Hi Jeff
I have a faced a similar issue and my thread dumps showed the following
2011-08-16 11:26:22
Full thread dump Java HotSpot(TM) 64-Bit Server VM (14.3-b01 mixed mode):
"Attach Listener" daemon prio=10 tid=0x0000000040fa3000 nid=0x4046 waiting
on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"SIGTERM handler" daemon prio=10 tid=0x0000000040fa0800 nid=0x35b5 waiting
for monitor entry [0x00007f442f0f7000]
java.lang.Thread.State: BLOCKED (on object monitor)
at java.lang.Shutdown.exit(Shutdown.java:168)
- waiting to lock <0x00007f44f8cf4900> (a java.lang.Class for
java.lang.Shutdown)
at java.lang.Terminator$1.handle(Terminator.java:35)
at sun.misc.Signal$1.run(Signal.java:195)
at java.lang.Thread.run(Thread.java:619)
"SIGTERM handler" daemon prio=10 tid=0x0000000040f9e800 nid=0x34e0 waiting
for monitor entry [0x00007f442f1f8000]
java.lang.Thread.State: BLOCKED (on object monitor)
at java.lang.Shutdown.exit(Shutdown.java:168)
- waiting to lock <0x00007f44f8cf4900> (a java.lang.Class for
java.lang.Shutdown)
at java.lang.Terminator$1.handle(Terminator.java:35)
at sun.misc.Signal$1.run(Signal.java:195)
at java.lang.Thread.run(Thread.java:619)
"SIGTERM handler" daemon prio=10 tid=0x0000000040f9c800 nid=0x345b waiting
for monitor entry [0x00007f442f2f9000]
java.lang.Thread.State: BLOCKED (on object monitor)
at java.lang.Shutdown.exit(Shutdown.java:168)
- waiting to lock <0x00007f44f8cf4900> (a java.lang.Class for
java.lang.Shutdown)
at java.lang.Terminator$1.handle(Terminator.java:35)
at sun.misc.Signal$1.run(Signal.java:195)
at java.lang.Thread.run(Thread.java:619)
I read somewhere like a problem with Shutdown hooks where this problem may
occur. That time dint mind much. May be we can dig in deeper.
Best Regards
Ram
-----Original Message-----
From: Jeff Whiting [mailto:je...@qualtrics.com]
Sent: Tuesday, September 13, 2011 3:31 AM
To: user@hbase.apache.org
Subject: Re: HRegionServer not shutting down
I got some interesting stuff in the .out file. I've included it below. The
stack traces have hbase
classes in them but I'm unsure if it is related to hbase-4159.
~Jeff
2011-09-12 15:56:16
Full thread dump Java HotSpot(TM) 64-Bit Server VM (17.0-b16 mixed mode):
"Shutdownhook:regionserver60020" prio=10 tid=0x0000000044c5b800 nid=0x39e2
in Object.wait()
[0x000000004c9b4000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab1204150> (a java.lang.Thread)
at java.lang.Thread.join(Thread.java:1143)
- locked <0x00002aaab1204150> (a java.lang.Thread)
at org.apache.hadoop.hbase.util.Threads.shutdown(Threads.java:91)
at org.apache.hadoop.hbase.util.Threads.shutdown(Threads.java:79)
at
org.apache.hadoop.hbase.regionserver.ShutdownHook$ShutdownHookThread.run(Shu
tdownHook.java:104)
"SIGTERM handler" daemon prio=10 tid=0x00000000449f9800 nid=0x39e1 in
Object.wait() [0x0000000042d4e000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab11dbb58> (a
org.apache.hadoop.hbase.regionserver.ShutdownHook$ShutdownHookThread)
at java.lang.Thread.join(Thread.java:1143)
- locked <0x00002aaab11dbb58> (a
org.apache.hadoop.hbase.regionserver.ShutdownHook$ShutdownHookThread)
at java.lang.Thread.join(Thread.java:1196)
at
java.lang.ApplicationShutdownHooks.runHooks(ApplicationShutdownHooks.java:79
)
at
java.lang.ApplicationShutdownHooks$1.run(ApplicationShutdownHooks.java:24)
at java.lang.Shutdown.runHooks(Shutdown.java:79)
at java.lang.Shutdown.sequence(Shutdown.java:123)
at java.lang.Shutdown.exit(Shutdown.java:168)
- locked <0x00002aaae05e04e8> (a java.lang.Class for
java.lang.Shutdown)
at java.lang.Terminator$1.handle(Terminator.java:35)
at sun.misc.Signal$1.run(Signal.java:195)
at java.lang.Thread.run(Thread.java:619)
"LruBlockCache.EvictionThread" daemon prio=10 tid=0x00002aaaf036e800
nid=0x6a6b in Object.wait()
[0x000000004c5b0000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab273c0d0> (a
org.apache.hadoop.hbase.io.hfile.LruBlockCache$EvictionThread)
at java.lang.Object.wait(Object.java:485)
at
org.apache.hadoop.hbase.io.hfile.LruBlockCache$EvictionThread.run(LruBlockCa
che.java:519)
- locked <0x00002aaab273c0d0> (a
org.apache.hadoop.hbase.io.hfile.LruBlockCache$EvictionThread)
"regionserver60020.replicationSource,dev2" daemon prio=10
tid=0x00002aaaf0312800 nid=0x69f8 in
Object.wait() [0x000000004533e000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab12464c0> (a
org.apache.hadoop.hbase.replication.regionserver.ReplicationSource)
at java.lang.Thread.join(Thread.java:1151)
- locked <0x00002aaab12464c0> (a
org.apache.hadoop.hbase.replication.regionserver.ReplicationSource)
at org.apache.hadoop.hbase.util.Threads.shutdown(Threads.java:91)
at
org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.terminate
(ReplicationSource.java:649)
at
org.apache.hadoop.hbase.replication.regionserver.ReplicationSource$1.uncaugh
tException(ReplicationSource.java:628)
at java.lang.Thread.dispatchUncaughtException(Thread.java:1831)
"Timer thread for monitoring jvm" daemon prio=10 tid=0x00002aaaf4067000
nid=0x69e8 in Object.wait()
[0x0000000043152000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab26cb898> (a java.util.TaskQueue)
at java.util.TimerThread.mainLoop(Timer.java:509)
- locked <0x00002aaab26cb898> (a java.util.TaskQueue)
at java.util.TimerThread.run(Timer.java:462)
"Timer thread for monitoring hbase" daemon prio=10 tid=0x00002aaaf4065800
nid=0x69e7 in
Object.wait() [0x0000000043051000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab217c3f0> (a java.util.TaskQueue)
at java.util.TimerThread.mainLoop(Timer.java:509)
- locked <0x00002aaab217c3f0> (a java.util.TaskQueue)
at java.util.TimerThread.run(Timer.java:462)
"LeaseChecker" daemon prio=10 tid=0x00002aaaf4060800 nid=0x69e5 waiting on
condition
[0x0000000042e4f000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at
org.apache.hadoop.hdfs.DFSClient$LeaseChecker.run(DFSClient.java:1167)
at java.lang.Thread.run(Thread.java:619)
"regionserver60020-EventThread" daemon prio=10 tid=0x00002aaaf4053800
nid=0x69e3 waiting on
condition [0x0000000042c4d000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00002aaab2719738> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(
AbstractQueuedSynchronizer.java:1987)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)
"regionserver60020-SendThread(ds1:2181)" daemon prio=10
tid=0x00002aaaf4031000 nid=0x69e2 runnable
[0x0000000042b4c000]
java.lang.Thread.State: RUNNABLE
at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:210)
at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:65)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69)
- locked <0x00002aaab11fffe0> (a sun.nio.ch.Util$1)
- locked <0x00002aaab11fffc8> (a java.util.Collections$UnmodifiableSet)
- locked <0x00002aaab274f468> (a sun.nio.ch.EPollSelectorImpl)
at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1107)
"DestroyJavaVM" prio=10 tid=0x00002aaaf0189800 nid=0x69c1 waiting on
condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"regionserver60020" prio=10 tid=0x00002aaaf01ca800 nid=0x69dc in
Object.wait() [0x0000000040bb2000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab12464c0> (a
org.apache.hadoop.hbase.replication.regionserver.ReplicationSource)
at java.lang.Thread.join(Thread.java:1151)
- locked <0x00002aaab12464c0> (a
org.apache.hadoop.hbase.replication.regionserver.ReplicationSource)
at org.apache.hadoop.hbase.util.Threads.shutdown(Threads.java:91)
at
org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.terminate
(ReplicationSource.java:649)
at
org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.terminate
(ReplicationSource.java:636)
at
org.apache.hadoop.hbase.replication.regionserver.ReplicationSourceManager.jo
in(ReplicationSourceManager.java:225)
at
org.apache.hadoop.hbase.replication.regionserver.Replication.join(Replicatio
n.java:97)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.join(HRegionServer.java:1
419)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:68
3)
at java.lang.Thread.run(Thread.java:619)
"Timer thread for monitoring rpc" daemon prio=10 tid=0x00002aaaf0181800
nid=0x69db in Object.wait()
[0x000000004294a000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab0bb27e0> (a java.util.TaskQueue)
at java.util.TimerThread.mainLoop(Timer.java:509)
- locked <0x00002aaab0bb27e0> (a java.util.TaskQueue)
at java.util.TimerThread.run(Timer.java:462)
"Low Memory Detector" daemon prio=10 tid=0x0000000043934000 nid=0x69cc
runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"CompilerThread1" daemon prio=10 tid=0x0000000043931800 nid=0x69cb waiting
on condition
[0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"CompilerThread0" daemon prio=10 tid=0x000000004392d000 nid=0x69ca waiting
on condition
[0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=10 tid=0x000000004392a800 nid=0x69c9 waiting
on condition
[0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Surrogate Locker Thread (CMS)" daemon prio=10 tid=0x0000000043928800
nid=0x69c8 waiting on
condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=10 tid=0x0000000043904000 nid=0x69c7 in
Object.wait() [0x0000000041d3e000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab10dd220> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
- locked <0x00002aaab10dd220> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
"Reference Handler" daemon prio=10 tid=0x0000000043902000 nid=0x69c6 in
Object.wait()
[0x0000000041c3d000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aaab0bbab60> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:485)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
- locked <0x00002aaab0bbab60> (a java.lang.ref.Reference$Lock)
"VM Thread" prio=10 tid=0x00000000438fe000 nid=0x69c5 runnable
"Gang worker#0 (Parallel GC Threads)" prio=10 tid=0x0000000043843800
nid=0x69c2 runnable
"Gang worker#1 (Parallel GC Threads)" prio=10 tid=0x0000000043845000
nid=0x69c3 runnable
"Concurrent Mark-Sweep GC Thread" prio=10 tid=0x00000000438a3800 nid=0x69c4
runnable
"VM Periodic Task Thread" prio=10 tid=0x000000004393f000 nid=0x69cd waiting
on condition
JNI global references: 1621
Heap
par new generation total 19136K, used 9478K [0x00002aaaae200000,
0x00002aaaaf6c0000,
0x00002aaab0b90000)
eden space 17024K, 54% used [0x00002aaaae200000, 0x00002aaaaeb115f0,
0x00002aaaaf2a0000)
from space 2112K, 9% used [0x00002aaaaf2a0000, 0x00002aaaaf2d0248,
0x00002aaaaf4b0000)
to space 2112K, 0% used [0x00002aaaaf4b0000, 0x00002aaaaf4b0000,
0x00002aaaaf6c0000)
concurrent mark-sweep generation total 97196K, used 66304K
[0x00002aaab0b90000,
0x00002aaab6a7b000, 0x00002aaae0200000)
concurrent-mark-sweep perm gen total 32624K, used 19532K
[0x00002aaae0200000, 0x00002aaae21dc000,
0x00002aaae5600000)
On 9/12/2011 10:59 AM, Stack wrote:
> Yes. I'd think the RS is done. What happens if you do 'kill -QUIT
> <PID>'. Do you get output in the .out log? I'd be interested in
> checking it out Jeff. I wonder if it:
>
> HBASE-4159 HBaseServer - IPC Reader threads are not daemons (Douglas
> Campbell)
>
>
> St.Ack
>
> On Mon, Sep 12, 2011 at 8:24 AM, Jeff Whiting<je...@qualtrics.com> wrote:
>> We are running cdh3u1 on centos 5.6 and we have frequent problems
shutting
>> down region servers. They get stuck and the only thing I can do to stop
>> them is a kill -9 which is a little harsh. I tried doing a normal jstack
>> but it doesn't respond. With the -F option I get what you see at the
bottom
>> of the email. Also in the region server logs I see the following which
>> would imply that it should be shutdown.
>>
>> 2011-09-11 13:16:18,692 INFO
>> org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics:
>> requests=0, regions=16, stores=27, storefiles=17, storefileIndexSize=1,
>> memstoreSize=10, compactionQueueSize=0, flushQueueSize=0, usedHeap=609,
>> maxHeap=795, blockCacheSize=130088528, blockCacheFree=36818560,
>> blockCacheCount=1055, blockCacheHitCount=2038243,
blockCacheMissCount=92093,
>> blockCacheEvictedCount=600, blockCacheHitRatio=95,
>> blockCacheHitCachingRatio=99
>> 2011-09-11 13:16:18,692 INFO
>> org.apache.hadoop.hbase.regionserver.HRegionServer: STOPPED: connection
to
>> cluster: dev2-0x331633b7ddb08ef-0x331633b7ddb08ef-0x331633b7ddb08ef
>> connection to cluster:
>> dev2-0x331633b7ddb08ef-0x331633b7ddb08ef-0x331633b7ddb08ef received
expired
>> from ZooKeeper, aborting
>> 2011-09-11 13:16:18,692 INFO org.apache.zookeeper.ClientCnxn: EventThread
>> shut down
>> 2011-09-12 09:07:16,289 INFO
>> org.apache.hadoop.hbase.regionserver.ShutdownHook: Shutdown hook
starting;
>> hbase.shutdown.hook=true; fsShutdownHook=Thread[Thread-15,5,main]
>> 2011-09-12 09:07:16,289 INFO
>> org.apache.hadoop.hbase.regionserver.HRegionServer: STOPPED: Shutdown
hook
>> Mon Sep 12 09:14:26 MDT 2011 Killing regionserver
>>
>> Any ideas as to why the region servers can't shutdown? My java version
is:
>>
>> [root@ds1 hbase]# java -version
>> java version "1.6.0_21"
>> Java(TM) SE Runtime Environment (build 1.6.0_21-b06)
>> Java HotSpot(TM) 64-Bit Server VM (build 17.0-b16, mixed mode)
>>
>> Thanks,
>>
>> ~Jeff
>>
>> [root@ds1 ~]# jstack 18789
>> 18789: Unable to open socket file: target process not responding or
HotSpot
>> VM not loaded
>> The -F option can be used when the target process is not responding
>> [root@ds1 ~]# jstack -F 18789
>> Attaching to process ID 18789, please wait...
>> Debugger attached successfully.
>> Server compiler detected.
>> JVM version is 17.0-b16
>> Deadlock Detection:
>>
>> No deadlocks found.
>>
>> Thread 17578: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 17322: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 16419: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 16417: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 19017: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 18901: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 18871: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 18870: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 18815: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 18868: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 18843: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 18840: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 18823: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 18822: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 18821: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> Thread 18820: (state = BLOCKED)
>> Error occurred during stack walking:
>> sun.jvm.hotspot.debugger.DebuggerException:
>> sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs failed for a
lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.execute(LinuxDebuggerLocal.java:152)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t(LinuxDebuggerLocal.java:466)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65)
>> at
>>
sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentF
rameGuess(LinuxAMD64JavaThreadPDAccess.java:92)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getCurrentFrameGuess(JavaThread.java:256)
>> at
>>
sun.jvm.hotspot.runtime.JavaThread.getLastJavaVFrameDbg(JavaThread.java:218)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
>> at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>> at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>> at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>> at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>> at
>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>> at sun.tools.jstack.JStack.main(JStack.java:84)
>> Caused by: sun.jvm.hotspot.debugger.DebuggerException: get_thread_regs
>> failed for a lwp
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSe
t0(Native
>> Method)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLo
cal.java:51)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterS
etTask.doit(LinuxDebuggerLocal.java:460)
>> at
>>
sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerTh
read.run(LinuxDebuggerLocal.java:127)
>>
>>
>> --
>> Jeff Whiting
>> Qualtrics Senior Software Engineer
>> je...@qualtrics.com
>>
>>
--
Jeff Whiting
Qualtrics Senior Software Engineer
je...@qualtrics.com
