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POJCR session closed by container causes duplicate attempt to close session
 

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    <p>In my EJB I use a JCR session to store a File. I then logout of the session and throw a CDI event. The EJB which observes the CDI event then creates a new JCR session in which it wants to use the stored file. (Note: I had to add a delay in order to get this to work because for some reason the file wasn't available directly after storing it). After the method is done with using the file I also logout of this session. However after 15 minutes I get the exception "Attempt to close session-a84d60ac-1c8f-4cad-bc5a-84102b12f8e5-385 after it has already been closed." with stacktrace :</p> <pre><code>Stack trace of the duplicate attempt to close session-c7bc3b30-9a5f-4922-bf80-8f197c583370-389 at org.apache.jackrabbit.core.session.SessionState.close(SessionState.java:280) ~[jackrabbit-core-2.4.2.jar:na] at org.apache.jackrabbit.core.SessionImpl.logout(SessionImpl.java:943) [jackrabbit-core-2.4.2.jar:na] at org.apache.jackrabbit.core.XASessionImpl.logout(XASessionImpl.java:392) [jackrabbit-core-2.4.2.jar:na] at org.apache.jackrabbit.jca.JCAManagedConnection.cleanup(JCAManagedConnection.java:169) [jackrabbit-jca-2.4.2.jar:na] at ... </code></pre> <p>and after 1 hour :</p> <pre><code>Unclosed session detected. The session was opened here: java.lang.Exception: Stack Trace at org.apache.jackrabbit.core.SessionImpl.&lt;init&gt;(SessionImpl.java:222) ~[jackrabbit-core-2.4.2.jar:na] at org.apache.jackrabbit.core.SessionImpl.&lt;init&gt;(SessionImpl.java:239) ~[jackrabbit-core-2.4.2.jar:na] at org.apache.jackrabbit.core.XASessionImpl.&lt;init&gt;(XASessionImpl.java:99) ~[jackrabbit-core-2.4.2.jar:na] at ... </code></pre> <p>I believe this is because the application server (Glassfish v.3.1.2.2) tries to close the session I already closed. But when I don't close any sessions, I also get an exception where it says that the pool size limit is reached. How can I avoid my problem?</p>
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    1. COAre you trying to use the session across threads? Are you passing the session to other methods which are also trying to close it? It might be worth double checking your code just to make sure thats not happening. Also, "I had to add a delay", thats a really bad code smell. Fix the problem, not the symptom.
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