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commit ae2f40f9ee7db5b43fb2b37933c38e792e038127
Author: Stefan Rossbach <[email protected]>
Date: Thu Apr 4 20:05:16 2013 +0200
[INTERNAL] fixed dead locks
After upgrading the PICO library new issues are
revealed that led to dead locks because of internal
changes to the PICO library.
This patch currently address the dead locking but
not the real cause (multiple threads accesses
different methods in the SarosSession class that
should be mutually exclusive).
"main" prio=10 tid=0x0928c400 nid=0x7968 waiting for monitor entry
[0xb6c68000]
java.lang.Thread.State: BLOCKED (on object monitor)
at
org.picocontainer.DefaultPicoContainer.addOrderedComponentAdapter(DefaultPicoContainer.java:566)
- waiting to lock <0x6953cfe8> (a
org.picocontainer.DefaultPicoContainer)
at
org.picocontainer.DefaultPicoContainer.getInstance(DefaultPicoContainer.java:702)
at
org.picocontainer.DefaultPicoContainer.getComponent(DefaultPicoContainer.java:645)
at
org.picocontainer.DefaultPicoContainer.getComponent(DefaultPicoContainer.java:670)
at
de.fu_berlin.inf.dpp.project.internal.SarosSession.getSequencer(SarosSession.java:398)
at
de.fu_berlin.inf.dpp.project.internal.SarosSession.removeUser(SarosSession.java:552)
at
de.fu_berlin.inf.dpp.net.business.LeaveAndKickHandler$5.run(LeaveAndKickHandler.java:164)
at de.fu_berlin.inf.dpp.util.Utils$3.run(Utils.java:211)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at
org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134)
- locked <0x6a987930> (a org.eclipse.swt.widgets.RunnableLock)
at
org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3515)
at
org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3164)
at
org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
at
org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
at
org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at
org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
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:369)
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:619)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
at org.eclipse.equinox.launcher.Main.main(Main.java:1383)
"Worker-9" prio=10 tid=0xb1263c00 nid=0x384 in Object.wait()
[0xb171c000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x6aa9d5f8> (a org.eclipse.ui.internal.Semaphore)
at org.eclipse.ui.internal.Semaphore.acquire(Semaphore.java:43)
- locked <0x6aa9d5f8> (a org.eclipse.ui.internal.Semaphore)
at
org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:168)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4282)
at
de.fu_berlin.inf.dpp.ui.util.SWTUtils.runSafeSWTSync(SWTUtils.java:187)
at
de.fu_berlin.inf.dpp.editor.EditorManager$2.unblock(EditorManager.java:208)
at
de.fu_berlin.inf.dpp.synchronize.StopManager.lockSession(StopManager.java:390)
at
de.fu_berlin.inf.dpp.synchronize.StopManager.sessionStopped(StopManager.java:520)
at
de.fu_berlin.inf.dpp.synchronize.StopManager.stop(StopManager.java:566)
at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at
org.picocontainer.lifecycle.StartableLifecycleStrategy.doLifecycleMethod(StartableLifecycleStrategy.java:101)
at
org.picocontainer.lifecycle.StartableLifecycleStrategy.stopComponent(StartableLifecycleStrategy.java:113)
at
org.picocontainer.lifecycle.StartableLifecycleStrategy.stop(StartableLifecycleStrategy.java:126)
at
org.picocontainer.injectors.AbstractInjectionFactory$LifecycleAdapter.stop(AbstractInjectionFactory.java:88)
at
org.picocontainer.behaviors.AbstractBehavior.stop(AbstractBehavior.java:179)
at
org.picocontainer.behaviors.Stored$RealComponentLifecycle.stop(Stored.java:141)
at org.picocontainer.behaviors.Stored.stop(Stored.java:118)
at
org.picocontainer.DefaultPicoContainer.stopAdapters(DefaultPicoContainer.java:1036)
at
org.picocontainer.DefaultPicoContainer.stop(DefaultPicoContainer.java:791)
- locked <0x6953cfe8> (a org.picocontainer.DefaultPicoContainer)
at
de.fu_berlin.inf.dpp.project.internal.SarosSession.stop(SarosSession.java:654)
at
de.fu_berlin.inf.dpp.project.SarosSessionManager.stopSarosSession(SarosSessionManager.java:295)
at
de.fu_berlin.inf.dpp.invitation.IncomingProjectNegotiation.executeCancellation(IncomingProjectNegotiation.java:572)
at
de.fu_berlin.inf.dpp.invitation.CancelableProcess.terminateProcess(CancelableProcess.java:277)
- locked <0x69f01b30> (a
de.fu_berlin.inf.dpp.invitation.IncomingProjectNegotiation)
at
de.fu_berlin.inf.dpp.invitation.IncomingProjectNegotiation.accept(IncomingProjectNegotiation.java:271)
at
de.fu_berlin.inf.dpp.ui.wizards.AddProjectToSessionWizard$3.run(AddProjectToSessionWizard.java:280)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
Change-Id: I89886b3532f85f5f3dc33c3be0a26c85e9f57e26
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/712
Tested-by: Jenkins CI
Reviewed-by: Stefan Rossbach <[email protected]>
-----------------------------------------------------------------------
Summary of changes:
.../inf/dpp/project/internal/SarosSession.java | 24 +++++++++++++++-----
1 files changed, 18 insertions(+), 6 deletions(-)
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