[ZOOKEEPER-1838] ZooKeeper shutdown hangs indefinitely at NioServerSocketChannelFactory.releaseExternalResources

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Fix Version/s: 3.4.6
• Component/s: server
• Assignee: Rakesh Radhakrishnan
• Reporter: Rakesh Radhakrishnan
• Created: 13/Dec/13 12:18
• Updated: 13/Mar/14 18:17
• Resolved: 13/Dec/13 19:24

Description

Zookeeper shutdown hangs when releasing external resources. This has been observed when executing NioNettySuiteTest.

"main" prio=6 tid=0x01498400 nid=0x2328 waiting on condition [0x0158e000..0x0158fe28]
   java.lang.Thread.State: TIMED_WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x22f58918> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:1963)
	at java.util.concurrent.ThreadPoolExecutor.awaitTermination(ThreadPoolExecutor.java:1244)
	at org.jboss.netty.util.internal.ExecutorUtil.terminate(ExecutorUtil.java:87)
	at org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.releaseExternalResources(NioServerSocketChannelFactory.java:146)
	at org.jboss.netty.bootstrap.Bootstrap.releaseExternalResources(Bootstrap.java:324)
	at org.apache.zookeeper.server.NettyServerCnxnFactory.shutdown(NettyServerCnxnFactory.java:345)
	at org.apache.zookeeper.test.ClientBase.shutdownServerInstance(ClientBase.java:355)
	at org.apache.zookeeper.test.ClientBase.stopServer(ClientBase.java:422)

Issue Links

• is related to: ZOOKEEPER-1715 Upgrade netty version