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From "Kapil Thangavelu (JIRA)" <j...@apache.org>
Subject [jira] Created: (ZOOKEEPER-768) zkpython segfault (assertion error in io thread)
Date Thu, 06 May 2010 16:07:48 GMT
zkpython segfault (assertion error in io thread)

                 Key: ZOOKEEPER-768
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-768
             Project: Zookeeper
          Issue Type: Bug
          Components: contrib-bindings
    Affects Versions: 3.4.0
         Environment: ubuntu lucid (10.04), zookeeper trunk (java/c/zkpython)
            Reporter: Kapil Thangavelu
         Attachments: zkpython-segfault-stack-traces.txt, zkpython-segfault.py

While trying to create a test case showing slow average add_auth, i stumbled upon a test case
that reliably segfaults for me, albeit with variable amount of iterations (anwhere from 2
to 20). fwiw, I've got about 220 processes in my test environment (ubuntu lucid 10.04). The
test case opens a connection, adds authentication to it, and closes the connection, in a loop.
I'm including the sample program and the gdb stack traces from the core file. I can upload
the core file if thats helpful.

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