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Posted to dev@mina.apache.org by "Oliver Stöneberg (JIRA)" <ji...@apache.org> on 2016/01/28 15:31:39 UTC

[jira] [Created] (SSHD-635) potential hang in AuthFuture.verify(Long.MAX_VALUE) on error

Oliver Stöneberg created SSHD-635:
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             Summary: potential hang in AuthFuture.verify(Long.MAX_VALUE) on error
                 Key: SSHD-635
                 URL: https://issues.apache.org/jira/browse/SSHD-635
             Project: MINA SSHD
          Issue Type: Bug
            Reporter: Oliver Stöneberg


It appears that after the SshClient.connect().verify() call was successful the ClientSession.auth().verify() call might hang if the connection was closed in-between those calls. If AuthFuture.verify() is called with a timeout it correctly times out, but I would expect it to detect that the connection is closed/closing and throw a proper error even without the timeout.

The errors I see in the log are these (more completel log attached):
DEBUG [sshd-SshClient[329a1f8d]-nio2-thread-5] (Nio2Session.java:137) Caught IOException[An established connection was aborted by the software in your host machine] - calling handler
DEBUG [sshd-SshClient[329a1f8d]-nio2-thread-5] (Nio2Session.java:142) Exception handler threw IllegalStateException, closing the session: No session available

It's hard to debug for me since it only happens in a multi-threaded scenario and I haven't been able to generate separate logs per session (is this even possible?)



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