[BOOKKEEPER-678] BookieServer shutdown hangs indefinitely at NioServerSocketChannelFactory.releaseExternalResources

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.3.0
• Component/s: bookkeeper-server
• Assignee: Rakesh Radhakrishnan
• Reporter: Rakesh Radhakrishnan
• Created: 01/Sep/13 09:18
• Updated: 22/Nov/13 09:58
• Resolved: 22/Nov/13 09:41

Description

BookieFailureTest testcase hangs randomly in my environment(Windows 7), when I checked the threaddump, its waiting at NIO's releaseExternalResources. Please have a look at the following threaddump.

"Thread-6" prio=6 tid=0x0000000007676800 nid=0x19ac waiting on condition [0x000000000b1ae000]
   java.lang.Thread.State: TIMED_WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000c3278068> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025)
	at java.util.concurrent.ThreadPoolExecutor.awaitTermination(ThreadPoolExecutor.java:1261)
	at org.jboss.netty.util.internal.ExecutorUtil.terminate(ExecutorUtil.java:107)
	at org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory.releaseExternalResources(NioServerSocketChannelFactory.java:146)
	at org.apache.bookkeeper.proto.BookieNettyServer.shutdown(BookieNettyServer.java:149)
	at org.apache.bookkeeper.proto.BookieServer.shutdown(BookieServer.java:138)
	- locked <0x00000000c3277ca8> (a org.apache.bookkeeper.proto.BookieServer)
	at org.apache.bookkeeper.test.BookieFailureTest.auxTestReadWriteAsyncSingleClient(BookieFailureTest.java:177)
	at org.apache.bookkeeper.test.BookieFailureTest.testAsyncBK3(BookieFailureTest.java:114)

Also, full threaddump is attached to this JIRA.