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Subject: Re: RepositoryImpl closing sessions twice on shutdown
From: Jan Haderka <jan.haderka@magnolia-cms.com>
In-Reply-To: <98F2D51B-0A81-4BDD-8651-52E41C38D663@magnolia-cms.com>
Date: Thu, 1 Mar 2012 15:26:26 +0100
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References: <98F2D51B-0A81-4BDD-8651-52E41C38D663@magnolia-cms.com>
To: users@jackrabbit.apache.org

Seems like there is no wisdom or other interest in this issue, so I've =
logged it as https://issues.apache.org/jira/browse/JCR-3246 since I =
failed to find a solution for the problem apart from changing JR code.

Would be nice if this can be fixed in 1.4.1

Thanks,
Jan

On Feb 28, 2012, at 11:00 AM, Jan Haderka wrote:

> Hi,
> I ran into strange issue w/ JR 2.4.0.=20
> On shutdown sessions are being closed twice which lead to the =
exception being logged as shown below. As far as I can tell =
RepositoryImpl has system sessions in the list of active sessions which =
is why it tries to close them twice - first time when closing all active =
sessions (RepositoryImpl.java:1078) and second time when disposing =
workspace (RepositoryImpl.java:1090).
>=20
> However I have no idea if the system session is supposed to be on the =
list of active sessions or not.=20
> Also it seems to be related to timing - I have troubles reproducing =
the issue with debugger attached to the server.
>=20
> Is this known issue? Any pointers to what to look for when preventing =
this issue from occurring?
>=20
> Thanks,
> Jan
>=20
>=20
> 2012-02-28 10:36:00,614 WARN  =
org.apache.jackrabbit.core.session.SessionState   : Attempt to close =
session-31 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-31
> 	at =
org.apache.jackrabbit.core.session.SessionState.close(SessionState.java:28=
0)
> 	at =
org.apache.jackrabbit.core.SessionImpl.logout(SessionImpl.java:943)
> 	at =
org.apache.jackrabbit.core.XASessionImpl.logout(XASessionImpl.java:392)
> 	at =
org.apache.jackrabbit.core.security.user.UserManagerImpl.loggedOut(UserMan=
agerImpl.java:1115)
> 	at =
org.apache.jackrabbit.core.SessionImpl.notifyLoggedOut(SessionImpl.java:56=
5)
> 	at =
org.apache.jackrabbit.core.SessionImpl.logout(SessionImpl.java:979)
> 	at =
org.apache.jackrabbit.core.RepositoryImpl$WorkspaceInfo.doDispose(Reposito=
ryImpl.java:2200)
> 	at =
org.apache.jackrabbit.core.RepositoryImpl$WorkspaceInfo.dispose(Repository=
Impl.java:2154)
> 	at =
org.apache.jackrabbit.core.RepositoryImpl.doShutdown(RepositoryImpl.java:1=
090)
> 	at =
org.apache.jackrabbit.core.RepositoryImpl.shutdown(RepositoryImpl.java:104=
1)
> 	at =
org.apache.jackrabbit.core.jndi.BindableRepository.shutdown(BindableReposi=
tory.java:259)
> 	at =
org.apache.jackrabbit.core.jndi.RegistryHelper.unregisterRepository(Regist=
ryHelper.java:94)
>        ...
> 2012-02-28 10:36:00,617 WARN  =
org.apache.jackrabbit.core.session.SessionState   : session-31 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-31 was originally =
closed
> 	at =
org.apache.jackrabbit.core.session.SessionState.close(SessionState.java:27=
5)
> 	at =
org.apache.jackrabbit.core.SessionImpl.logout(SessionImpl.java:943)
> 	at =
org.apache.jackrabbit.core.XASessionImpl.logout(XASessionImpl.java:392)
> 	at =
org.apache.jackrabbit.core.RepositoryImpl.doShutdown(RepositoryImpl.java:1=
078)
> 	at =
org.apache.jackrabbit.core.RepositoryImpl.shutdown(RepositoryImpl.java:104=
1)
> 	at =
org.apache.jackrabbit.core.jndi.BindableRepository.shutdown(BindableReposi=
tory.java:259)
> 	at =
org.apache.jackrabbit.core.jndi.RegistryHelper.unregisterRepository(Regist=
ryHelper.java:94)
>        ...
>=20
>=20
>=20