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proxy handle is no longer valid

Kevin Sheng

Joined: Jun 26, 2012
Posts: 13
When closing hibernate session, I got an exception. I am using Hibernate 4.1.7-Final. I searched the web to no avail.

Can anyone shed light on this issue? Thanks/Kevin

org.hibernate.HibernateException: proxy handle is no longer valid
at org.hibernate.engine.jdbc.internal.proxy.AbstractProxyHandler.errorIfInvalid(
at org.hibernate.engine.jdbc.internal.proxy.AbstractStatementProxyHandler.continueInvocation(
at org.hibernate.engine.jdbc.internal.proxy.AbstractProxyHandler.invoke(
at $Proxy9.getWrappedObject(Unknown Source)
at org.hibernate.engine.jdbc.internal.JdbcResourceRegistryImpl.close(
at org.hibernate.engine.jdbc.internal.JdbcResourceRegistryImpl.cleanup(
at org.hibernate.engine.jdbc.internal.JdbcResourceRegistryImpl.close(
at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.close(
at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.close(
at org.hibernate.engine.transaction.internal.TransactionCoordinatorImpl.close(
at org.hibernate.internal.SessionImpl.close(
at com.shengtech.docm.entitymanager.StoredProcedureManager.runStoredProcedure(
at com.shengtech.docm.entitymanager.StoredProcedureManager.main(
It is sorta covered in the JavaRanch Style Guide.
subject: proxy handle is no longer valid
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