I found this anonymous wrote : timers are updated only with a 
saveProcessInstance or a signal.  from 
http://www.jboss.com/index.html?module=bb&op=viewtopic&t=69040

so, i tried jbpmContext.save(processInstance) to save the updated timers but 
this is throwing the same exception except the assertion error we are getting 
it for [org.jbpm.graph.def.Node.arrivingTransitions]

2007-01-03 20:26:57,502 DEBUG 
[org.springframework.orm.hibernate3.HibernateTransactionManager] - Committing 
Hibernate transaction on Session [EMAIL PROTECTED]
  | 2007-01-03 20:26:57,502 DEBUG [org.hibernate.impl.SessionImpl] - 
automatically flushing session
  | 2007-01-03 20:26:57,512 DEBUG [org.hibernate.impl.SessionImpl] - 
initializing proxy: [org.jbpm.graph.node.State#3314]
  | 2007-01-03 20:26:57,623 ERROR [org.hibernate.AssertionFailure] - an 
assertion failure occured (this may indicate a bug in Hibernate, but is more 
likely due to unsafe use of the session)
  | org.hibernate.AssertionFailure: collection 
[org.jbpm.graph.def.Node.arrivingTransitions] was not processed by flush()
  |     at 
org.hibernate.engine.CollectionEntry.postFlush(CollectionEntry.java:205)
  |     at 
org.hibernate.event.def.AbstractFlushingEventListener.postFlush(AbstractFlushingEventListener.java:332)
  |     at 
org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:28)
  |     at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:985)
  |     at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:333)
  |     at 
org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
  |     at 
org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:584)
  |     at 
org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:496)
  |     at 
org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:469)
  |     at 
org.springframework.transaction.interceptor.TransactionAspectSupport.doCommitTransactionAfterReturning(TransactionAspectSupport.java:266)
  |     at 
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
  |     at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:170)
  |     at 
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:176)
  |     at $Proxy6.updateAndAdjustWorkflow(Unknown Source)
  |     at 
org.donorschoose.web.control.admin.ProposalDetailController.onFormSubmit(ProposalDetailController.java:178)
  |     at 
org.donorschoose.web.control.admin.AdminBaseFormController.onSubmit(AdminBaseFormController.java:130)
  |     at 
org.springframework.web.servlet.mvc.SimpleFormController.processFormSubmission(SimpleFormController.java:258)
  |     at 
org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:259)
  |     at 
org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:139)
  |     at 
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:44)
  |     at 
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:717)
  |     at 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:658)
  |     at 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:392)
  |     at 
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:357)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.donorschoose.web.filter.ActionFilter.doFilter(ActionFilter.java:112)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:174)
  |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  |     at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
  |     at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
  |     at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
  |     at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
  |     at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
  |     at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868)
  |     at 
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:663)
  |     at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
  |     at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
  |     at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
  |     at java.lang.Thread.run(Thread.java:595)
  | 2007-01-03 20:26:57,773 DEBUG 
[org.springframework.orm.hibernate3.HibernateTransactionManager] - Initiating 
transaction rollback on commit exception
  | org.hibernate.AssertionFailure: collection 
[org.jbpm.graph.def.Node.arrivingTransitions] was not processed by flush()
  |     at 
org.hibernate.engine.CollectionEntry.postFlush(CollectionEntry.java:205)
  |     at 
org.hibernate.event.def.AbstractFlushingEventListener.postFlush(AbstractFlushingEventListener.java:332)
  |     at 
org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:28)
  |     at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:985)
  |     at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:333)
  |     at 
org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
  |     at 
org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:584)
  |     at 
org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:496)
  |     at 
org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:469)
  |     at 
org.springframework.transaction.interceptor.TransactionAspectSupport.doCommitTransactionAfterReturning(TransactionAspectSupport.java:266)
  |     at 
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
  |     at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:170)
  |     at 
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:176)
  |     at $Proxy6.updateAndAdjustWorkflow(Unknown Source)
  |     at 
org.donorschoose.web.control.admin.ProposalDetailController.onFormSubmit(ProposalDetailController.java:178)
  |     at 
org.donorschoose.web.control.admin.AdminBaseFormController.onSubmit(AdminBaseFormController.java:130)
  |     at 
org.springframework.web.servlet.mvc.SimpleFormController.processFormSubmission(SimpleFormController.java:258)
  |     at 
org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:259)
  |     at 
org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:139)
  |     at 
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:44)
  |     at 
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:717)
  |     at 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:658)
  |     at 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:392)
  |     at 
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:357)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.donorschoose.web.filter.ActionFilter.doFilter(ActionFilter.java:112)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:174)
  |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  |     at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
  |     at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
  |     at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
  |     at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
  |     at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
  |     at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868)
  |     at 
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:663)
  |     at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
  |     at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
  |     at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
  |     at java.lang.Thread.run(Thread.java:595)
  | 2007-01-03 20:26:57,773 DEBUG 
[org.springframework.orm.hibernate3.HibernateTransactionManager] - Initiating 
transaction rollback on commit exception
  | org.hibernate.AssertionFailure: collection 
[org.jbpm.graph.def.Node.arrivingTransitions] was not processed by flush()
  |     at 
org.hibernate.engine.CollectionEntry.postFlush(CollectionEntry.java:205)
  |     at 
org.hibernate.event.def.AbstractFlushingEventListener.postFlush(AbstractFlushingEventListener.java:332)
  |     at 
org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:28)
  |     at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:985)
  |     at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:333)
  |     at 
org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
  |     at 
org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:584)
  |     at 
org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:496)
  |     at 
org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:469)
  |     at 
org.springframework.transaction.interceptor.TransactionAspectSupport.doCommitTransactionAfterReturning(TransactionAspectSupport.java:266)
  |     at 
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
  |     at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:170)
  |     at 
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:176)
  |     at $Proxy6.updateAndAdjustWorkflow(Unknown Source)
  |     at 
org.donorschoose.web.control.admin.ProposalDetailController.onFormSubmit(ProposalDetailController.java:178)
  |     at 
org.donorschoose.web.control.admin.AdminBaseFormController.onSubmit(AdminBaseFormController.java:130)
  |     at 
org.springframework.web.servlet.mvc.SimpleFormController.processFormSubmission(SimpleFormController.java:258)
  |     at 
org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:259)
  |     at 
org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:139)
  |     at 
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:44)
  |     at 
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:717)
  |     at 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:658)
  |     at 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:392)
  |     at 
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:357)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.donorschoose.web.filter.ActionFilter.doFilter(ActionFilter.java:112)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:174)
  |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  |     at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
  |     at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
  |     at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
  |     at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
  |     at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
  |     at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868)
  |     at 
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:663)
  |     at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
  |     at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
  |     at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
  |     at java.lang.Thread.run(Thread.java:595)
  | 2007-01-03 20:26:57,783 DEBUG 
[org.springframework.orm.hibernate3.HibernateTransactionManager] - Rolling back 
Hibernate transaction on Session [EMAIL PROTECTED]
  | 2007-01-03 20:26:57,783 DEBUG 
[org.springframework.orm.hibernate3.HibernateTransactionManager] - Rolling back 
Hibernate transaction on Session [EMAIL PROTECTED]
  | 2007-01-03 20:26:57,883 DEBUG [org.hibernate.impl.SessionImpl] - after 
transaction completion
  | 2007-01-03 20:26:57,883 DEBUG 
[org.springframework.orm.hibernate3.HibernateTransactionManager] - Triggering 
afterCompletion synchronization
  | 2007-01-03 20:26:57,883 DEBUG 
[org.springframework.orm.hibernate3.HibernateTransactionManager] - Triggering 
afterCompletion synchronization
  | 2007-01-03 20:26:57,883 DEBUG 
[org.springframework.orm.hibernate3.HibernateTransactionManager] - Not closing 
pre-bound Hibernate Session [EMAIL PROTECTED] after transaction
  | 2007-01-03 20:26:57,883 DEBUG 
[org.springframework.orm.hibernate3.HibernateTransactionManager] - Not closing 
pre-bound Hibernate Session [EMAIL PROTECTED] after transaction
  | 2007-01-03 20:26:57,883 DEBUG [org.hibernate.impl.SessionImpl] - setting 
flush mode to: NEVER
  | 2007-01-03 20:26:57,883 ERROR 
[org.springframework.web.servlet.DispatcherServlet] - Could not complete request
  | org.hibernate.AssertionFailure: collection 
[org.jbpm.graph.def.Node.arrivingTransitions] was not processed by flush()
  |     at 
org.hibernate.engine.CollectionEntry.postFlush(CollectionEntry.java:205)
  |     at 
org.hibernate.event.def.AbstractFlushingEventListener.postFlush(AbstractFlushingEventListener.java:332)
  |     at 
org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:28)
  |     at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:985)
  |     at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:333)
  |     at 
org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
  |     at 
org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:584)
  |     at 
org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:496)
  |     at 
org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:469)
  |     at 
org.springframework.transaction.interceptor.TransactionAspectSupport.doCommitTransactionAfterReturning(TransactionAspectSupport.java:266)
  |     at 
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
  |     at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:170)
  |     at 
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:176)
  |     at $Proxy6.updateAndAdjustWorkflow(Unknown Source)
  |     at 
org.donorschoose.web.control.admin.ProposalDetailController.onFormSubmit(ProposalDetailController.java:178)
  |     at 
org.donorschoose.web.control.admin.AdminBaseFormController.onSubmit(AdminBaseFormController.java:130)
  |     at 
org.springframework.web.servlet.mvc.SimpleFormController.processFormSubmission(SimpleFormController.java:258)
  |     at 
org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:259)
  |     at 
org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:139)
  |     at 
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:44)
  |     at 
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:717)
  |     at 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:658)
  |     at 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:392)
  |     at 
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:357)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.donorschoose.web.filter.ActionFilter.doFilter(ActionFilter.java:112)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:174)
  |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  |     at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
  |     at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
  |     at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
  |     at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
  |     at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
  |     at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868)
  |     at 
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:663)
  |     at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
  |     at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
  |     at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
  |     at java.lang.Thread.run(Thread.java:595)
  | 2007-01-03 20:26:57,893 DEBUG 
[org.springframework.orm.hibernate3.support.OpenSessionInViewFilter] - Closing 
single Hibernate Session in OpenSessionInViewFilter
  | 2007-01-03 20:26:57,893 DEBUG 
[org.springframework.orm.hibernate3.support.OpenSessionInViewFilter] - Closing 
single Hibernate Session in OpenSessionInViewFilter
  | 2007-01-03 20:26:57,893 DEBUG 
[org.springframework.orm.hibernate3.SessionFactoryUtils] - Closing Hibernate 
Session
  | 2007-01-03 20:26:57,893 DEBUG 
[org.springframework.orm.hibernate3.SessionFactoryUtils] - Closing Hibernate 
Session
  | 2007-01-03 20:26:57,893 DEBUG [org.hibernate.impl.SessionImpl] - closing 
session
  | 2007-01-03 20:26:57,893 DEBUG [org.hibernate.impl.SessionImpl] - after 
transaction completion
  | 2007-01-03 20:26:57,893 ERROR 
[org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/dev].[donorschoose]]
 - Servlet.service() for servlet donorschoose threw exception
  | org.hibernate.AssertionFailure: collection 
[org.jbpm.graph.def.Node.arrivingTransitions] was not processed by flush()
  |     at 
org.hibernate.engine.CollectionEntry.postFlush(CollectionEntry.java:205)
  |     at 
org.hibernate.event.def.AbstractFlushingEventListener.postFlush(AbstractFlushingEventListener.java:332)
  |     at 
org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:28)
  |     at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:985)
  |     at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:333)
  |     at 
org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
  |     at 
org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:584)
  |     at 
org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:496)
  |     at 
org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:469)
  |     at 
org.springframework.transaction.interceptor.TransactionAspectSupport.doCommitTransactionAfterReturning(TransactionAspectSupport.java:266)
  |     at 
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
  |     at 
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:170)
  |     at 
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:176)
  |     at $Proxy6.updateAndAdjustWorkflow(Unknown Source)
  |     at 
org.donorschoose.web.control.admin.ProposalDetailController.onFormSubmit(ProposalDetailController.java:178)
  |     at 
org.donorschoose.web.control.admin.AdminBaseFormController.onSubmit(AdminBaseFormController.java:130)
  |     at 
org.springframework.web.servlet.mvc.SimpleFormController.processFormSubmission(SimpleFormController.java:258)
  |     at 
org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:259)
  |     at 
org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:139)
  |     at 
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:44)
  |     at 
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:717)
  |     at 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:658)
  |     at 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:392)
  |     at 
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:357)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
  |     at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.donorschoose.web.filter.ActionFilter.doFilter(ActionFilter.java:112)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:174)
  |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |     at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  |     at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
  |     at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
  |     at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
  |     at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
  |     at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
  |     at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868)
  |     at 
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:663)
  |     at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
  |     at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
  |     at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
  |     at java.lang.Thread.run(Thread.java:595)


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