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[equinox-dev] Equinox leaking file descriptors

Hi,

We've lately started to get more and more reports about users on Linux systems that they were running out of file descriptors.

Initially we thought we were having a resource leak but after investigating it turns out that the culprit is a combination of https://bugs.eclipse.org/bugs/show_bug.cgi?id=138182
and that over time Eclipse default distros have grown to contain *alot* of jars - getting very close to the default limit of 1000 filedescriptors on most linux distros.

The problem is that org.eclipse.osgi.baseadaptor.bundlefile.ZipBundleFile opens jarred plugins files and doesn't close it until shutdown.

And that happens for *all* jars when you run with -clean or after a new install/update.

The various bugs discussing this all says  to use osgi.bundlefile.limit which in Eclipse 3.7 defaults to 100 - but that does not seem to help in this case 
since its only checked/used from within org.eclipse.osgi.baseadaptor.bundlefile.ZipBundleEntry as far as we can see.

Is there any plans/known workarounds to avoid this problem ? (beyond telling every linux user he needs to call ulimit -n 2048 or similar if he wants to use eclipse with more than
the base plugins?)

Thank you,
/max
http://about.me/maxandersen