[jira] [Created] (KARAF-7190) SSH session not properly closed by Karaf

["Nicolas Dutertry (Jira)" <ji...@apache.org>]

Nicolas Dutertry created KARAF-7190:
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             Summary: SSH session not properly closed by Karaf
                 Key: KARAF-7190
                 URL: https://issues.apache.org/jira/browse/KARAF-7190
             Project: Karaf
          Issue Type: Bug
          Components: karaf
    Affects Versions: 4.3.2, 4.2.11
            Reporter: Nicolas Dutertry


After using « client » script, the tcp socket is not closed by Karaf and remains in CLOSE_WAIT state. The session is only closed after ssh timeout is reached.

 

For instance with a SSH timeout set to 30 s :
{code:java}
$ ./client “bundle:list”
 
$ netstat | grep 8101
tcp6       0      0 localhost:8101          localhost:47844         CLOSE_WAIT
 
$ tail karaf.log
INFO  | sshd-SshServer[2f716f77](port=8101)-nio2-thread-1 | ServerSessionImpl                | 46 - org.apache.sshd.osgi - 2.5.1 | Session karaf@/127.0.0.1:47844 authenticated
INFO  | sshd-SshServer[2f716f77](port=8101)-timer-thread-1 | ServerSessionImpl                | 46 - org.apache.sshd.osgi - 2.5.1 | Disconnecting(ServerSessionImpl[karaf@/127.0.0.1:47844]): SSH2_DISCONNECT_PROTOCOL_ERROR - Detected IdleTimeout after 30415/30000 ms.{code}
The issue is the same with:
{code:java}
 $ bin/client{code}
And then CTRL-D

 



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