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From "Andreas Haufler (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FTPSERVER-438) Server logs a lot of warnings (Releasing unreserved passive port: ...) when using passive mode
Date Tue, 27 Nov 2012 19:59:57 GMT
Andreas Haufler created FTPSERVER-438:
-----------------------------------------

             Summary: Server logs a lot of warnings (Releasing unreserved passive port: ...)
when using passive mode
                 Key: FTPSERVER-438
                 URL: https://issues.apache.org/jira/browse/FTPSERVER-438
             Project: FtpServer
          Issue Type: Bug
          Components: Core
    Affects Versions: 1.0.6
            Reporter: Andreas Haufler
            Priority: Minor


When using passive mode without specifiying any port or port range a lot of warning are output
like this:
[ WARN] 2012-11-27 20:50:56,717 [admin] [127.0.0.1] Releasing unreserved passive port: 53835

This is caused by PassivePorts#reserveNextPort() which always returns 0. But then, PassivePorts#releasePort(int)
is confused about the given port which is not contained in the usedList.

Maybe this warning should be disabled when the usedList only contains "0".

To recreate this "bug" simply download the 1.0.6 version and start the server with the typical
config. Fire up an ftp client, switch to passive mode and put a file. The log now contains
the described error message.

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