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From "Thomas Mueller (JIRA)" <j...@apache.org>
Subject [jira] Created: (JCR-1216) Unreferenced sessions should get garbage collected
Date Wed, 14 Nov 2007 16:37:42 GMT
Unreferenced sessions should get garbage collected
--------------------------------------------------

                 Key: JCR-1216
                 URL: https://issues.apache.org/jira/browse/JCR-1216
             Project: Jackrabbit
          Issue Type: Improvement
          Components: jackrabbit-core
            Reporter: Thomas Mueller


If an application opens many sessions and doesn't close them, they are never garbage collected.
After some time, the virtual machine will run out of memory. This code will run out of memory
after a few thousand logins:

Repository rep = new TransientRepository();
for (int i = 0; ; i++) {
  rep.login(new SimpleCredentials("", new char[0]));
}

Using a finalizer to close SessionImpl doesn't work, because it seems there are references
from the (hard referenced part of the cache) to the SessionImpl objects. Maybe it is possible
to remove those references, or change them to weak references.


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