HI,
this is Ashok, my requirement is to create swimlane programmatically
for a ProcessDefinition, which is already stored in data base. i wrote the
fallowing coad.
JbpmContext jc = null;
try{
jc = JbpmConfiguration.getInstance().createJbpmContext();
GraphSession gs = jc.getGraphSession();
ProcessDefinition pd = gs.loadProcessDefinition(2219);
System.out.println(pd);
Swimlane s = new Swimlane("sampleSwimlane");
System.out.println(s);
s.addTask(pd.getTaskMgmtDefinition().getTask("firstTask"));
gs.saveProcessDefinition(pd);
}
catch(Exception e)
{
e.printStackTrace();
}
finally
{
try{
jc.close();
}
catch(Exception e)
{
e.printStackTrace();
}
}
but it is throwing fallowing
exception.org.jbpm.persistence.JbpmPersistenceException: couldn't commit
hibernate session
at
org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:171)
at org.jbpm.svc.Services.close(Services.java:211)
at org.jbpm.JbpmContext.close(JbpmContext.java:141)
at SamplePDModification.main(SamplePDModification.java:33)
Caused by: org.hibernate.TransientObjectException: object references an unsaved
transient instance - save the transient instance before flushing:
org.jbpm.taskmgmt.def.Swimlane
at
org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:216)
at org.hibernate.type.EntityType.getIdentifier(EntityType.java:108)
at org.hibernate.type.ManyToOneType.isDirty(ManyToOneType.java:221)
at org.hibernate.type.TypeFactory.findDirty(TypeFactory.java:476)
at
org.hibernate.persister.entity.AbstractEntityPersister.findDirty(AbstractEntityPersister.java:2803)
at
org.hibernate.event.def.DefaultFlushEntityEventListener.dirtyCheck(DefaultFlushEntityEventListener.java:467)
at
org.hibernate.event.def.DefaultFlushEntityEventListener.isUpdateNecessary(DefaultFlushEntityEventListener.java:190)
at
org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:113)
at
org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:195)
at
org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76)
at
org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:980)
at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:353)
at
org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
at
org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:161)
... 3 more
18:06:23,188 [main] ERROR Services : problem closing service 'persistence'
org.jbpm.persistence.JbpmPersistenceException: couldn't commit hibernate session
at
org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:171)
at org.jbpm.svc.Services.close(Services.java:211)
at org.jbpm.JbpmContext.close(JbpmContext.java:141)
at SamplePDModification.main(SamplePDModification.java:33)
Caused by: org.hibernate.TransientObjectException: object references an unsaved
transient instance - save the transient instance before flushing:
org.jbpm.taskmgmt.def.Swimlane
at
org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:216)
at org.hibernate.type.EntityType.getIdentifier(EntityType.java:108)
at org.hibernate.type.ManyToOneType.isDirty(ManyToOneType.java:221)
at org.hibernate.type.TypeFactory.findDirty(TypeFactory.java:476)
at
org.hibernate.persister.entity.AbstractEntityPersister.findDirty(AbstractEntityPersister.java:2803)
at
org.hibernate.event.def.DefaultFlushEntityEventListener.dirtyCheck(DefaultFlushEntityEventListener.java:467)
at
org.hibernate.event.def.DefaultFlushEntityEventListener.isUpdateNecessary(DefaultFlushEntityEventListener.java:190)
at
org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:113)
at
org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:195)
at
org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76)
at
org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:980)
at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:353)
at
org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
at
org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:161)
... 3 more
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:141)
at SamplePDModification.main(SamplePDModification.java:33)
Caused by: org.jbpm.persistence.JbpmPersistenceException: couldn't commit
hibernate session
at
org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:171)
at org.jbpm.svc.Services.close(Services.java:211)
... 2 more
Caused by: org.hibernate.TransientObjectException: object references an unsaved
transient instance - save the transient instance before flushing:
org.jbpm.taskmgmt.def.Swimlane
at
org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:216)
at org.hibernate.type.EntityType.getIdentifier(EntityType.java:108)
at org.hibernate.type.ManyToOneType.isDirty(ManyToOneType.java:221)
at org.hibernate.type.TypeFactory.findDirty(TypeFactory.java:476)
at
org.hibernate.persister.entity.AbstractEntityPersister.findDirty(AbstractEntityPersister.java:2803)
at
org.hibernate.event.def.DefaultFlushEntityEventListener.dirtyCheck(DefaultFlushEntityEventListener.java:467)
at
org.hibernate.event.def.DefaultFlushEntityEventListener.isUpdateNecessary(DefaultFlushEntityEventListener.java:190)
at
org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:113)
at
org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:195)
at
org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76)
at
org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:980)
at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:353)
at
org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
at
org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:161)
... 3 more
I request u to help me this regard.
thanks
Ashok
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