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 > >