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https://issues.apache.org/jira/browse/AMQ-5675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14387906#comment-14387906
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gbsnaker commented on AMQ-5675:
-------------------------------
no. thanks. It is very confused. 5.9.1 version problem ?
> org.apache.activemq.leveldb.CountDownFuture
> -------------------------------------------
>
> Key: AMQ-5675
> URL: https://issues.apache.org/jira/browse/AMQ-5675
> Project: ActiveMQ
> Issue Type: Bug
> Components: activemq-leveldb-store
> Affects Versions: 5.9.1
> Environment: activemq 5.9.1
> lelveldb
> zookeeper
> Reporter: gbsnaker
> Priority: Critical
>
> hi
> lots of threads blocked and tracer by id 5429 thread.
> here is stack .
>
> zookeeper-3.4.5
> activemq 5.9.1
> leveldb-1.15.0
> Thread ID: 4329
> Thread Name: ActiveMQ Transport: tcp:///172.24.139.37:55455@61616
> Waited Count: 1 Waited Time: 1704727ms
> Blocked Count: 0 Blocked Time: 0ms
> Lock Name: java.util.concurrent.CountDownLatch$Sync@198e6601 Lock Class Name:
> java.util.concurrent.CountDownLatch$Sync Lock Identity Hash Code: 428762625
> Locked Monitors
> Frame: 10 org.apache.activemq.broker.region.Topic .doMessageSend
> (Topic.java)
> Stack Trace
> sun.misc.Unsafe . park (Unsafe.java) (Native)
> java.util.concurrent.locks.LockSupport . park (LockSupport.java:156)
> java.util.concurrent.locks.AbstractQueuedSynchronizer .
> parkAndCheckInterrupt (AbstractQueuedSynchronizer.java:811)
> java.util.concurrent.locks.AbstractQueuedSynchronizer .
> doAcquireSharedInterruptibly (AbstractQueuedSynchronizer.java:969)
> java.util.concurrent.locks.AbstractQueuedSynchronizer .
> acquireSharedInterruptibly (AbstractQueuedSynchronizer.java:1281)
> java.util.concurrent.CountDownLatch . await (CountDownLatch.java:207)
> org.apache.activemq.leveldb.CountDownFuture . get
> (DBManager.scala:125)
> org.apache.activemq.leveldb.LevelDBStore$ . waitOn
> (LevelDBStore.scala:68)
> org.apache.activemq.leveldb.LevelDBStore$LevelDBMessageStore .
> addMessage (LevelDBStore.scala:701)
> org.apache.activemq.store.AbstractMessageStore . asyncAddTopicMessage
> (AbstractMessageStore.java:105)
> org.apache.activemq.broker.region.Topic . doMessageSend
> (Topic.java:477)
> org.apache.activemq.broker.region.Topic . send (Topic.java:441)
> org.apache.activemq.broker.region.AbstractRegion . send
> (AbstractRegion.java:395)
> org.apache.activemq.broker.region.RegionBroker . send
> (RegionBroker.java:441)
> org.apache.activemq.broker.jmx.ManagedRegionBroker . send
> (ManagedRegionBroker.java:297)
> org.apache.activemq.broker.BrokerFilter . send
> (BrokerFilter.java:147)
> org.apache.activemq.broker.CompositeDestinationBroker . send
> (CompositeDestinationBroker.java:96)
> org.apache.activemq.broker.TransactionBroker . send
> (TransactionBroker.java:307)
> org.apache.activemq.broker.MutableBrokerFilter . send
> (MutableBrokerFilter.java:152)
> org.apache.activemq.broker.TransportConnection . processMessage
> (TransportConnection.java:493)
> org.apache.activemq.command.ActiveMQMessage . visit
> (ActiveMQMessage.java:756)
> org.apache.activemq.broker.TransportConnection . service
> (TransportConnection.java:291)
> org.apache.activemq.broker.TransportConnection$1 . onCommand
> (TransportConnection.java:145)
> org.apache.activemq.transport.MutexTransport . onCommand
> (MutexTransport.java:50)
> org.apache.activemq.transport.WireFormatNegotiator . onCommand
> (WireFormatNegotiator.java:113)
> org.apache.activemq.transport.AbstractInactivityMonitor . onCommand
> (AbstractInactivityMonitor.java:270)
> org.apache.activemq.transport.TransportSupport . doConsume
> (TransportSupport.java:83)
> org.apache.activemq.transport.tcp.TcpTransport . doRun
> (TcpTransport.java:214)
> org.apache.activemq.transport.tcp.TcpTransport . run
> (TcpTransport.java:196)
> java.lang.Thread . run (Thread.java:662)
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