[jira] Closed: (NET-84) [net] TelnetClient#disconnect() causes NullPointerException from Linux when connected to Windows 2000 Telnet Server

["Rory Winston (JIRA)" <ji...@apache.org>]

     [ http://issues.apache.org/jira/browse/NET-84?page=all ]

Rory Winston closed NET-84.
---------------------------

    Fix Version/s: 2.0
       Resolution: Fixed

Fixed in 2.0

> [net] TelnetClient#disconnect() causes NullPointerException from Linux when connected to Windows 2000 Telnet Server
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: NET-84
>                 URL: http://issues.apache.org/jira/browse/NET-84
>             Project: Commons Net
>          Issue Type: Bug
>    Affects Versions: 1.1.0
>         Environment: Operating System: Linux
> Platform: PC
>            Reporter: Clark E. Archer
>             Fix For: 2.0
>
>         Attachments: disconnect_npe_patch.txt
>
>
> When calling TelnetClient#disconnect(), a NullPointerException is thrown because
> either __input or __output is already null.  After fixing my working copy of the
> source, an additional NPE is thrown in SocketClient#disconnect() because the
> _socket_ variable is already null.  I've patched both files to check for null of
> the affected intasnce variables before calling the close() methods and will be
> submitting a patch.

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