[jira] Commented: (FTPSERVER-241) Socket file descriptors leak leading to "Too Many Files Open" using FTP/S

["Niklas Gustavsson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FTPSERVER-241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12656478#action_12656478 ] 

Niklas Gustavsson commented on FTPSERVER-241:
---------------------------------------------

I should say that I've only tested this on Linux, if someone could test it on Windows, that would be great!

> 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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