[jbosstools-issues] [JBoss JIRA] (JBIDE-14356) GC overhead limit exceeded when adding fileset to LiveReload Server

[Rob Stryker (JIRA)]

    [ https://issues.jboss.org/browse/JBIDE-14356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12774654#comment-12774654 ] 

Rob Stryker commented on JBIDE-14356:
-------------------------------------

looking into it
                
> GC overhead limit exceeded when adding fileset to LiveReload Server
> -------------------------------------------------------------------
>
>                 Key: JBIDE-14356
>                 URL: https://issues.jboss.org/browse/JBIDE-14356
>             Project: Tools (JBoss Tools)
>          Issue Type: Feature Request
>          Components: livereload
>            Reporter: Stian Thorgersen
>            Assignee: Rob Stryker
>
> When creating a LiveReload Server and adding a fileset Eclipse hangs consuming a lot of CPU. Eventually the error message "Unhandled event loop exception / GC overhead limit exceeded" is displayed.
> From the stack trace while this is going the only interesting thread is:
> {code}
> "main" prio=10 tid=0x00007ff9a0009800 nid=0x22c2 runnable [0x00007ff9a81fe000]
>    java.lang.Thread.State: RUNNABLE
>         at org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(Native Method)
>         at org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(OS.java:8654)
>         at org.eclipse.swt.widgets.Display.eventProc(Display.java:1243)
>         at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method)
>         at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS.java:2283)
>         at org.eclipse.swt.widgets.Shell.setVisible(Shell.java:2153)
>         at org.eclipse.swt.widgets.Shell.open(Shell.java:1546)
>         at org.eclipse.jface.window.Window.open(Window.java:798)
>         at org.eclipse.ui.internal.statushandlers.InternalDialog.open(InternalDialog.java:327)
>         at org.eclipse.ui.internal.statushandlers.WorkbenchStatusDialogManagerImpl.doAddStatusAdapter(WorkbenchStatusDialogManagerImpl.java:270)
>         at org.eclipse.ui.internal.statushandlers.WorkbenchStatusDialogManagerImpl.addStatusAdapter(WorkbenchStatusDialogManagerImpl.java:197)
>         at org.eclipse.ui.statushandlers.WorkbenchStatusDialogManager.addStatusAdapter(WorkbenchStatusDialogManager.java:156)
>         at org.eclipse.ui.statushandlers.WorkbenchErrorHandler.showStatusAdapter(WorkbenchErrorHandler.java:101)
>         at org.eclipse.ui.statushandlers.WorkbenchErrorHandler.handle(WorkbenchErrorHandler.java:57)
>         at org.eclipse.ui.internal.ide.IDEWorkbenchErrorHandler.handle(IDEWorkbenchErrorHandler.java:106)
>         at org.eclipse.ui.internal.WorkbenchErrorHandlerProxy.handle(WorkbenchErrorHandlerProxy.java:36)
>         at org.eclipse.ui.statushandlers.StatusManager.handle(StatusManager.java:189)
>         at org.eclipse.ui.statushandlers.StatusManager.handle(StatusManager.java:231)
>         at org.eclipse.ui.statushandlers.StatusManager.handle(StatusManager.java:242)
>         at org.eclipse.ui.application.WorkbenchAdvisor.eventLoopException(WorkbenchAdvisor.java:326)
>         at org.eclipse.ui.internal.ExceptionHandler.handleException(ExceptionHandler.java:65)
>         at org.eclipse.jface.window.Window.runEventLoop(Window.java:830)
>         at org.eclipse.jface.window.Window.open(Window.java:802)
>         at org.jboss.ide.eclipse.archives.webtools.filesets.FilesetActionProvider$1.run(FilesetActionProvider.java:202)
>         at org.eclipse.jface.action.Action.runWithEvent(Action.java:499)
>         at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
>         at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
>         at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
>         at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
>         at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1392)
>         at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3717)
>         at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3338)
>         at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1108)
>         at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
>         at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:992)
>         at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:137)
>         at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:600)
>         at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
>         at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:555)
>         at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
>         at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
>         at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
>         at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
>         at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
>         at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)
>         at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:601)
>         at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)
>         at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
>         at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
>         at org.eclipse.equinox.launcher.Main.main(Main.java:1426)
> {code}
> I'm running:
> * Eclipse Kepler M6 with JBoss Tools 4.1 Alpha 2
> * OpenJDK 1.7.0_21
> * Ubuntu 13.04
> To reproduce create a new LiveReload server. Expand it, right click on 'Filesets' and select 'Create New File Filter'. Then write '/' in 'Root Directory'. Observe that Eclipse now consumes ~100% cpu on all available cores. Wait for a few minutes and the error message mentioned earlier should be displayed

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