File Leak Detector Plugin

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Plugin Information

Plugin ID file-leak-detector Changes In Latest Release
Since Latest Release
Latest Release
Latest Release Date
Required Core
1.4 (archives)
Jun 08, 2015
Source Code
Issue Tracking
Pull Requests
Open Issues
Pull Requests
n/a (id: jglick)
Usage Installations 2014-Nov 298
2014-Dec 272
2015-Jan 288
2015-Feb 296
2015-Mar 310
2015-Apr 309
2015-May 296
2015-Jun 309
2015-Jul 320
2015-Aug 305
2015-Sep 321
2015-Oct 314

Runtime diagnosis tool for "too many open files" problem.

This plugin watches file descriptor open/close activities of JVM and allow you to see the list of what's currently opened, and Java call stack that opened the file. If you are suffering from the too many open files problem, this report enables the developers to fix the leak.


This plugin adds "Open File Handles" item in the "Manage Jenkins" page. Go to this page and click "activate" button to activate the monitoring. Once this is done, a Java agent is installed on the JVM and starts monitoring new file open/close activities. Revisit the "Open File Handles" page and you'll see the currently opened files.

To help the developers, activate this, and let Jenkins run for a while, then come back and capture the report and attach it to a ticket. Do get a few reports with intervals of 10 mins or so, so that we can distinguish real leaks from false positives.


Version 1.4 (Jun 08, 2015)

  • Metadata fixed.

Version 1.3 (Sep 11, 2013)

  • ?

Version 1.2 (Apr 3, 2012)

  • Improved the compatibility with the monitoring plugin by forking a separate JVM to do the attachment.

Version 1.1 (Apr 3, 2012)

  • First public release


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