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From "Maarten Smit (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SSHD-188) Session timeout doesn't call destroy() from InvertedShell
Date Tue, 18 Sep 2012 17:32:08 GMT

    [ https://issues.apache.org/jira/browse/SSHD-188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13457975#comment-13457975
] 

Maarten Smit commented on SSHD-188:
-----------------------------------

Ah, I understand. Did you try connecting to mina sshd through putty and test the timeout?
Or could you let me know how to programmatically increase the log level?
                
> Session timeout doesn't call destroy() from InvertedShell
> ---------------------------------------------------------
>
>                 Key: SSHD-188
>                 URL: https://issues.apache.org/jira/browse/SSHD-188
>             Project: MINA SSHD
>          Issue Type: Bug
>         Environment: Windows, Linux
>            Reporter: Maarten Smit
>              Labels: close, destroy,, idle,, shell, timeout,
>
> When creating the ssh server I have this:
> sshd.setShellFactory(new PseudoTerminalFactory("/system/bin/sh", "-i"));
> The PseudoTerminalFactory has this:
>     @Override
>     public Command create() {
>         return new InvertedShellWrapper(new PseudoTerminal());
>     }
> And the "PseudoTerminal implements InvertedShell" contains the following
> functions:
> destroy()
> exitValue()
> getErrorStream()
> getInputStream()
> getOutputStream()
> isAlive()
> start(Map<String, String> env)
> Now here is the thing, when a session is created and the user:
> - closes it
> - or the server is stopped
> The destroy and exitValue functions are being called. In the destroy
> function we stop the shell process (which is started in the start function).
> However, if a user has a shell connection and doesn't do anything, default
> after 10 minutes the idletimeout will have passed and the user gets a
> timeout error and gets disconnected. HOWEVER, after that the destroy and
> exitValue are never called, so the isAlive function will continue being
> called (always returns true till the destroy function is called) and we
> will have an endless running thread.
> Next time we start the server we get an error the port is in use, etc. And
> all the time the checking of isAlive of that session will just continue.

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