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https://issues.apache.org/jira/browse/FTPSERVER-241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Niklas Gustavsson closed FTPSERVER-241.
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Resolution: Fixed
Assignee: Niklas Gustavsson
Thanks a lot for the test script and ambitious debugging. I had an easy time
reproducing the bug. The workaround has been implemented and the file handle
count is now consistent below 10 when using the test case program. Commited in
rev 726546. Please verify and re-open if this doesn't solve your problem Fred.
> Socket file descriptors leak leading to "Too Many Files Open" using FTP/S
> -------------------------------------------------------------------------
>
> Key: FTPSERVER-241
> URL: https://issues.apache.org/jira/browse/FTPSERVER-241
> Project: FtpServer
> Issue Type: Bug
> Components: Server
> Affects Versions: 1.0.0-M2
> Environment: Linux & Win + JRE newer than 1.5.0_11
> Reporter: Fred Moore
> Assignee: Niklas Gustavsson
> Fix For: 1.0.0-RC1
>
> Attachments: FDLeakBase.java, FDLeakBaseM4.java, TestKO.java,
> TestOK.java
>
>
> This documented JVM bug "SSLServerSocket file descriptor leak"
> (http://bugs.sun.com/view_bug.do?bug_id=6764972) affects FTPServer in FTP/S
> mode and eventually leads to a "Too Many Files Open" condition on Linux (and
> equivalent platform-dependent condition on windows).
> For workaround hints see:
> http://www.nabble.com/-security-dev-00402-:-Re:-NullPointerException-at%09sun.security.ssl.OutputRecord.writeBuffer-td20492154.html
> See also this discussion thread on FTPServer mailing list:
> http://mail-archives.apache.org/mod_mbox/mina-ftpserver-users/200812.mbox/browser
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