javacore找pk鎖阻塞者

關鍵字 Flat locked by

3LKMONOBJECT       org/apache/logging/log4j/core/appender/OutputStreamManager@0x000000060FB6B3C0: Flat locked by "WebContainer : 3" (J9VMThread:0x0000000007C55A00), entry count 1
3LKWAITERQ            Waiting to enter:
3LKWAITER                "WorkManager.MulticastWM : 19" (J9VMThread:0x000000000380D000)
3LKWAITER                "WebContainer : 8" (J9VMThread:0x0000000007EF2000)
3LKWAITER                "WebContainer : 10" (J9VMThread:0x0000000008B53E00)
3LKWAITER                "WorkManager.MulticastWM : 49" (J9VMThread:0x00000000089A7600)
3LKWAITER                "WebContainer : 16" (J9VMThread:0x0000000008EB8D00)

　　3號線程阻塞8、10、16、19號線程

 1 3XMTHREADBLOCK     Blocked on: org/apache/logging/log4j/core/appender/OutputStreamManager@0x000000060FB6B3C0 Owned by: "WebContainer : 3" (J9VMThread:0x0000000007C55A00, java/lang/Thread:0x00000006152DF108)
 2 3XMHEAPALLOC             Heap bytes allocated since last GC cycle=24576 (0x6000)
 3 3XMTHREADINFO3           Java callstack:
 4 4XESTACKTRACE                at org/apache/logging/log4j/core/appender/OutputStreamManager.writeBytes(OutputStreamManager.java:352(Compiled Code))
 5 4XESTACKTRACE                at org/apache/logging/log4j/core/layout/TextEncoderHelper.writeEncodedText(TextEncoderHelper.java:96(Compiled Code))
 6 4XESTACKTRACE                at org/apache/logging/log4j/core/layout/TextEncoderHelper.encodeText(TextEncoderHelper.java:65(Compiled Code))
 7 4XESTACKTRACE                at org/apache/logging/log4j/core/layout/StringBuilderEncoder.encode(StringBuilderEncoder.java:68(Compiled Code))
 8 4XESTACKTRACE                at org/apache/logging/log4j/core/layout/StringBuilderEncoder.encode(StringBuilderEncoder.java:32(Compiled Code))
 9 4XESTACKTRACE                at org/apache/logging/log4j/core/layout/PatternLayout.encode(PatternLayout.java:228(Compiled Code))
10 4XESTACKTRACE                at org/apache/logging/log4j/core/layout/PatternLayout.encode(PatternLayout.java:60(Compiled Code))
11 4XESTACKTRACE                at org/apache/logging/log4j/core/appender/AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:197(Compiled Code))
12 4XESTACKTRACE                at org/apache/logging/log4j/core/appender/AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:190(Compiled Code))
13 4XESTACKTRACE                at org/apache/logging/log4j/core/appender/AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:181(Compiled Code))
14 4XESTACKTRACE                at org/apache/logging/log4j/core/config/AppenderControl.tryCallAppender(AppenderControl.java:161(Compiled Code))
15 4XESTACKTRACE                at org/apache/logging/log4j/core/config/AppenderControl.callAppender0(AppenderControl.java:134(Compiled Code))
16 4XESTACKTRACE                at org/apache/logging/log4j/core/config/AppenderControl.callAppenderPreventRecursion(AppenderControl.java:125(Compiled Code))
17 4XESTACKTRACE                at org/apache/logging/log4j/core/config/AppenderControl.callAppender(AppenderControl.java:89(Compiled Code))
18 4XESTACKTRACE                at org/apache/logging/log4j/core/config/LoggerConfig.callAppenders(LoggerConfig.java:542(Compiled Code))
19 4XESTACKTRACE                at org/apache/logging/log4j/core/config/LoggerConfig.processLogEvent(LoggerConfig.java:500(Compiled Code))
20 4XESTACKTRACE                at org/apache/logging/log4j/core/config/LoggerConfig.log(LoggerConfig.java:483(Compiled Code))
21 4XESTACKTRACE                at org/apache/logging/log4j/core/config/LoggerConfig.log(LoggerConfig.java:417(Compiled Code))
22 4XESTACKTRACE                at org/apache/logging/log4j/core/config/AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:82(Compiled Code))
23 4XESTACKTRACE                at org/apache/logging/log4j/core/Logger.log(Logger.java:161(Compiled Code))
24 4XESTACKTRACE                at org/apache/logging/log4j/spi/AbstractLogger.tryLogMessage(AbstractLogger.java:2205(Compiled Code))
25 4XESTACKTRACE                at org/apache/logging/log4j/spi/AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2159(Compiled Code))
26 4XESTACKTRACE                at org/apache/logging/log4j/spi/AbstractLogger.logMessageSafely(AbstractLogger.java:2142(Compiled Code))
27 4XESTACKTRACE                at org/apache/logging/log4j/spi/AbstractLogger.logMessage(AbstractLogger.java:1994(Compiled Code))
28 4XESTACKTRACE                at org/apache/logging/log4j/spi/AbstractLogger.logIfEnabled(AbstractLogger.java:1852(Compiled Code))
29 4XESTACKTRACE                at nc/bs/logging/impl/log4j2/Log4j2LoggerPlugin.log(Log4j2LoggerPlugin.java:103(Compiled Code))
30 4XESTACKTRACE                at nc/bs/logging/impl/log4j2/Log4j2LoggerPlugin.log(Log4j2LoggerPlugin.java:119(Compiled Code))
31 4XESTACKTRACE                at nc/bs/logging/Logger.debug(Logger.java:182(Compiled Code))
32 4XESTACKTRACE                at nc/bs/framework/rmi/server/RMIHandlerImpl$1.run(RMIHandlerImpl.java:80(Compiled Code))
33 4XESTACKTRACE                at java/util/concurrent/Executors$RunnableAdapter.call(Executors.java:522(Compiled Code))
34 4XESTACKTRACE                at java/util/concurrent/FutureTask.runAndReset(FutureTask.java:319(Compiled Code))
35 4XESTACKTRACE                at java/util/concurrent/ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:191(Compiled Code))
36 4XESTACKTRACE                at java/util/concurrent/ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305(Compiled Code))
37 4XESTACKTRACE                at java/util/concurrent/ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1160(Compiled Code))
38 4XESTACKTRACE                at java/util/concurrent/ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
39 4XESTACKTRACE                at nc/bs/framework/execute/server/SecureRunnable.run(SecureRunnable.java:46)
40 4XESTACKTRACE                at org/granite/commonj/CommonjWork.run(CommonjWork.java:31)
41 4XESTACKTRACE                at com/ibm/ws/asynchbeans/J2EEContext.run(J2EEContext.java:1046)
42 4XESTACKTRACE                at com/ibm/ws/asynchbeans/WorkWithExecutionContextImpl.go(WorkWithExecutionContextImpl.java:199)
43 4XESTACKTRACE                at com/ibm/ws/asynchbeans/CJWorkItemImpl.run(CJWorkItemImpl.java:237)
44 4XESTACKTRACE                at com/ibm/ws/util/ThreadPool$Worker.run(ThreadPool.java:1909(Compiled Code))