BP multi close of session

20.04.2011 14:24:37 WARN [org.apache.jackrabbit.core.session.SessionState.close():253] Attempt to close session-42 after it has already been closed. Please review your code for proper session management.
java.lang.Exception: Stack trace of the duplicate attempt to close session-42
at org.apache.jackrabbit.core.session.SessionState.close(SessionState.java:250)
at org.hippoecm.repository.jackrabbit.XASessionImpl.finalize(XASessionImpl.java:226)
at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method)
at java.lang.ref.Finalizer.runFinalizer(Unknown Source)
at java.lang.ref.Finalizer.access$100(Unknown Source)
at java.lang.ref.Finalizer$FinalizerThread.run(Unknown Source)
20.04.2011 14:24:37 WARN [org.apache.jackrabbit.core.session.SessionState.close():256] session-42 has already been closed. See the attached exception for a trace of where this session was closed.
java.lang.Exception: Stack trace of where session-42 was originally closed
at org.apache.jackrabbit.core.session.SessionState.close(SessionState.java:245)
at org.apache.jackrabbit.core.SessionImpl.logout(SessionImpl.java:892)
at org.apache.jackrabbit.core.ForkedXASessionImpl.logout(ForkedXASessionImpl.java:400)
at org.hippoecm.repository.jackrabbit.XASessionImpl.logout(XASessionImpl.java:153)
at org.hippoecm.repository.jackrabbit.XASessionImpl.finalize(XASessionImpl.java:225)
at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method)
at java.lang.ref.Finalizer.runFinalizer(Unknown Source)
at java.lang.ref.Finalizer.access$100(Unknown Source)
at java.lang.ref.Finalizer$FinalizerThread.run(Unknown Source)