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From "Michael Han (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ZOOKEEPER-2498) Potential resource leak in C client when processing unexpected / out of order response
Date Wed, 03 Aug 2016 05:01:20 GMT
Michael Han created ZOOKEEPER-2498:
--------------------------------------

             Summary: Potential resource leak in C client when processing unexpected / out
of order response
                 Key: ZOOKEEPER-2498
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2498
             Project: ZooKeeper
          Issue Type: Bug
          Components: c client
    Affects Versions: 3.5.2, 3.4.8
            Reporter: Michael Han
            Assignee: Michael Han
             Fix For: 3.4.9, 3.5.3


In C client, we use reference counting to decide if a given zh handle can be destroyed or
not. This requires we always make sure to call api_prolog (which increment the counter) and
api_epilog (which decrease the counter) in pairs, for a given call context. 

In zookeeper_process, there is a place where the code will return without invoking api_epilog,
which would lead to potential zh resource leak.



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