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pedrosacosta
 Post subject: StaleObjectStateException
PostPosted: Fri May 05, 2006 10:11 am 
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Joined: Wed Dec 14, 2005 7:27 am
Posts: 18
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Hibernate version: 3

Debug level Hibernate log excerpt:

Code:
org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.jboss.portal.core.impl.model.portal.PageImpl#34835]
   at org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:1634)
   at org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2293)
   at org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2439)
   at org.hibernate.action.EntityDeleteAction.execute(EntityDeleteAction.java:65)
   at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:243)
   at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:227)
   at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:145)
   at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:296)
   at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
   at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:905)




I'm using jboss, and when i redeploy my ear with jboss application server running, i get the prior erro. I can only solve this problem, restarting the application server.

There are 3 users that acesses the same database at same time.

What is the problem? How can i solve it?

Thanks,
Pedro
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kochcp
 Post subject:
PostPosted: Fri May 05, 2006 10:57 am 
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Joined: Fri Aug 19, 2005 2:11 pm
Posts: 628
Location: Cincinnati
I don't know what that has to do with redeploying, but that's a typical concurrent user problem. That is happening because some object (row) is retrieved from the database by one program or user. Then, another program or user retrieves that same row, changes it, saves the changes. Then, the first user tries to save it, and hibernate explodes cause the database is different from what is has in memory.

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