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From "Sandeep Tamhankar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HTTPCORE-298) SSLIOSession state can get out of sync with underlying IOSession state
Date Tue, 01 May 2012 23:52:49 GMT
Sandeep Tamhankar created HTTPCORE-298:

             Summary: SSLIOSession state can get out of sync with underlying IOSession state
                 Key: HTTPCORE-298
                 URL: https://issues.apache.org/jira/browse/HTTPCORE-298
             Project: HttpComponents HttpCore
          Issue Type: Bug
          Components: HttpCore NIO
    Affects Versions: 4.1.4
         Environment: observed on Ubuntu 10.0.4, but I think it could happen anywhere
            Reporter: Sandeep Tamhankar

Under heavy load, I've observed my application call SSLIOSession.isClosed() to decide if the
connection can be reused for a pending outbound request. It returns false. However, the underlying
IOSessionImpl is actually closed. I believe that AbstractIOReactor also holds a reference
to that underlying IOSession and it can be independently closed from that end.

My proposed fix is simple (and very non-invasive, but possibly not correct in that I don't
have the SSLIOSession update its state upon discovering that the underlying IOSession is closed):
update SSLIOSession.isClosed as followed:
    public boolean isClosed() {
        return this.status >= CLOSING || this.session.isClosed();

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