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graysonpierce
 Post subject: EmbeddedId throws an exception
PostPosted: Fri Jan 21, 2005 2:51 pm 
Newbie

Joined: Sun Dec 26, 2004 4:39 pm
Posts: 14
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Hibernate version: JBoss 5.0 alpha

Using the new EmbeddedId and Embeddable to do a composite key made up of two Integer fields, I'm getting the following exception. I suspect that I didn't do my hashCode() method correctly. How should it be done for two Integer fields int1.hashCode() + int2.hashCode()?

Thanks

Code:
2005-01-21 10:28:32,936 DEBUG [org.jboss.ejb3.HibernateSessionFactory] ************** closing hibernate session **************
2005-01-21 10:28:32,936 DEBUG [org.hibernate.impl.SessionImpl] closing session
2005-01-21 10:28:32,936 DEBUG [org.hibernate.impl.SessionImpl] disconnecting session
2005-01-21 10:28:32,936 DEBUG [org.hibernate.jdbc.AbstractBatcher] about to close ResultSet (open ResultSets: 1, globally: 1)
2005-01-21 10:28:32,936 DEBUG [org.hibernate.jdbc.AbstractBatcher] about to close PreparedStatement (open PreparedStatements: 1, globally: 1)
2005-01-21 10:28:32,936 DEBUG [org.hibernate.jdbc.AbstractBatcher] closing statement
2005-01-21 10:28:32,936 DEBUG [org.hibernate.jdbc.AbstractBatcher] closing JDBC connection (open PreparedStatements: 0, globally: 0) (open ResultSets: 0, globally: 0)
2005-01-21 10:28:32,952 DEBUG [org.hibernate.engine.CacheSynchronization] transaction after completion callback, status: 4
2005-01-21 10:28:32,952 DEBUG [org.hibernate.impl.SessionImpl] transaction completion
2005-01-21 10:28:32,952 INFO  [STDOUT] javax.transaction.TransactionRolledbackException: Unable to commit, tx=TransactionImpl:XidImpl[FormatId=257, GlobalId=1106328444009IT/27, BranchQual=, localId=27] status=STATUS_NO_TRANSACTION; - nested throwable: (org.hibernate.HibernateException: identifier of an instance of Symbol altered from Symbol@0 to null)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.aspects.tx.TxSupport.endTransaction(TxSupport.java:220)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.aspects.tx.TxSupport.invokeInOurTx(TxSupport.java:153)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.aspects.tx.TxSupport$Required.serverInvoke(TxSupport.java:438)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.aspects.tx.TxInterceptor.internalInvoke(TxInterceptor.java:112)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.aspects.tx.TxInterceptor.invoke(TxInterceptor.java:60)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:66)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:62)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:66)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:36)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:66)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:66)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:148)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:102)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:74)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:293)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:169)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:255)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:304)
2005-01-21 10:28:32,952 INFO  [STDOUT]    at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:147)
2005-01-21 10:28:33,014 DEBUG [org.jboss.remoting.transport.socket.ServerThread] IOException when reading in ACK
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christian
 Post subject:
PostPosted: Fri Jan 21, 2005 2:53 pm 
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Hibernate Team

Joined: Mon Aug 25, 2003 9:11 pm
Posts: 4592
Location: Switzerland
Read the rules before posting!
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graysonpierce
 Post subject:
PostPosted: Fri Jan 21, 2005 3:45 pm 
Newbie

Joined: Sun Dec 26, 2004 4:39 pm
Posts: 14
christian,

Thanks for the reply. I did notice a similar topic in the FAQ about composite identifiers but I should have mentioned that my implementation was working just fine with the JBoss 4.0 implementation of @Dependent. Any help would be much appreciated.
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christian
 Post subject:
PostPosted: Fri Jan 21, 2005 3:56 pm 
Hibernate Team
Hibernate Team

Joined: Mon Aug 25, 2003 9:11 pm
Posts: 4592
Location: Switzerland
Nobody knows what you want to do, because you didn't fill out the form properly, but rather deleted it without reading.
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emmanuel
 Post subject:
PostPosted: Mon Jan 24, 2005 11:24 am 
Hibernate Team
Hibernate Team

Joined: Sun Sep 14, 2003 3:54 am
Posts: 7256
Location: Paris, France
Be sure not to update int1 and int2 once the object has been passed to create() or cascaded by the entiy manager.

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Emmanuel

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