[jbosstools-issues] [JBoss JIRA] (JBIDE-20707) Forge runs out of inotify watches on Fedora 21

[Jan Richter (JIRA)]

Jan Richter created JBIDE-20707:
-----------------------------------

             Summary: Forge runs out of inotify watches on Fedora 21
                 Key: JBIDE-20707
                 URL: https://issues.jboss.org/browse/JBIDE-20707
             Project: Tools (JBoss Tools)
          Issue Type: Bug
          Components: forge
    Affects Versions: 4.3.0.CR1
            Reporter: Jan Richter


Starting Forge on Fedora 21 produces the following error:

{noformat}
WARNING: File monitoring could not be started.
16:41:20 java.io.IOException: User limit of inotify instances reached or too many open files
16:41:20 	at sun.nio.fs.LinuxWatchService.<init>(LinuxWatchService.java:64)
16:41:20 	at sun.nio.fs.LinuxFileSystem.newWatchService(LinuxFileSystem.java:47)
16:41:20 	at org.jboss.forge.furnace.impl.FurnaceImpl.<init>(FurnaceImpl.java:152)
16:41:20 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
16:41:20 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
16:41:20 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
16:41:20 	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
16:41:20 	at java.lang.Class.newInstance(Class.java:442)
16:41:20 	at org.jboss.forge.furnace.se.FurnaceFactory.getInstance(FurnaceFactory.java:63)
16:41:20 	at org.jboss.tools.forge.core.furnace.FurnaceProvider.createFurnace(FurnaceProvider.java:78)
16:41:20 	at org.jboss.tools.forge.core.furnace.FurnaceProvider.startFurnace(FurnaceProvider.java:110)
16:41:20 	at org.jboss.tools.forge.core.furnace.FurnaceRuntime.start(FurnaceRuntime.java:80)
16:41:20 	at org.jboss.tools.forge.ui.util.ForgeHelper$1.runInWorkspace(ForgeHelper.java:52)
16:41:20 	at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:39)
16:41:20 	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
{noformat}
Forge then refuses to start properly, Eclipse gets stuck on the launching forge progress dialog. The inotify watch limit is set to default (8192 I think) which really should be enough.

So far we established, that this happens on Fedora 21 or occasionally on 20 (which is not supported anymore). 



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