Full thread dump Zing 64-Bit Tiered VM (1.8.0-zing_19.05.101.0-b3-product-azlinuxM-X86_64 mixed mode [Wed Jan 15 03:53:10 PM PST 2020]):

"BayeuxServer139034538 Scheduler-1" #89 prio=5 os_prio=0 tid=0x440017e00000 nid=0x1e579  [ JVM locked by VM (w/poll advisory bit) waiting on VM lock 'self_suspend_monitor for TID 124281', polling bits: safep ]
   java.lang.Thread.State: WAITING (parking)
	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
	at java.util.concurrent.ArrayBlockingQueue.put(ArrayBlockingQueue.java:353)
	at org.apache.logging.log4j.core.appender.AsyncAppender.logMessageInBackgroundThread(AsyncAppender.java:183)
	at org.apache.logging.log4j.core.async.EventRoute$1.logMessage(EventRoute.java:51)
	at org.apache.logging.log4j.core.appender.AsyncAppender.append(AsyncAppender.java:156)
	at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:155)
	at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:128)
	at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:119)
	at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
	at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:390)
	at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:375)
	at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:359)
	at org.apache.logging.log4j.core.config.LoggerConfig.logParent(LoggerConfig.java:381)
	at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:376)
	at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:359)
	at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:349)
	at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:63)
	at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:146)
	at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1971)
	at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1829)
	at org.apache.logging.log4j.spi.AbstractLogger.warn(AbstractLogger.java:2506)
...
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

"AsyncAppender-asyncerrorfile" #88 daemon prio=5 os_prio=0 tid=0x440017c00000 nid=0x1e578  [ JVM locked by VM (w/poll advisory bit) waiting on VM lock 'self_suspend_monitor for TID 124280', polling bits: safep ]
   java.lang.Thread.State: WAITING (parking)
	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
	at java.util.concurrent.ArrayBlockingQueue.put(ArrayBlockingQueue.java:353)
	at org.apache.logging.log4j.core.appender.AsyncAppender.logMessageInBackgroundThread(AsyncAppender.java:183)
	at org.apache.logging.log4j.core.async.EventRoute$1.logMessage(EventRoute.java:51)
	at org.apache.logging.log4j.core.appender.AsyncAppender.append(AsyncAppender.java:156)
	at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:155)
	at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:128)
	at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:119)
	at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
	at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:390)
	at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:375)
	at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:359)
	at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:349)
	at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:63)
	at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:146)
	at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1988)
	at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1960)
	at org.apache.logging.log4j.spi.AbstractLogger.log(AbstractLogger.java:1629)
	at com.chess.live.tools.log.ChessLogger.log(ChessLogger.java:151)
	at com.chess.live.tools.log.Log4JOutputStreamWrapper.flush(Log4JOutputStreamWrapper.java:143)
	at java.io.PrintStream.write(PrintStream.java:482)
	- locked <0x0000080588ac3f90> (a java.io.PrintStream)
	at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:221)
	at sun.nio.cs.StreamEncoder.implFlushBuffer(StreamEncoder.java:291)
	at sun.nio.cs.StreamEncoder.flushBuffer(StreamEncoder.java:104)
	- locked <0x0000080588ac3ff8> (a java.io.OutputStreamWriter)
	at java.io.OutputStreamWriter.flushBuffer(OutputStreamWriter.java:185)
	at java.io.PrintStream.write(PrintStream.java:527)
	- locked <0x0000080588ac3f90> (a java.io.PrintStream)
	at java.io.PrintStream.print(PrintStream.java:669)
	at java.io.PrintStream.println(PrintStream.java:823)
	- locked <0x0000080588ac3f90> (a java.io.PrintStream)
	at java.lang.Throwable$WrappedPrintStream.println(Throwable.java:748)
	at java.lang.Throwable.printStackTrace(Throwable.java:658)
	- locked <0x0000080588ac3f90> (a java.io.PrintStream)
	at java.lang.Throwable.printStackTrace(Throwable.java:643)
	at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:1061)
	at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:1052)
	at java.lang.Thread.dispatchUncaughtException(Thread.java:1959)

"AsyncAppender-asyncmainfile" #87 daemon prio=5 os_prio=0 tid=0x440017a00000 nid=0x1e577  [ JVM locked by VM (w/poll advisory bit) acquiring VM lock 'java.io.PrintStream', polling bits: safep ]
   java.lang.Thread.State: BLOCKED (on object monitor)
	at java.lang.Throwable.printStackTrace(Throwable.java:653)
	- waiting to lock <0x0000080588ac3f90> (a java.io.PrintStream)
	at java.lang.Throwable.printStackTrace(Throwable.java:643)
	at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:1061)
	at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:1052)
	at java.lang.Thread.dispatchUncaughtException(Thread.java:1959)

"AsyncAppender-asyncsuppressed" #86 daemon prio=5 os_prio=0 tid=0x440017800000 nid=0x1e576  [ JVM locked by VM (w/poll advisory bit) acquiring VM lock 'java.io.PrintStream', polling bits: safep ]
   java.lang.Thread.State: BLOCKED (on object monitor)
	at java.lang.Throwable.printStackTrace(Throwable.java:653)
	- waiting to lock <0x0000080588ac3f90> (a java.io.PrintStream)
	at java.lang.Throwable.printStackTrace(Throwable.java:643)
	at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:1061)
	at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:1052)
	at java.lang.Thread.dispatchUncaughtException(Thread.java:1959)

"Log4j2-Log4j2Scheduled-1" #85 daemon prio=5 os_prio=0 tid=0x440017600000 nid=0x1e575  [ JVM locked by VM (w/poll advisory bit) waiting on VM lock 'self_suspend_monitor for TID 124277', polling bits: safep ]
   java.lang.Thread.State: TIMED_WAITING (parking)
	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)