[jbpm-issues] [JBoss JIRA] Resolved: (JBPM-1620) EntitySchedulerService fails with ObjectNotFoundException

EntitySchedulerService fails with ObjectNotFoundException --------------------------------------------------------- Key: JBPM-1620 URL: https://jira.jboss.org/jira/browse/JBPM-1620 Project: JBoss jBPM Issue Type: Bug Security Level: Public(Everyone can see) Affects Versions: jPDL 3.2.3 Environment: jbpm-enterprise.ear with jbpm.cfg.xml: <service name="scheduler" factory="org.jbpm.scheduler.ejbtimer.EntitySchedulerServiceFactory" /> Reporter: Martin Putz Assignee: Alejandro Guizar Fix For: JBossBPM-3.3.0 When a process contains a timer definition, the EntitySchedulerService#createTimer function fails with the following stacktrace: 2008-08-14 14:42:22,563 DEBUG [org.jbpm.scheduler.ejbtimer.EntitySchedulerService] creating timer timer(initialReminder,08-08-14 14:42:32,553,Token: 6999) 2008-08-14 14:42:22,563 DEBUG [org.hibernate.jdbc.AbstractBatcher] about to open PreparedStatement (open PreparedStatements: 0, globally: 0) 2008-08-14 14:42:22,563 DEBUG [org.hibernate.jdbc.ConnectionManager] opening JDBC connection 2008-08-14 14:42:22,563 DEBUG [org.hibernate.SQL] select nextval ('hibernate_sequence') 2008-08-14 14:42:22,564 DEBUG [org.hibernate.id.SequenceGenerator] Sequence identifier generated: 7000 2008-08-14 14:42:22,564 DEBUG [org.hibernate.jdbc.AbstractBatcher] about to close PreparedStatement (open PreparedStatements: 1, globally: 1) 2008-08-14 14:42:22,564 DEBUG [org.hibernate.jdbc.ConnectionManager] aggressively releasing JDBC connection 2008-08-14 14:42:22,564 DEBUG [org.hibernate.jdbc.ConnectionManager] releasing JDBC connection [ (open PreparedStatements: 0, globally: 0) (open ResultSets: 0, globally: 0)] 2008-08-14 14:42:22,564 DEBUG [org.hibernate.event.def.AbstractSaveEventListener] generated identifier: 7000, using strategy: org.hibernate.id.SequenceGenerator 2008-08-14 14:42:22,565 DEBUG [org.jboss.ejb.plugins.cmp.jdbc.JDBCFindByPrimaryKeyQuery.TimerEntityBean#findByPrimaryKey] Executing SQL: SELECT t0_TimerEntityBean.ID_ FROM jbpm_job t0_TimerEntityBean WHERE t0_TimerEntityBean.ID_=? 2008-08-14 14:42:22,566 ERROR [org.jbpm.scheduler.ejbtimer.EntitySchedulerService] failed to retrieve entity for timer timer(initialReminder,08-08-14 14:42:32,553,Token: 6999) javax.ejb.ObjectNotFoundException: No such entity! at org.jboss.ejb.plugins.cmp.jdbc.JDBCFindEntityCommand.execute(JDBCFindEntityCommand.java:64) at org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.findEntity(JDBCStoreManager.java:604) at org.jboss.ejb.plugins.CMPPersistenceManager.findEntity(CMPPersistenceManager.java:315) at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.findEntity(CachedConnectionInterceptor.java:236) at org.jboss.ejb.EntityContainer.findSingleObject(EntityContainer.java:1099) at org.jboss.ejb.EntityContainer.findLocal(EntityContainer.java:676) 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:585) ... at $Proxy62.findByPrimaryKey(Unknown Source) The new record has not been written to the JBPM_JOB table at the time the timerEntityHome.findByPrimaryKey(new Long(timer.getId())); call is made. I tried adding a Hibernate session.flush() before, which solved this problem. But as a consequence this workaround showed the symptoms of multiple 1-phase aware participants enlisting in the same transaction (http://wiki.jboss.org/wiki/Multiple1PC), so there must be a cleaner solution to it.