bpel wait for

[pkovgan]

I try to use <wait for="'PT15S'"/>, but it does not work!

i have following steps:

wait
invoke
wait
invoke

I also determined scheduler in web-xml file for 5000msc

and It(a process) worked once, then repeatedly with interval of 5 sec produces exception:

06:44:13,270 ERROR [STDERR] org.jbpm.persistence.JbpmPersistenceException: couldn't commit hibernate session
06:44:13,270 ERROR [STDERR] at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:172)
06:44:13,270 ERROR [STDERR] at org.jbpm.svc.Services.close(Services.java:211)
06:44:13,270 ERROR [STDERR] at org.jbpm.JbpmContext.close(JbpmContext.java:139)
06:44:13,270 ERROR [STDERR] at org.jbpm.scheduler.impl.SchedulerThread.executeTimers(SchedulerThread.java:161)
06:44:13,270 ERROR [STDERR] at org.jbpm.scheduler.impl.SchedulerThread.run(SchedulerThread.java:70)
06:44:13,270 ERROR [STDERR] Caused by: org.hibernate.StaleStateException: Batch update returned unexpected row count from update: 0 actual row count: 0 expected: 1
06:44:13,270 ERROR [STDERR] at org.hibernate.jdbc.BatchingBatcher.checkRowCount(BatchingBatcher.java:93)
06:44:13,270 ERROR [STDERR] at org.hibernate.jdbc.BatchingBatcher.checkRowCounts(BatchingBatcher.java:79)
06:44:13,270 ERROR [STDERR] at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:58)
06:44:13,310 ERROR [STDERR] at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:242)
06:44:13,310 ERROR [STDERR] at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:235)
06:44:13,310 ERROR [STDERR] at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:144)
06:44:13,310 ERROR [STDERR] at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:297)
06:44:13,310 ERROR [STDERR] at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
06:44:13,310 ERROR [STDERR] at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:993)
06:44:13,310 ERROR [STDERR] at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:340)
06:44:13,310 ERROR [STDERR] at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
06:44:13,310 ERROR [STDERR] at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:162)
06:44:13,310 ERROR [STDERR] ... 4 more
06:44:13,350 ERROR [Services] problem closing service 'persistence'
org.jbpm.persistence.JbpmPersistenceException: couldn't commit hibernate session
 at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:172)
 at org.jbpm.svc.Services.close(Services.java:211)
 at org.jbpm.JbpmContext.close(JbpmContext.java:139)
 at org.jbpm.scheduler.impl.SchedulerThread.executeTimers(SchedulerThread.java:161)
 at org.jbpm.scheduler.impl.SchedulerThread.run(SchedulerThread.java:70)
Caused by: org.hibernate.StaleStateException: Batch update returned unexpected row count from update: 0 actual row count: 0 expected: 1
 at org.hibernate.jdbc.BatchingBatcher.checkRowCount(BatchingBatcher.java:93)
 at org.hibernate.jdbc.BatchingBatcher.checkRowCounts(BatchingBatcher.java:79)
 at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:58)
 at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:242)
 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:235)
 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:144)
 at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:297)
 at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
 at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:993)
 at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:340)
 at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
 at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:162)
 ... 4 more
06:44:13,420 INFO [SchedulerThread] runtime exception while executing timers
org.jbpm.JbpmException: problem closing services {persistence=org.jbpm.persistence.JbpmPersistenceException: couldn't commit hibernate session}
 at org.jbpm.svc.Services.close(Services.java:223)
 at org.jbpm.JbpmContext.close(JbpmContext.java:139)
 at org.jbpm.scheduler.impl.SchedulerThread.executeTimers(SchedulerThread.java:161)
 at org.jbpm.scheduler.impl.SchedulerThread.run(SchedulerThread.java:70)
Caused by: org.jbpm.persistence.JbpmPersistenceException: couldn't commit hibernate session
 at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:172)
 at org.jbpm.svc.Services.close(Services.java:211)
 ... 3 more
Caused by: org.hibernate.StaleStateException: Batch update returned unexpected row count from update: 0 actual row count: 0 expected: 1
 at org.hibernate.jdbc.BatchingBatcher.checkRowCount(BatchingBatcher.java:93)
 at org.hibernate.jdbc.BatchingBatcher.checkRowCounts(BatchingBatcher.java:79)
 at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:58)
 at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:242)
 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:235)
 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:144)
 at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:297)
 at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
 at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:993)
 at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:340)
 at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
 at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:162)
 ... 4 more

Why?

[pkovgan]

yes, yes, it does not work properly, there is some bug there.