[jboss-user] [jBPM] - I am getting Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.jbpm.task.Task#1]

Vladimir Stankovic do-not-reply at jboss.com
Tue Jan 22 10:51:00 EST 2013


Vladimir Stankovic [https://community.jboss.org/people/svlada] created the discussion

"I am getting Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.jbpm.task.Task#1]"

To view the discussion, visit: https://community.jboss.org/message/793555#793555

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I am trying to create simple process and register simple Human Task handler.

Exception occurs when I try to start process. Any idea what problem could be?

All required users => "Administrator" and "svlada" are already in database.


Here is my source code
{code}
// Prepare input process params
Map<String, Object> params = new HashMap<String, Object>();
params.put("income", 150);
params.put("user_id", "svlada");


// Create Task Session - responsible for adding new users to db
TaskServiceSession taskServiceSession = this.getSpringTaskSessionFactory().createTaskServiceSession();
addUsersAndGroups(taskServiceSession);


MockUserInfo userInfo = new MockUserInfo();


// Start and create new process instance
ProcessInstance processInstance = ksession.createProcessInstance("com.sample1.bpmn", params);


// Register human task handler
LocalHTWorkItemHandler taskHandler = new LocalHTWorkItemHandler(getLocalTaskService(), getKsession());
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", taskHandler);




// Start selected process instance
System.out.println("State before: " + processInstance.getState());
ksession.startProcessInstance(processInstance.getId());
System.out.println("State after: " + processInstance.getState());


// Get Tasks assigned to user
List<TaskSummary> tasks = getLocalTaskService().getTasksAssignedAsPotentialOwner("svlada", "en-UK");
{code}


Here is my stacktrace
{code}
Hibernate: insert into WorkItemInfo (creationDate, name, processInstanceId, state, OPTLOCK, workItemByteArray) values (?, ?, ?, ?, ?, ?)
Hibernate: insert into Task (archived, allowedToDelegate, taskInitiator_id, priority, activationTime, actualOwner_id, completedOn, createdBy_id, createdOn, documentAccessType, documentContentId, documentType, expirationTime, faultAccessType, faultContentId, faultName, faultType, outputAccessType, outputContentId, outputType, parentId, previousStatus, processId, processInstanceId, processSessionId, skipable, status, workItemId, OPTLOCK) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
Hibernate: insert into I18NText (language, shortText, text) values (?, ?, ?)
Hibernate: insert into I18NText (language, shortText, text) values (?, ?, ?)
Hibernate: insert into I18NText (language, shortText, text) values (?, ?, ?)
Hibernate: insert into Content (content) values (?)
Hibernate: update SessionInfo set lastModificationDate=?, rulesByteArray=?, startDate=?, OPTLOCK=? where id=? and OPTLOCK=?
Hibernate: update ProcessInstanceInfo set id=?, lastModificationDate=?, lastReadDate=?, processId=?, processInstanceByteArray=?, startDate=?, state=?, OPTLOCK=? where InstanceId=? and OPTLOCK=?
Hibernate: update WorkItemInfo set creationDate=?, name=?, processInstanceId=?, state=?, OPTLOCK=?, workItemByteArray=? where workItemId=? and OPTLOCK=?
Hibernate: update Task set archived=?, allowedToDelegate=?, taskInitiator_id=?, priority=?, activationTime=?, actualOwner_id=?, completedOn=?, createdBy_id=?, createdOn=?, documentAccessType=?, documentContentId=?, documentType=?, expirationTime=?, faultAccessType=?, faultContentId=?, faultName=?, faultType=?, outputAccessType=?, outputContentId=?, outputType=?, parentId=?, previousStatus=?, processId=?, processInstanceId=?, processSessionId=?, skipable=?, status=?, workItemId=?, OPTLOCK=? where id=? and OPTLOCK=?
WARN : org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager - Unable to commit transaction
org.springframework.orm.jpa.JpaSystemException: Error while committing the transaction; nested exception is javax.persistence.RollbackException: Error while committing the transaction
          at org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:326)
          at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:106)
          at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerSynchronization.convertException(ExtendedEntityManagerCreator.java:501)
          at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerSynchronization.afterCommit(ExtendedEntityManagerCreator.java:481)
          at org.springframework.transaction.support.TransactionSynchronizationUtils.invokeAfterCommit(TransactionSynchronizationUtils.java:133)
          at org.springframework.transaction.support.TransactionSynchronizationUtils.triggerAfterCommit(TransactionSynchronizationUtils.java:121)
          at org.springframework.transaction.support.AbstractPlatformTransactionManager.triggerAfterCommit(AbstractPlatformTransactionManager.java:950)
          at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:796)
          at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:723)
          at org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager.commit(DroolsSpringTransactionManager.java:65)
          at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:371)
          at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcessInstance(CommandBasedStatefulKnowledgeSession.java:237)
          at com.svlada.controller.HomeController.home(HomeController.java:177)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
          at java.lang.reflect.Method.invoke(Method.java:597)
          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.doGet(FrameworkServlet.java:778)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:311)
          at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:116)
          at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:101)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:182)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:173)
          at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
          at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
          at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
          at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
          at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
          at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
          at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
          at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
          at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
          at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
          at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)
          at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
          at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
          at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
          at java.lang.Thread.run(Thread.java:662)
Caused by: javax.persistence.RollbackException: Error while committing the transaction
          at org.hibernate.ejb.TransactionImpl.commit(TransactionImpl.java:93)
          at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerSynchronization.afterCommit(ExtendedEntityManagerCreator.java:478)
          ... 70 more
Caused by: javax.persistence.OptimisticLockException
          at org.hibernate.ejb.AbstractEntityManagerImpl.wrapStaleStateException(AbstractEntityManagerImpl.java:1413)
          at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1334)
          at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1315)
          at org.hibernate.ejb.TransactionImpl.commit(TransactionImpl.java:81)
          ... 71 more
Caused by: org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.jbpm.task.Task#1]
          at org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:1950)
          at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2594)
          at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2494)
          at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2821)
          at org.hibernate.action.EntityUpdateAction.execute(EntityUpdateAction.java:113)
          at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:273)
          at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:265)
          at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:185)
          at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321)
          at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:51)
          at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1216)
          at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:383)
          at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:133)
          at org.hibernate.ejb.TransactionImpl.commit(TransactionImpl.java:76)
          ... 71 more
ERROR: org.drools.persistence.SingleSessionCommandService - Could not commit session
java.lang.RuntimeException: Unable to commit transaction
          at org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager.commit(DroolsSpringTransactionManager.java:70)
          at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:371)
          at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcessInstance(CommandBasedStatefulKnowledgeSession.java:237)
          at com.svlada.controller.HomeController.home(HomeController.java:177)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
          at java.lang.reflect.Method.invoke(Method.java:597)
          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.doGet(FrameworkServlet.java:778)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:311)
          at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:116)
          at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:101)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:182)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:173)
          at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
          at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
          at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
          at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
          at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
          at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
          at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
          at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
          at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
          at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
          at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)
          at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
          at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
          at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
          at java.lang.Thread.run(Thread.java:662)
Caused by: org.springframework.orm.jpa.JpaSystemException: Error while committing the transaction; nested exception is javax.persistence.RollbackException: Error while committing the transaction
          at org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:326)
          at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:106)
          at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerSynchronization.convertException(ExtendedEntityManagerCreator.java:501)
          at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerSynchronization.afterCommit(ExtendedEntityManagerCreator.java:481)
          at org.springframework.transaction.support.TransactionSynchronizationUtils.invokeAfterCommit(TransactionSynchronizationUtils.java:133)
          at org.springframework.transaction.support.TransactionSynchronizationUtils.triggerAfterCommit(TransactionSynchronizationUtils.java:121)
          at org.springframework.transaction.support.AbstractPlatformTransactionManager.triggerAfterCommit(AbstractPlatformTransactionManager.java:950)
          at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:796)
          at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:723)
          at org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager.commit(DroolsSpringTransactionManager.java:65)
          ... 64 more
Caused by: javax.persistence.RollbackException: Error while committing the transaction
          at org.hibernate.ejb.TransactionImpl.commit(TransactionImpl.java:93)
          at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerSynchronization.afterCommit(ExtendedEntityManagerCreator.java:478)
          ... 70 more
Caused by: javax.persistence.OptimisticLockException
          at org.hibernate.ejb.AbstractEntityManagerImpl.wrapStaleStateException(AbstractEntityManagerImpl.java:1413)
          at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1334)
          at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1315)
          at org.hibernate.ejb.TransactionImpl.commit(TransactionImpl.java:81)
          ... 71 more
Caused by: org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.jbpm.task.Task#1]
          at org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:1950)
          at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2594)
          at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2494)
          at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2821)
          at org.hibernate.action.EntityUpdateAction.execute(EntityUpdateAction.java:113)
          at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:273)
          at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:265)
          at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:185)
          at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321)
          at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:51)
          at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1216)
          at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:383)
          at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:133)
          at org.hibernate.ejb.TransactionImpl.commit(TransactionImpl.java:76)
          ... 71 more
WARN : org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager - Unable to rollback transaction
org.springframework.transaction.IllegalTransactionStateException: Transaction is already completed - do not call commit or rollback more than once per transaction
          at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:817)
          at org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager.rollback(DroolsSpringTransactionManager.java:79)
          at org.drools.persistence.SingleSessionCommandService.rollbackTransaction(SingleSessionCommandService.java:397)
          at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:376)
          at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcessInstance(CommandBasedStatefulKnowledgeSession.java:237)
          at com.svlada.controller.HomeController.home(HomeController.java:177)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
          at java.lang.reflect.Method.invoke(Method.java:597)
          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.doGet(FrameworkServlet.java:778)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:311)
          at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:116)
          at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:101)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:182)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:173)
          at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
          at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
          at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
          at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
          at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
          at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
          at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
          at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
          at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
          at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
          at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)
          at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
          at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
          at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
          at java.lang.Thread.run(Thread.java:662)
ERROR: org.drools.persistence.SingleSessionCommandService - Could not rollback
java.lang.RuntimeException: Unable to rollback transaction
          at org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager.rollback(DroolsSpringTransactionManager.java:85)
          at org.drools.persistence.SingleSessionCommandService.rollbackTransaction(SingleSessionCommandService.java:397)
          at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:376)
          at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcessInstance(CommandBasedStatefulKnowledgeSession.java:237)
          at com.svlada.controller.HomeController.home(HomeController.java:177)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
          at java.lang.reflect.Method.invoke(Method.java:597)
          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.doGet(FrameworkServlet.java:778)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:311)
          at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:116)
          at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:101)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:182)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
          at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:173)
          at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
          at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
          at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
          at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
          at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
          at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
          at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
          at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
          at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
          at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
          at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)
          at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
          at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
          at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
          at java.lang.Thread.run(Thread.java:662)
Caused by: org.springframework.transaction.IllegalTransactionStateException: Transaction is already completed - do not call commit or rollback more than once per transaction
          at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:817)
          at org.drools.container.spring.beans.persistence.DroolsSpringTransactionManager.rollback(DroolsSpringTransactionManager.java:79)
          ... 65 more
{code}
--------------------------------------------------------------

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