Yes we are replicating between this cluster and a backup cluster.
~Jeff On 9/12/2011 9:47 PM, Stack wrote:
Are you trying to do replication? St.Ack On Mon, Sep 12, 2011 at 3:00 PM, Jeff Whiting<je...@qualtrics.com> wrote: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$ShutdownHookThread.run(ShutdownHook.java:104) "SIGTERM handler" daemon prio=10 tid=0x00000000449f9800 nid=0x39e1 in Object.wait() [0x0000000042d4e000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on<0x00002aaab11dbb58> (a org.apache.hadoop.hbase.regionserver.ShutdownHook$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$EvictionThread.run(LruBlockCache.java:519) - locked<0x00002aaab273c0d0> (a org.apache.hadoop.hbase.io.hfile.LruBlockCache$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$1.uncaughtException(ReplicationSource.java:628) at java.lang.Thread.dispatchUncaughtException(Thread.java:1831) "Timer thread for monitoring jvm" daemon prio=10 tid=0x00002aaaf4067000 nid=0x69e8 in Object.wait() [0x0000000043152000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on<0x00002aaab26cb898> (a java.util.TaskQueue) at java.util.TimerThread.mainLoop(Timer.java:509) - locked<0x00002aaab26cb898> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:462) "Timer thread for monitoring hbase" daemon prio=10 tid=0x00002aaaf4065800 nid=0x69e7 in Object.wait() [0x0000000043051000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on<0x00002aaab217c3f0> (a java.util.TaskQueue) at java.util.TimerThread.mainLoop(Timer.java:509) - locked<0x00002aaab217c3f0> (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:462) "LeaseChecker" daemon prio=10 tid=0x00002aaaf4060800 nid=0x69e5 waiting on condition [0x0000000042e4f000] java.lang.Thread.State: TIMED_WAITING (sleeping) at java.lang.Thread.sleep(Native Method) at org.apache.hadoop.hdfs.DFSClient$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.join(ReplicationSourceManager.java:225) at org.apache.hadoop.hbase.replication.regionserver.Replication.join(Replication.java:97) at org.apache.hadoop.hbase.regionserver.HRegionServer.join(HRegionServer.java:1419) at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:683) 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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.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$LinuxDebuggerLocalWorkerThread.execute(LinuxDebuggerLocal.java:152) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.getThreadIntegerRegisterSet(LinuxDebuggerLocal.java:466) at sun.jvm.hotspot.debugger.linux.LinuxThread.getContext(LinuxThread.java:65) at sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess.getCurrentFrameGuess(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.getThreadIntegerRegisterSet0(Native Method) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal.access$800(LinuxDebuggerLocal.java:51) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$1GetThreadIntegerRegisterSetTask.doit(LinuxDebuggerLocal.java:460) at sun.jvm.hotspot.debugger.linux.LinuxDebuggerLocal$LinuxDebuggerLocalWorkerThread.run(LinuxDebuggerLocal.java:127) -- Jeff Whiting Qualtrics Senior Software Engineer je...@qualtrics.com-- Jeff Whiting Qualtrics Senior Software Engineer je...@qualtrics.com
-- Jeff Whiting Qualtrics Senior Software Engineer je...@qualtrics.com
