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Re: [jgit-dev] stack overflow in branch deletion

On 03/21/2012 07:49 AM, Markus Duft wrote:
> Hey
> 
> i just noticed that deleting branches with a nightly build from last week doesn't work anymore. anybody else seeing this problem?:

i tried to reproduce the problem in a debugable environment to get more information but was unable to - even with copying the repository. some not-reproducable combination of cleanup/gc/eclipse-restart also fixed the problem for my productive workspace... no idea what happened. maybe somebody could still have a look and see whether there is an obvious problem in the code i missed?

Regards,
Markus

> 
> eclipse.buildId=M20110909-1335
> java.version=1.6.0_24
> java.vendor=Sun Microsystems Inc.
> BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=en_US
> Framework arguments:  -product org.eclipse.epp.package.rcp.product
> Command-line arguments:  -os linux -ws gtk -arch x86 -product org.eclipse.epp.package.rcp.product
> 
> Error
> Wed Mar 21 07:47:53 CET 2012
> Unhandled event loop exception
> 
> org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.StackOverflowError)
> 	at org.eclipse.swt.SWT.error(SWT.java:4282)
> 	at org.eclipse.swt.SWT.error(SWT.java:4197)
> 	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:138)
> 	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3563)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3212)
> 	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
> 	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
> 	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
> 	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
> 	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
> 	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
> 	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
> 	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:616)
> 	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
> 	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
> 	at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
> 	at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
> Caused by: java.lang.StackOverflowError
> 	at sun.nio.cs.UTF_8$Encoder.encodeLoop(UTF_8.java:466)
> 	at java.nio.charset.CharsetEncoder.encode(CharsetEncoder.java:561)
> 	at java.lang.StringCoding$StringEncoder.encode(StringCoding.java:257)
> 	at java.lang.StringCoding.encode(StringCoding.java:289)
> 	at java.lang.String.getBytes(String.java:954)
> 	at java.io.UnixFileSystem.getLastModifiedTime(Native Method)
> 	at java.io.File.lastModified(File.java:843)
> 	at org.eclipse.jgit.storage.file.FileSnapshot.isModified(FileSnapshot.java:150)
> 	at org.eclipse.jgit.storage.file.RefDirectory.getPackedRefs(RefDirectory.java:713)
> 	at org.eclipse.jgit.storage.file.RefDirectory.getRef(RefDirectory.java:270)
> 	at org.eclipse.jgit.lib.Repository.getRef(Repository.java:765)
> 	at org.eclipse.egit.core.internal.indexdiff.IndexDiffCacheEntry$2.onRefsChanged(IndexDiffCacheEntry.java:88)
> 	at org.eclipse.jgit.events.RefsChangedEvent.dispatch(RefsChangedEvent.java:55)
> 	at org.eclipse.jgit.events.RefsChangedEvent.dispatch(RefsChangedEvent.java:1)
> 	at org.eclipse.jgit.events.ListenerList.dispatch(ListenerList.java:120)
> 	at org.eclipse.jgit.lib.Repository.fireEvent(Repository.java:152)
> 	at org.eclipse.jgit.storage.file.RefDirectory.fireRefsChanged(RefDirectory.java:936)
> 	at org.eclipse.jgit.storage.file.RefDirectory.getRef(RefDirectory.java:279)
> 	at org.eclipse.jgit.lib.Repository.getRef(Repository.java:765)
> 	at org.eclipse.egit.core.internal.indexdiff.IndexDiffCacheEntry$2.onRefsChanged(IndexDiffCacheEntry.java:88)
> 	at org.eclipse.jgit.events.RefsChangedEvent.dispatch(RefsChangedEvent.java:55)
> 	at org.eclipse.jgit.events.RefsChangedEvent.dispatch(RefsChangedEvent.java:1)
> 	at org.eclipse.jgit.events.ListenerList.dispatch(ListenerList.java:120)
> 	at org.eclipse.jgit.lib.Repository.fireEvent(Repository.java:152)
> 	at org.eclipse.jgit.storage.file.RefDirectory.fireRefsChanged(RefDirectory.java:936)
> 	at org.eclipse.jgit.storage.file.RefDirectory.getRef(RefDirectory.java:279)
> 	at org.eclipse.jgit.lib.Repository.getRef(Repository.java:765)
> 	at org.eclipse.egit.core.internal.indexdiff.IndexDiffCacheEntry$2.onRefsChanged(IndexDiffCacheEntry.java:88)
> 	at org.eclipse.jgit.events.RefsChangedEvent.dispatch(RefsChangedEvent.java:55)
> 	at org.eclipse.jgit.events.RefsChangedEvent.dispatch(RefsChangedEvent.java:1)
> 	at org.eclipse.jgit.events.ListenerList.dispatch(ListenerList.java:120)
> 	at org.eclipse.jgit.lib.Repository.fireEvent(Repository.java:152)
> 	at org.eclipse.jgit.storage.file.RefDirectory.fireRefsChanged(RefDirectory.java:936)
> 	at org.eclipse.jgit.storage.file.RefDirectory.getRef(RefDirectory.java:279)
> 	at org.eclipse.jgit.lib.Repository.getRef(Repository.java:765)
> 	at org.eclipse.egit.core.internal.indexdiff.IndexDiffCacheEntry$2.onRefsChanged(IndexDiffCacheEntry.java:88)
> 	at org.eclipse.jgit.events.RefsChangedEvent.dispatch(RefsChangedEvent.java:55)
> 	at org.eclipse.jgit.events.RefsChangedEvent.dispatch(RefsChangedEvent.java:1)
> 	at org.eclipse.jgit.events.ListenerList.dispatch(ListenerList.java:120)
> 	at org.eclipse.jgit.lib.Repository.fireEvent(Repository.java:152)
> 	at org.eclipse.jgit.storage.file.RefDirectory.fireRefsChanged(RefDirectory.java:936)
> 	at org.eclipse.jgit.storage.file.RefDirectory.getRef(RefDirectory.java:279)
> 	at org.eclipse.jgit.lib.Repository.getRef(Repository.java:765)
> 	at org.eclipse.egit.core.internal.indexdiff.IndexDiffCacheEntry$2.onRefsChanged(IndexDiffCacheEntry.java:88)
> 	at org.eclipse.jgit.events.RefsChangedEvent.dispatch(RefsChangedEvent.java:55)
> 	at org.eclipse.jgit.events.RefsChangedEvent.dispatch(RefsChangedEvent.java:1)
> 	at org.eclipse.jgit.events.ListenerList.dispatch(ListenerList.java:120)
> 	at org.eclipse.jgit.lib.Repository.fireEvent(Repository.java:152)
> 	at org.eclipse.jgit.storage.file.RefDirectory.fireRefsChanged(RefDirectory.java:936)
> 	at org.eclipse.jgit.storage.file.RefDirectory.getRef(RefDirectory.java:279)
> 	at org.eclipse.jgit.lib.Repository.getRef(Repository.java:765)
> 	at org.eclipse.egit.core.internal.indexdiff.IndexDiffCacheEntry$2.onRefsChanged(IndexDiffCacheEntry.java:88)
> 	at org.eclipse.jgit.events.RefsChangedEvent.dispatch(RefsChangedEvent.java:55)
> 	at org.eclipse.jgit.events.RefsChangedEvent.dispatch(RefsChangedEvent.java:1)
> 	at org.eclipse.jgit.events.ListenerList.dispatch(ListenerList.java:120)
> 	at org.eclipse.jgit.lib.Repository.fireEvent(Repository.java:152)
> 	at org.eclipse.jgit.storage.file.RefDirectory.fireRefsChanged(RefDirectory.java:936)
> 	at org.eclipse.jgit.storage.file.RefDirectory.getRef(RefDirectory.java:279)
> 	at org.eclipse.jgit.lib.Repository.getRef(Repository.java:765)
> 	at org.eclipse.egit.core.internal.indexdiff.IndexDiffCacheEntry$2.onRefsChanged(IndexDiffCacheEntry.java:88)
> 	at org.eclipse.jgit.events.RefsChangedEvent.dispatch(RefsChangedEvent.java:55)
> 	at org.eclipse.jgit.events.RefsChangedEvent.dispatch(RefsChangedEvent.java:1)
> 	at org.eclipse.jgit.events.ListenerList.dispatch(ListenerList.java:120)
> 	at org.eclipse.jgit.lib.Repository.fireEvent(Repository.java:152)
> 	...
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