Attachment 285325 Details for Bug 570484 – thread dumps generated by jstack at the freeze time

thread dumps generated by jstack at the freeze time

jstack.out.txt (text/plain), 34.86 KB, created by Francesco Zambon

on 2021-01-20 05:35:50 EST

(hide)

Description:

Filename:

MIME Type:

Creator: Francesco Zambon

Created: 2021-01-20 05:35:50 EST

Size: 34.86 KB

patch

obsolete

>2021-01-20 11:25:05
>Full thread dump OpenJDK 64-Bit Server VM (15.0.1+9-18 mixed mode):
>
>Threads class SMR info:
>_java_thread_list=0x000002845939ef10, length=42, elements={
>0x000002842fb9e100, 0x0000028442a3e350, 0x0000028442a3ea40, 0x000002844f3b7bc0,
>0x000002844f3ba0a0, 0x000002844f3bec90, 0x000002844f3c15a0, 0x000002844f3c70c0,
>0x000002844f3d8ad0, 0x00000284429e9f10, 0x000002844f66baa0, 0x000002845087ae30,
>0x000002845087b320, 0x000002844f653360, 0x00000284507dc420, 0x000002845362bbb0,
>0x000002845362c080, 0x000002845362c550, 0x0000028453629530, 0x0000028455880a80,
>0x000002845587f740, 0x000002845587eda0, 0x0000028455882290, 0x00000284558818f0,
>0x0000028455881dc0, 0x00000284558800e0, 0x000002845587c720, 0x0000028455881420,
>0x0000028455882760, 0x00000284558805b0, 0x00000284531a2490, 0x00000284531a1150,
>0x00000284531a7190, 0x00000284531a7660, 0x00000284531a4b10, 0x00000284531a6320,
>0x00000284531a2960, 0x00000284531a0c80, 0x00000284531a54b0, 0x000002845587d590,
>0x00000284531a5e50, 0x00000284531a02e0
>}
>
>"main" #1 prio=6 os_prio=0 cpu=24375.00ms elapsed=172.20s tid=0x000002842fb9e100 nid=0x27f0 runnable  [0x000000cfdb1fc000]
>   java.lang.Thread.State: RUNNABLE
>	at org.eclipse.swt.internal.win32.OS.WaitMessage(Native Method)
>	at org.eclipse.swt.widgets.Display.sleep(Display.java:4709)
>	at org.eclipse.jface.operation.ModalContext$ModalContextThread.block(ModalContext.java:167)
>	at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:368)
>	at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:468)
>	at org.eclipse.jdt.internal.ui.refactoring.RefactoringExecutionHelper.perform(RefactoringExecutionHelper.java:187)
>	at org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter.startCleanupRefactoring(RefactoringExecutionStarter.java:248)
>	at org.eclipse.jdt.internal.ui.actions.CleanUpAction.performRefactoring(CleanUpAction.java:94)
>	at org.eclipse.jdt.internal.ui.actions.CleanUpAction.runOnMultiple(CleanUpAction.java:209)
>	at org.eclipse.jdt.internal.ui.actions.CleanUpAction.run(CleanUpAction.java:116)
>	at org.eclipse.jdt.ui.actions.OrganizeImportsAction.run(OrganizeImportsAction.java:228)
>	at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:274)
>	at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:252)
>	at xmldecoderplugin.actions.ActionPerformed$1.run(ActionPerformed.java:88)
>	at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236)
>	at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133)
>	at org.eclipse.swt.widgets.Display.syncExec(Display.java:4742)
>	at xmldecoderplugin.actions.ActionPerformed.organizeImports(ActionPerformed.java:102)
>	at xmldecoderplugin.actions.ActionPerformed.run(ActionPerformed.java:67)
>	at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:239)
>	at org.eclipse.ui.internal.WWinPluginAction.runWithEvent(WWinPluginAction.java:218)
>	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:580)
>	at org.eclipse.jface.action.ActionContributionItem.lambda$5(ActionContributionItem.java:453)
>	at org.eclipse.jface.action.ActionContributionItem$$Lambda$359/0x000000080063f728.handleEvent(Unknown Source)
>	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
>	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4209)
>	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1037)
>	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4026)
>	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3626)
>	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157)
>	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338)
>	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046)
>	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155)
>	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644)
>	at org.eclipse.ui.internal.Workbench$$Lambda$138/0x00000008002ba158.run(Unknown Source)
>	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338)
>	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551)
>	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:156)
>	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:152)
>	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
>	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
>	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
>	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
>	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
>	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@15.0.1/Native Method)
>	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@15.0.1/NativeMethodAccessorImpl.java:64)
>	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@15.0.1/DelegatingMethodAccessorImpl.java:43)
>	at java.lang.reflect.Method.invoke(java.base@15.0.1/Method.java:564)
>	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
>	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
>	at org.eclipse.equinox.launcher.Main.run(Main.java:1461)
>	at org.eclipse.equinox.launcher.Main.main(Main.java:1434)
>
>"Reference Handler" #2 daemon prio=10 os_prio=2 cpu=0.00ms elapsed=172.16s tid=0x0000028442a3e350 nid=0x33b8 waiting on condition  [0x000000cfdb8fe000]
>   java.lang.Thread.State: RUNNABLE
>	at java.lang.ref.Reference.waitForReferencePendingList(java.base@15.0.1/Native Method)
>	at java.lang.ref.Reference.processPendingReferences(java.base@15.0.1/Reference.java:241)
>	at java.lang.ref.Reference$ReferenceHandler.run(java.base@15.0.1/Reference.java:213)
>
>"Finalizer" #3 daemon prio=8 os_prio=1 cpu=0.00ms elapsed=172.15s tid=0x0000028442a3ea40 nid=0x4738 in Object.wait()  [0x000000cfdb9fe000]
>   java.lang.Thread.State: WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at java.lang.ref.ReferenceQueue.remove(java.base@15.0.1/ReferenceQueue.java:155)
>	- locked <0x0000000701e00f48> (a java.lang.ref.ReferenceQueue$Lock)
>	at java.lang.ref.ReferenceQueue.remove(java.base@15.0.1/ReferenceQueue.java:176)
>	at java.lang.ref.Finalizer$FinalizerThread.run(java.base@15.0.1/Finalizer.java:170)
>
>"Signal Dispatcher" #4 daemon prio=9 os_prio=2 cpu=0.00ms elapsed=172.14s tid=0x000002844f3b7bc0 nid=0x3a6c runnable  [0x0000000000000000]
>   java.lang.Thread.State: RUNNABLE
>
>"Attach Listener" #5 daemon prio=5 os_prio=2 cpu=0.00ms elapsed=172.14s tid=0x000002844f3ba0a0 nid=0x4298 waiting on condition  [0x0000000000000000]
>   java.lang.Thread.State: RUNNABLE
>
>"Service Thread" #6 daemon prio=9 os_prio=0 cpu=109.38ms elapsed=172.13s tid=0x000002844f3bec90 nid=0x179c runnable  [0x0000000000000000]
>   java.lang.Thread.State: RUNNABLE
>
>"C2 CompilerThread0" #7 daemon prio=9 os_prio=2 cpu=34703.13ms elapsed=172.13s tid=0x000002844f3c15a0 nid=0x2ca0 waiting on condition  [0x0000000000000000]
>   java.lang.Thread.State: RUNNABLE
>   No compile task
>
>"C1 CompilerThread0" #10 daemon prio=9 os_prio=2 cpu=8687.50ms elapsed=172.13s tid=0x000002844f3c70c0 nid=0x13c waiting on condition  [0x0000000000000000]
>   java.lang.Thread.State: RUNNABLE
>   No compile task
>
>"Sweeper thread" #11 daemon prio=9 os_prio=2 cpu=640.63ms elapsed=172.13s tid=0x000002844f3d8ad0 nid=0x3cc0 runnable  [0x0000000000000000]
>   java.lang.Thread.State: RUNNABLE
>
>"Common-Cleaner" #12 daemon prio=8 os_prio=1 cpu=0.00ms elapsed=172.09s tid=0x00000284429e9f10 nid=0x4118 in Object.wait()  [0x000000cfdc0ff000]
>   java.lang.Thread.State: TIMED_WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at java.lang.ref.ReferenceQueue.remove(java.base@15.0.1/ReferenceQueue.java:155)
>	- locked <0x0000000701e02280> (a java.lang.ref.ReferenceQueue$Lock)
>	at jdk.internal.ref.CleanerImpl.run(java.base@15.0.1/CleanerImpl.java:148)
>	at java.lang.Thread.run(java.base@15.0.1/Thread.java:832)
>	at jdk.internal.misc.InnocuousThread.run(java.base@15.0.1/InnocuousThread.java:134)
>
>"JDWP Transport Listener: dt_socket" #13 daemon prio=10 os_prio=0 cpu=109.38ms elapsed=172.04s tid=0x000002844f66baa0 nid=0x3bec runnable  [0x0000000000000000]
>   java.lang.Thread.State: RUNNABLE
>
>"JDWP Event Helper Thread" #14 daemon prio=10 os_prio=0 cpu=46.88ms elapsed=172.04s tid=0x000002845087ae30 nid=0x36c8 runnable  [0x0000000000000000]
>   java.lang.Thread.State: RUNNABLE
>
>"JDWP Command Reader" #15 daemon prio=10 os_prio=0 cpu=0.00ms elapsed=172.04s tid=0x000002845087b320 nid=0x3ca8 runnable  [0x0000000000000000]
>   java.lang.Thread.State: RUNNABLE
>
>"Notification Thread" #16 daemon prio=9 os_prio=0 cpu=0.00ms elapsed=171.95s tid=0x000002844f653360 nid=0x1db8 runnable  [0x0000000000000000]
>   java.lang.Thread.State: RUNNABLE
>
>"Active Thread: Equinox Container: 744c2d23-562a-4b8e-b815-1e1e359541e3" #24 prio=5 os_prio=0 cpu=234.38ms elapsed=171.31s tid=0x00000284507dc420 nid=0x4448 waiting on condition  [0x000000cfdd3fe000]
>   java.lang.Thread.State: TIMED_WAITING (parking)
>	at jdk.internal.misc.Unsafe.park(java.base@15.0.1/Native Method)
>	- parking to wait for  <0x000000070213a6e0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
>	at java.util.concurrent.locks.LockSupport.parkNanos(java.base@15.0.1/LockSupport.java:252)
>	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@15.0.1/AbstractQueuedSynchronizer.java:1661)
>	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(java.base@15.0.1/ScheduledThreadPoolExecutor.java:1182)
>	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(java.base@15.0.1/ScheduledThreadPoolExecutor.java:899)
>	at java.util.concurrent.ThreadPoolExecutor.getTask(java.base@15.0.1/ThreadPoolExecutor.java:1056)
>	at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@15.0.1/ThreadPoolExecutor.java:1116)
>	at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@15.0.1/ThreadPoolExecutor.java:630)
>	at java.lang.Thread.run(java.base@15.0.1/Thread.java:832)
>
>"Framework Event Dispatcher: Equinox Container: 744c2d23-562a-4b8e-b815-1e1e359541e3" #26 daemon prio=5 os_prio=0 cpu=93.75ms elapsed=171.25s tid=0x000002845362bbb0 nid=0x2e8c in Object.wait()  [0x000000cfdd4fe000]
>   java.lang.Thread.State: WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at java.lang.Object.wait(java.base@15.0.1/Object.java:321)
>	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.getNextEvent(EventManager.java:400)
>	- locked <0x0000000702131820> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
>	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:341)
>
>"Start Level: Equinox Container: 744c2d23-562a-4b8e-b815-1e1e359541e3" #27 daemon prio=5 os_prio=0 cpu=2500.00ms elapsed=171.25s tid=0x000002845362c080 nid=0xd4 in Object.wait()  [0x000000cfdd5ff000]
>   java.lang.Thread.State: WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at java.lang.Object.wait(java.base@15.0.1/Object.java:321)
>	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.getNextEvent(EventManager.java:400)
>	- locked <0x000000070213ec28> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
>	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:341)
>
>"Refresh Thread: Equinox Container: 744c2d23-562a-4b8e-b815-1e1e359541e3" #28 daemon prio=5 os_prio=0 cpu=703.13ms elapsed=171.24s tid=0x000002845362c550 nid=0x45f8 in Object.wait()  [0x000000cfdd6ff000]
>   java.lang.Thread.State: WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at java.lang.Object.wait(java.base@15.0.1/Object.java:321)
>	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.getNextEvent(EventManager.java:400)
>	- locked <0x0000000702136058> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
>	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:341)
>
>"Bundle File Closer" #31 daemon prio=5 os_prio=0 cpu=234.38ms elapsed=170.75s tid=0x0000028453629530 nid=0x2080 in Object.wait()  [0x000000cfdd9ff000]
>   java.lang.Thread.State: WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at java.lang.Object.wait(java.base@15.0.1/Object.java:321)
>	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.getNextEvent(EventManager.java:400)
>	- locked <0x000000070213a838> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
>	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:341)
>
>"SCR Component Actor" #32 daemon prio=5 os_prio=0 cpu=0.00ms elapsed=167.26s tid=0x0000028455880a80 nid=0x3ae0 in Object.wait()  [0x000000cfde1ff000]
>   java.lang.Thread.State: WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at java.lang.Object.wait(java.base@15.0.1/Object.java:321)
>	at org.apache.felix.scr.impl.ComponentActorThread.run(ComponentActorThread.java:83)
>	- locked <0x000000070921e6a0> (a java.util.LinkedList)
>	at java.lang.Thread.run(java.base@15.0.1/Thread.java:832)
>
>"Gogo shell" #35 prio=5 os_prio=0 cpu=15.63ms elapsed=162.97s tid=0x000002845587f740 nid=0x193c waiting on condition  [0x000000cfdc1fe000]
>   java.lang.Thread.State: WAITING (parking)
>	at jdk.internal.misc.Unsafe.park(java.base@15.0.1/Native Method)
>	- parking to wait for  <0x00000007055a99c0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
>	at java.util.concurrent.locks.LockSupport.park(java.base@15.0.1/LockSupport.java:341)
>	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionNode.block(java.base@15.0.1/AbstractQueuedSynchronizer.java:505)
>	at java.util.concurrent.ForkJoinPool.managedBlock(java.base@15.0.1/ForkJoinPool.java:3137)
>	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@15.0.1/AbstractQueuedSynchronizer.java:1614)
>	at java.util.concurrent.LinkedBlockingQueue.take(java.base@15.0.1/LinkedBlockingQueue.java:435)
>	at java.util.concurrent.ThreadPoolExecutor.getTask(java.base@15.0.1/ThreadPoolExecutor.java:1056)
>	at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@15.0.1/ThreadPoolExecutor.java:1116)
>	at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@15.0.1/ThreadPoolExecutor.java:630)
>	at java.lang.Thread.run(java.base@15.0.1/Thread.java:832)
>
>"Worker-JM" #38 prio=5 os_prio=0 cpu=0.00ms elapsed=162.90s tid=0x000002845587eda0 nid=0x738 in Object.wait()  [0x000000cfde5ff000]
>   java.lang.Thread.State: WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at org.eclipse.core.internal.jobs.InternalWorker.run(InternalWorker.java:61)
>	- locked <0x0000000705596d98> (a java.util.ArrayList)
>
>"Worker-0" #39 prio=5 os_prio=0 cpu=2750.00ms elapsed=162.27s tid=0x0000028455882290 nid=0x305c in Object.wait()  [0x000000cfdecff000]
>   java.lang.Thread.State: TIMED_WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at org.eclipse.core.internal.jobs.WorkerPool.sleep(WorkerPool.java:200)
>	- locked <0x0000000705596fc0> (a org.eclipse.core.internal.jobs.WorkerPool)
>	at org.eclipse.core.internal.jobs.WorkerPool.startJob(WorkerPool.java:242)
>	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
>
>"EMF Reference Cleaner" #40 daemon prio=6 os_prio=0 cpu=0.00ms elapsed=162.17s tid=0x00000284558818f0 nid=0x1e7c in Object.wait()  [0x000000cfdedff000]
>   java.lang.Thread.State: WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at java.lang.ref.ReferenceQueue.remove(java.base@15.0.1/ReferenceQueue.java:155)
>	- locked <0x0000000705572020> (a java.lang.ref.ReferenceQueue$Lock)
>	at java.lang.ref.ReferenceQueue.remove(java.base@15.0.1/ReferenceQueue.java:176)
>	at org.eclipse.emf.common.util.CommonUtil$1ReferenceClearingQueuePollingThread.run(CommonUtil.java:70)
>
>"Git Repository Closer" #41 daemon prio=6 os_prio=0 cpu=0.00ms elapsed=160.97s tid=0x0000028455881dc0 nid=0x340c in Object.wait()  [0x000000cfdeeff000]
>   java.lang.Thread.State: WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at java.lang.ref.ReferenceQueue.remove(java.base@15.0.1/ReferenceQueue.java:155)
>	- locked <0x00000007055a9c18> (a java.lang.ref.ReferenceQueue$Lock)
>	at java.lang.ref.ReferenceQueue.remove(java.base@15.0.1/ReferenceQueue.java:176)
>	at org.eclipse.egit.core.RepositoryCache$Closer.run(RepositoryCache.java:463)
>
>"Java indexing" #43 daemon prio=4 os_prio=-1 cpu=1703.13ms elapsed=155.16s tid=0x00000284558800e0 nid=0x2d18 in Object.wait()  [0x000000cfdcaff000]
>   java.lang.Thread.State: WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at java.lang.Object.wait(java.base@15.0.1/Object.java:321)
>	at org.eclipse.jdt.internal.core.search.processing.JobManager.run(JobManager.java:391)
>	- locked <0x00000007092001a8> (a org.eclipse.jdt.internal.core.search.indexing.IndexManager)
>	at java.lang.Thread.run(java.base@15.0.1/Thread.java:832)
>
>"org.eclipse.wst.sse.ui.internal.reconcile.StructuredRegionProcessor" #44 daemon prio=1 os_prio=-2 cpu=578.13ms elapsed=153.51s tid=0x000002845587c720 nid=0x4770 in Object.wait()  [0x000000cfdc9ff000]
>   java.lang.Thread.State: TIMED_WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:670)
>	- locked <0x0000000712af6f98> (a java.util.Collections$SynchronizedRandomAccessList)
>
>"ForkJoinPool.commonPool-worker-5" #47 daemon prio=6 os_prio=0 cpu=15.63ms elapsed=153.33s tid=0x0000028455881420 nid=0x3890 waiting on condition  [0x000000cfdccfe000]
>   java.lang.Thread.State: TIMED_WAITING (parking)
>	at jdk.internal.misc.Unsafe.park(java.base@15.0.1/Native Method)
>	- parking to wait for  <0x00000007021bc668> (a java.util.concurrent.ForkJoinPool)
>	at java.util.concurrent.locks.LockSupport.parkUntil(java.base@15.0.1/LockSupport.java:293)
>	at java.util.concurrent.ForkJoinPool.runWorker(java.base@15.0.1/ForkJoinPool.java:1624)
>	at java.util.concurrent.ForkJoinWorkerThread.run(java.base@15.0.1/ForkJoinWorkerThread.java:183)
>
>"EventAdmin Async Event Dispatcher Thread" #49 daemon prio=6 os_prio=0 cpu=0.00ms elapsed=150.33s tid=0x0000028455882760 nid=0x4084 in Object.wait()  [0x000000cfdc8ff000]
>   java.lang.Thread.State: WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at java.lang.Object.wait(java.base@15.0.1/Object.java:321)
>	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.getNextEvent(EventManager.java:400)
>	- locked <0x000000070921e750> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
>	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:341)
>
>"Worker-1" #50 prio=5 os_prio=0 cpu=78.13ms elapsed=150.32s tid=0x00000284558805b0 nid=0x3f40 in Object.wait()  [0x000000cfdd2ff000]
>   java.lang.Thread.State: TIMED_WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at org.eclipse.core.internal.jobs.WorkerPool.sleep(WorkerPool.java:200)
>	- locked <0x0000000705596fc0> (a org.eclipse.core.internal.jobs.WorkerPool)
>	at org.eclipse.core.internal.jobs.WorkerPool.startJob(WorkerPool.java:242)
>	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
>
>"Worker-3" #53 prio=5 os_prio=0 cpu=1203.13ms elapsed=150.32s tid=0x00000284531a2490 nid=0x386c in Object.wait()  [0x000000cfde2fe000]
>   java.lang.Thread.State: TIMED_WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at org.eclipse.core.internal.jobs.WorkerPool.sleep(WorkerPool.java:200)
>	- locked <0x0000000705596fc0> (a org.eclipse.core.internal.jobs.WorkerPool)
>	at org.eclipse.core.internal.jobs.WorkerPool.startJob(WorkerPool.java:242)
>	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
>
>"Worker-4" #54 prio=5 os_prio=0 cpu=140.63ms elapsed=150.32s tid=0x00000284531a1150 nid=0x42f4 in Object.wait()  [0x000000cfdeafe000]
>   java.lang.Thread.State: TIMED_WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at org.eclipse.core.internal.jobs.WorkerPool.sleep(WorkerPool.java:200)
>	- locked <0x0000000705596fc0> (a org.eclipse.core.internal.jobs.WorkerPool)
>	at org.eclipse.core.internal.jobs.WorkerPool.startJob(WorkerPool.java:242)
>	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
>
>"Worker-5" #55 prio=5 os_prio=0 cpu=937.50ms elapsed=150.32s tid=0x00000284531a7190 nid=0x3e1c in Object.wait()  [0x000000cfdebff000]
>   java.lang.Thread.State: TIMED_WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at org.eclipse.core.internal.jobs.WorkerPool.sleep(WorkerPool.java:200)
>	- locked <0x0000000705596fc0> (a org.eclipse.core.internal.jobs.WorkerPool)
>	at org.eclipse.core.internal.jobs.WorkerPool.startJob(WorkerPool.java:242)
>	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
>
>"pool-2-thread-1" #56 prio=5 os_prio=0 cpu=46.88ms elapsed=150.31s tid=0x00000284531a7660 nid=0x2980 waiting on condition  [0x000000cfdeffe000]
>   java.lang.Thread.State: WAITING (parking)
>	at jdk.internal.misc.Unsafe.park(java.base@15.0.1/Native Method)
>	- parking to wait for  <0x0000000709200580> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
>	at java.util.concurrent.locks.LockSupport.park(java.base@15.0.1/LockSupport.java:341)
>	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionNode.block(java.base@15.0.1/AbstractQueuedSynchronizer.java:505)
>	at java.util.concurrent.ForkJoinPool.managedBlock(java.base@15.0.1/ForkJoinPool.java:3137)
>	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@15.0.1/AbstractQueuedSynchronizer.java:1614)
>	at java.util.concurrent.LinkedBlockingQueue.take(java.base@15.0.1/LinkedBlockingQueue.java:435)
>	at java.util.concurrent.ThreadPoolExecutor.getTask(java.base@15.0.1/ThreadPoolExecutor.java:1056)
>	at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@15.0.1/ThreadPoolExecutor.java:1116)
>	at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@15.0.1/ThreadPoolExecutor.java:630)
>	at java.lang.Thread.run(java.base@15.0.1/Thread.java:832)
>
>"Worker-6" #57 prio=5 os_prio=0 cpu=140.63ms elapsed=150.31s tid=0x00000284531a4b10 nid=0x2f34 in Object.wait()  [0x000000cfdf0fe000]
>   java.lang.Thread.State: TIMED_WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at org.eclipse.core.internal.jobs.WorkerPool.sleep(WorkerPool.java:200)
>	- locked <0x0000000705596fc0> (a org.eclipse.core.internal.jobs.WorkerPool)
>	at org.eclipse.core.internal.jobs.WorkerPool.startJob(WorkerPool.java:242)
>	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
>
>"pool-3-thread-1" #58 prio=5 os_prio=0 cpu=0.00ms elapsed=150.30s tid=0x00000284531a6320 nid=0xa40 waiting on condition  [0x000000cfdf1fe000]
>   java.lang.Thread.State: WAITING (parking)
>	at jdk.internal.misc.Unsafe.park(java.base@15.0.1/Native Method)
>	- parking to wait for  <0x000000070922daf8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
>	at java.util.concurrent.locks.LockSupport.park(java.base@15.0.1/LockSupport.java:341)
>	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionNode.block(java.base@15.0.1/AbstractQueuedSynchronizer.java:505)
>	at java.util.concurrent.ForkJoinPool.managedBlock(java.base@15.0.1/ForkJoinPool.java:3137)
>	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@15.0.1/AbstractQueuedSynchronizer.java:1614)
>	at java.util.concurrent.LinkedBlockingQueue.take(java.base@15.0.1/LinkedBlockingQueue.java:435)
>	at java.util.concurrent.ThreadPoolExecutor.getTask(java.base@15.0.1/ThreadPoolExecutor.java:1056)
>	at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@15.0.1/ThreadPoolExecutor.java:1116)
>	at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@15.0.1/ThreadPoolExecutor.java:630)
>	at java.lang.Thread.run(java.base@15.0.1/Thread.java:832)
>
>"Worker-7" #59 prio=5 os_prio=0 cpu=562.50ms elapsed=150.29s tid=0x00000284531a2960 nid=0x117c in Object.wait()  [0x000000cfdf2fe000]
>   java.lang.Thread.State: TIMED_WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at org.eclipse.core.internal.jobs.WorkerPool.sleep(WorkerPool.java:200)
>	- locked <0x0000000705596fc0> (a org.eclipse.core.internal.jobs.WorkerPool)
>	at org.eclipse.core.internal.jobs.WorkerPool.startJob(WorkerPool.java:242)
>	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
>
>"Worker-8" #60 prio=5 os_prio=0 cpu=125.00ms elapsed=150.26s tid=0x00000284531a0c80 nid=0x8b0 in Object.wait()  [0x000000cfdf3ff000]
>   java.lang.Thread.State: TIMED_WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at org.eclipse.core.internal.jobs.WorkerPool.sleep(WorkerPool.java:200)
>	- locked <0x0000000705596fc0> (a org.eclipse.core.internal.jobs.WorkerPool)
>	at org.eclipse.core.internal.jobs.WorkerPool.startJob(WorkerPool.java:242)
>	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
>
>"Provisioning Event Dispatcher" #62 daemon prio=5 os_prio=0 cpu=0.00ms elapsed=142.88s tid=0x00000284531a54b0 nid=0x2084 in Object.wait()  [0x000000cfdf7fe000]
>   java.lang.Thread.State: WAITING (on object monitor)
>	at java.lang.Object.wait(java.base@15.0.1/Native Method)
>	- waiting on <no object reference available>
>	at java.lang.Object.wait(java.base@15.0.1/Object.java:321)
>	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.getNextEvent(EventManager.java:400)
>	- locked <0x000000070921ebd0> (a org.eclipse.osgi.framework.eventmgr.EventManager$EventThread)
>	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:341)
>
>"pool-4-thread-1" #63 prio=5 os_prio=0 cpu=0.00ms elapsed=72.65s tid=0x000002845587d590 nid=0x4710 waiting on condition  [0x000000cfdacff000]
>   java.lang.Thread.State: WAITING (parking)
>	at jdk.internal.misc.Unsafe.park(java.base@15.0.1/Native Method)
>	- parking to wait for  <0x0000000712b0d2c0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
>	at java.util.concurrent.locks.LockSupport.park(java.base@15.0.1/LockSupport.java:341)
>	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionNode.block(java.base@15.0.1/AbstractQueuedSynchronizer.java:505)
>	at java.util.concurrent.ForkJoinPool.managedBlock(java.base@15.0.1/ForkJoinPool.java:3137)
>	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(java.base@15.0.1/AbstractQueuedSynchronizer.java:1614)
>	at java.util.concurrent.LinkedBlockingQueue.take(java.base@15.0.1/LinkedBlockingQueue.java:435)
>	at java.util.concurrent.ThreadPoolExecutor.getTask(java.base@15.0.1/ThreadPoolExecutor.java:1056)
>	at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@15.0.1/ThreadPoolExecutor.java:1116)
>	at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@15.0.1/ThreadPoolExecutor.java:630)
>	at java.lang.Thread.run(java.base@15.0.1/Thread.java:832)
>
>"ForkJoinPool.commonPool-worker-7" #64 daemon prio=5 os_prio=0 cpu=0.00ms elapsed=68.80s tid=0x00000284531a5e50 nid=0x7c4 waiting on condition  [0x000000cfdcbfe000]
>   java.lang.Thread.State: WAITING (parking)
>	at jdk.internal.misc.Unsafe.park(java.base@15.0.1/Native Method)
>	- parking to wait for  <0x00000007021bc668> (a java.util.concurrent.ForkJoinPool)
>	at java.util.concurrent.locks.LockSupport.park(java.base@15.0.1/LockSupport.java:211)
>	at java.util.concurrent.ForkJoinPool.runWorker(java.base@15.0.1/ForkJoinPool.java:1633)
>	at java.util.concurrent.ForkJoinWorkerThread.run(java.base@15.0.1/ForkJoinWorkerThread.java:183)
>
>"ModalContext" #66 prio=6 os_prio=0 cpu=57015.63ms elapsed=60.81s tid=0x00000284531a02e0 nid=0x3b90 runnable  [0x000000cfde6fc000]
>   java.lang.Thread.State: RUNNABLE
>	at org.eclipse.jdt.internal.core.JavaElement.equals(JavaElement.java:183)
>	at org.eclipse.jdt.internal.core.SourceRefElement.equals(SourceRefElement.java:89)
>	at org.eclipse.jdt.internal.core.SourceMethod.equals(SourceMethod.java:56)
>	at org.eclipse.jdt.internal.core.JavaElement.equals(JavaElement.java:184)
>	at org.eclipse.jdt.internal.core.SourceRefElement.equals(SourceRefElement.java:89)
>	at org.eclipse.jdt.internal.core.LocalVariable.equals(LocalVariable.java:122)
>	at java.util.HashMap$TreeNode.find(java.base@15.0.1/HashMap.java:2005)
>	at java.util.HashMap$TreeNode.find(java.base@15.0.1/HashMap.java:2015)
>	at java.util.HashMap$TreeNode.find(java.base@15.0.1/HashMap.java:2015)
>	at java.util.HashMap$TreeNode.find(java.base@15.0.1/HashMap.java:2015)
>	at java.util.HashMap$TreeNode.putTreeVal(java.base@15.0.1/HashMap.java:2134)
>	at java.util.HashMap.putVal(java.base@15.0.1/HashMap.java:638)
>	at java.util.HashMap.put(java.base@15.0.1/HashMap.java:612)
>	at org.eclipse.jdt.internal.core.JavaModelCache.putInfo(JavaModelCache.java:252)
>	at org.eclipse.jdt.internal.core.JavaModelManager.putInfos(JavaModelManager.java:4110)
>	- locked <0x000000070923d0c8> (a org.eclipse.jdt.internal.core.JavaModelManager)
>	at org.eclipse.jdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:619)
>	at org.eclipse.jdt.internal.core.BecomeWorkingCopyOperation.executeOperation(BecomeWorkingCopyOperation.java:43)
>	at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:740)
>	at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:806)
>	at org.eclipse.jdt.internal.core.CompilationUnit.getWorkingCopy(CompilationUnit.java:1040)
>	at org.eclipse.jdt.internal.core.CompilationUnit.getWorkingCopy(CompilationUnit.java:1006)
>	at org.eclipse.jdt.internal.corext.util.JavaModelUtil.getStaticImportFavorites(JavaModelUtil.java:1218)
>	at org.eclipse.jdt.core.manipulation.OrganizeImportsOperation.addStaticImports(OrganizeImportsOperation.java:685)
>	at org.eclipse.jdt.core.manipulation.OrganizeImportsOperation.createTextEdit(OrganizeImportsOperation.java:599)
>	at org.eclipse.jdt.internal.corext.fix.ImportsFix.createCleanUp(ImportsFix.java:51)
>	at org.eclipse.jdt.internal.ui.fix.ImportsCleanUp.createFix(ImportsCleanUp.java:62)
>	at org.eclipse.jdt.internal.corext.fix.CleanUpRefactoring.calculateChange(CleanUpRefactoring.java:772)
>	at org.eclipse.jdt.internal.corext.fix.CleanUpRefactoring$CleanUpASTRequestor.calculateSolutions(CleanUpRefactoring.java:301)
>	at org.eclipse.jdt.internal.corext.fix.CleanUpRefactoring$CleanUpASTRequestor.acceptAST(CleanUpRefactoring.java:279)
>	at org.eclipse.jdt.core.dom.CompilationUnitResolver.resolve(CompilationUnitResolver.java:930)
>	at org.eclipse.jdt.core.dom.CompilationUnitResolver.resolve(CompilationUnitResolver.java:614)
>	at org.eclipse.jdt.core.dom.ASTParser.createASTs(ASTParser.java:906)
>	at org.eclipse.jdt.internal.corext.dom.ASTBatchParser.createASTs(ASTBatchParser.java:91)
>	at org.eclipse.jdt.internal.corext.fix.CleanUpRefactoring$CleanUpFixpointIterator.next(CleanUpRefactoring.java:399)
>	at org.eclipse.jdt.internal.corext.fix.CleanUpRefactoring.cleanUpProject(CleanUpRefactoring.java:682)
>	at org.eclipse.jdt.internal.corext.fix.CleanUpRefactoring.checkFinalConditions(CleanUpRefactoring.java:642)
>	at org.eclipse.ltk.core.refactoring.Refactoring.checkAllConditions(Refactoring.java:165)
>	at org.eclipse.jdt.internal.ui.refactoring.RefactoringExecutionHelper$Operation.run(RefactoringExecutionHelper.java:84)
>	at org.eclipse.jdt.internal.core.BatchOperation.executeOperation(BatchOperation.java:41)
>	at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:740)
>	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2292)
>	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2317)
>	at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:5901)
>	at org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:108)
>	at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122)
>
>"VM Thread" os_prio=2 cpu=390.63ms elapsed=172.17s tid=0x0000028442a3c300 nid=0x34c8 runnable  
>
>"GC Thread#0" os_prio=2 cpu=1093.75ms elapsed=172.20s tid=0x0000028442861ea0 nid=0x10a8 runnable  
>
>"GC Thread#1" os_prio=2 cpu=1156.25ms elapsed=171.33s tid=0x000002844f644a20 nid=0x14c4 runnable  
>
>"GC Thread#2" os_prio=2 cpu=1203.13ms elapsed=171.33s tid=0x000002844f644d50 nid=0x4674 runnable  
>
>"GC Thread#3" os_prio=2 cpu=1203.13ms elapsed=171.33s tid=0x000002844f643700 nid=0x31e4 runnable  
>
>"GC Thread#4" os_prio=2 cpu=1203.13ms elapsed=171.33s tid=0x000002844f644090 nid=0x41f0 runnable  
>
>"GC Thread#5" os_prio=2 cpu=1125.00ms elapsed=171.33s tid=0x000002844f645080 nid=0x44e8 runnable  
>
>"GC Thread#6" os_prio=2 cpu=984.38ms elapsed=167.52s tid=0x0000028453b14440 nid=0x2764 runnable  
>
>"GC Thread#7" os_prio=2 cpu=1078.13ms elapsed=164.04s tid=0x0000028453b14aa0 nid=0x1788 runnable  
>
>"G1 Main Marker" os_prio=2 cpu=62.50ms elapsed=172.19s tid=0x0000028442874540 nid=0x618 runnable  
>
>"G1 Conc#0" os_prio=2 cpu=12859.38ms elapsed=172.19s tid=0x00000284428754c0 nid=0x2d00 runnable  
>
>"G1 Conc#1" os_prio=2 cpu=12906.25ms elapsed=167.29s tid=0x0000028453b15dc0 nid=0x40c0 runnable  
>
>"G1 Refine#0" os_prio=2 cpu=671.88ms elapsed=172.19s tid=0x000002842c14b8d0 nid=0x40bc runnable  
>
>"G1 Refine#1" os_prio=2 cpu=218.75ms elapsed=168.01s tid=0x00000284531b46e0 nid=0x320c runnable  
>
>"G1 Refine#2" os_prio=2 cpu=156.25ms elapsed=168.01s tid=0x00000284531b4a40 nid=0x3f4c runnable  
>
>"G1 Refine#3" os_prio=2 cpu=109.38ms elapsed=168.00s tid=0x00000284531b6c00 nid=0x3c5c runnable  
>
>"G1 Refine#4" os_prio=2 cpu=62.50ms elapsed=168.00s tid=0x00000284531b6f60 nid=0x40a4 runnable  
>
>"G1 Refine#5" os_prio=2 cpu=46.88ms elapsed=168.00s tid=0x00000284531b5e80 nid=0x7d0 runnable  
>
>"G1 Refine#6" os_prio=2 cpu=46.88ms elapsed=166.09s tid=0x00000284531b4380 nid=0x25ec runnable  
>
>"G1 Refine#7" os_prio=2 cpu=0.00ms elapsed=34.23s tid=0x000002845a0d90b0 nid=0x38a4 runnable  
>
>"G1 Young RemSet Sampling" os_prio=2 cpu=0.00ms elapsed=172.19s tid=0x0000028442952dd0 nid=0x2c30 runnable  
>
>"VM Periodic Task Thread" os_prio=2 cpu=218.75ms elapsed=171.96s tid=0x000002845087e000 nid=0x346c waiting on condition  
>
>JNI global refs: 201, weak refs: 69
>

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Attachments on bug 570484: 285325