] - <successfully registered Synchronization></p><p>2012-05-28 18:55:12,989 DEBUG [bitronix.tm.BitronixTransaction] - <registering synchronization org.hibernate.ejb.Abstrac</p><p>tEntityManagerImpl$1@3c5fd5></p><p>2012-05-28 18:55:12,990 ERROR [org.drools.persistence.SingleSessionCommandService] - <Could not commit session></p><p>java.lang.NullPointerException</p><p>        at org.drools.persistence.jta.JtaTransactionManager.getStatus(JtaTransactionManager.java:205)</p><p>        at org.drools.persistence.jta.JtaTransactionManager.begin(JtaTransactionManager.java:163)</p><p>        at org.drools.persistence.SingleSessionCommandService.<init>(SingleSessionCommandService.java:147)</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.buildCommandService(KnowledgeStoreServiceImpl.java:129)</p><p>        at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newStatefulKnowledgeSession(KnowledgeStoreServiceImpl.ja</p><p>va:67)</p><p>        at org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:122)</p><p>        at com.baison.demo.jbpm.commons.JbpmHelper.createSession(JbpmHelper.java:306)</p><p>        at com.baison.demo.jbpm.commons.JbpmHelper$$FastClassByCGLIB$$70c70670.invoke(<generated>)</p><p>        at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191)</p><p>        at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:68</p><p>9)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)</p><p>        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>        at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>        at com.baison.demo.jbpm.commons.JbpmHelper$$EnhancerByCGLIB$$b1fed0c2.createSession(<generated>)</p><p>        at com.baison.demo.jbpm.service.TaskProcessServiceImpl.startProcess(TaskProcessServiceImpl.java:86)</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.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:</p><p>183)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)</p><p>        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)</p><p>        at $Proxy45.startProcess(Unknown Source)</p><p>        at com.baison.demo.jbpm.controller.TaskProcessController.getUserCommitProcess(TaskProcessController.java:88)</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.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:212)</p><p>        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:12</p><p>6)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletIn</p><p>vocableHandlerMethod.java:96)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(Reques</p><p>tMappingHandlerAdapter.java:617)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMapp</p><p>ingHandlerAdapter.java:578)</p><p>        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.j</p><p>ava:80)</p><p>        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900)</p><p>        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:827)</p><p>        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)</p><p>        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)</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.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)</p><p>        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)</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:233)</p><p>        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</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.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p>        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)</p><p>        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)</p><p>        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)</p><p>        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)</p><p>        at java.lang.Thread.run(Thread.java:662)</p><p>2012-05-28 18:55:13,003 WARN [org.drools.persistence.jta.JtaTransactionManager] - <Unable to rollback transaction></p><p>java.lang.NullPointerException</p><p>        at org.drools.persistence.jta.JtaTransactionManager.rollback(JtaTransactionManager.java:193)</p><p>        at org.drools.persistence.SingleSessionCommandService.rollbackTransaction(SingleSessionCommandService.java:369)</p><p>        at org.drools.persistence.SingleSessionCommandService.<init>(SingleSessionCommandService.java:156)</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.buildCommandService(KnowledgeStoreServiceImpl.java:129)</p><p>        at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newStatefulKnowledgeSession(KnowledgeStoreServiceImpl.ja</p><p>va:67)</p><p>        at org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:122)</p><p>        at com.baison.demo.jbpm.commons.JbpmHelper.createSession(JbpmHelper.java:306)</p><p>        at com.baison.demo.jbpm.commons.JbpmHelper$$FastClassByCGLIB$$70c70670.invoke(<generated>)</p><p>        at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191)</p><p>        at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:68</p><p>9)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)</p><p>        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>        at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>        at com.baison.demo.jbpm.commons.JbpmHelper$$EnhancerByCGLIB$$b1fed0c2.createSession(<generated>)</p><p>        at com.baison.demo.jbpm.service.TaskProcessServiceImpl.startProcess(TaskProcessServiceImpl.java:86)</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.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:</p><p>183)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)</p><p>        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)</p><p>        at $Proxy45.startProcess(Unknown Source)</p><p>        at com.baison.demo.jbpm.controller.TaskProcessController.getUserCommitProcess(TaskProcessController.java:88)</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.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:212)</p><p>        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:12</p><p>6)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletIn</p><p>vocableHandlerMethod.java:96)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(Reques</p><p>tMappingHandlerAdapter.java:617)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMapp</p><p>ingHandlerAdapter.java:578)</p><p>        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.j</p><p>ava:80)</p><p>        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900)</p><p>        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:827)</p><p>        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)</p><p>        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)</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.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)</p><p>        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)</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:233)</p><p>        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</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.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p>        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)</p><p>        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)</p><p>        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)</p><p>        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)</p><p>        at java.lang.Thread.run(Thread.java:662)</p><p>2012-05-28 18:55:13,018 ERROR [org.drools.persistence.SingleSessionCommandService] - <Could not rollback></p><p>java.lang.RuntimeException: Unable to rollback transaction</p><p>        at org.drools.persistence.jta.JtaTransactionManager.rollback(JtaTransactionManager.java:197)</p><p>        at org.drools.persistence.SingleSessionCommandService.rollbackTransaction(SingleSessionCommandService.java:369)</p><p>        at org.drools.persistence.SingleSessionCommandService.<init>(SingleSessionCommandService.java:156)</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.buildCommandService(KnowledgeStoreServiceImpl.java:129)</p><p>        at org.drools.persistence.jpa.KnowledgeStoreServiceImpl.newStatefulKnowledgeSession(KnowledgeStoreServiceImpl.ja</p><p>va:67)</p><p>        at org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:122)</p><p>        at com.baison.demo.jbpm.commons.JbpmHelper.createSession(JbpmHelper.java:306)</p><p>        at com.baison.demo.jbpm.commons.JbpmHelper$$FastClassByCGLIB$$70c70670.invoke(<generated>)</p><p>        at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191)</p><p>        at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:68</p><p>9)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)</p><p>        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>        at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>        at com.baison.demo.jbpm.commons.JbpmHelper$$EnhancerByCGLIB$$b1fed0c2.createSession(<generated>)</p><p>        at com.baison.demo.jbpm.service.TaskProcessServiceImpl.startProcess(TaskProcessServiceImpl.java:86)</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.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:</p><p>183)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)</p><p>        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)</p><p>        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)</p><p>        at $Proxy45.startProcess(Unknown Source)</p><p>        at com.baison.demo.jbpm.controller.TaskProcessController.getUserCommitProcess(TaskProcessController.java:88)</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.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:212)</p><p>        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:12</p><p>6)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletIn</p><p>vocableHandlerMethod.java:96)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(Reques</p><p>tMappingHandlerAdapter.java:617)</p><p>        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMapp</p><p>ingHandlerAdapter.java:578)</p><p>        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.j</p><p>ava:80)</p><p>        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900)</p><p>        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:827)</p><p>        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)</p><p>        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)</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.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)</p><p>        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)</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:233)</p><p>        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</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.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p>        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)</p><p>        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)</p><p>        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)</p><p>        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)</p><p>        at java.lang.Thread.run(Thread.java:662)</p><p>Caused by: java.lang.NullPointerException</p><p>        at org.drools.persistence.jta.JtaTransactionManager.rollback(JtaTransactionManager.java:193)</p><p>        ... 63 more</p><p>2012-05-28 18:55:15,926 INFO [org.apache.mina.filter.logging.LoggingFilter] - <IDLE></p></div>
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