JBoss stalls with many threads blocking in AsyncHandler
Issue
- Our JBoss server becomes unresponsive and thread dumps indicate that many threads were stalled blocking like so on the AsyncHandler:
"http-127.0.0.1:8080-1" daemon prio=10 tid=0x00007f0c14036800 nid=0x3cda waiting on condition [0x00007f0be2be8000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000007032c4458> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
at java.util.concurrent.ArrayBlockingQueue.put(ArrayBlockingQueue.java:324)
at org.jboss.logmanager.handlers.AsyncHandler.doPublish(AsyncHandler.java:148)
at org.jboss.logmanager.ExtHandler.publish(ExtHandler.java:76)
at org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:290)
at org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:298)
at org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:298)
at org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:298)
at org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:298)
at org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:298)
at org.jboss.logmanager.LoggerNode.publish(LoggerNode.java:298)
at org.jboss.logmanager.Logger.logRaw(Logger.java:721)
at org.jboss.logmanager.Logger.log(Logger.java:672)
at org.jboss.logmanager.Logger.log(Logger.java:684)
at org.jboss.logging.JBossLogManagerLogger.doLog(JBossLogManagerLogger.java:44)
Environment
- JBoss Enterprise Application Platform (EAP)
- 6
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