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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=15198

TelnetAppender: NullPointerException if SocketHandler not initialized

           Summary: TelnetAppender: NullPointerException if SocketHandler
                    not initialized
           Product: Log4j
           Version: 1.2
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Appender
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]


The TelnetAppender creates an instance of an inner class 
called "SocketHandler".  In some cases this can be null (for example, if the 
port is not set).  As a result, it throws a NullPointerException when append() 
is called.

To fix this problem, the "append()" method should first check to see if the 
variable "sh" is null before proceeding.

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