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Posted to dev@zookeeper.apache.org by "Patrick Hunt (JIRA)" <ji...@apache.org> on 2010/09/09 21:09:33 UTC
[jira] Assigned: (ZOOKEEPER-846) zookeeper client doesn't shut down
cleanly on the close call
[ https://issues.apache.org/jira/browse/ZOOKEEPER-846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Patrick Hunt reassigned ZOOKEEPER-846:
--------------------------------------
Assignee: Patrick Hunt
> zookeeper client doesn't shut down cleanly on the close call
> ------------------------------------------------------------
>
> Key: ZOOKEEPER-846
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-846
> Project: Zookeeper
> Issue Type: Bug
> Components: java client
> Affects Versions: 3.2.2
> Reporter: Ted Yu
> Assignee: Patrick Hunt
> Priority: Blocker
> Fix For: 3.3.2, 3.4.0
>
> Attachments: rs-13.stack
>
>
> Using HBase 0.20.6 (with HBASE-2473) we encountered a situation where Regionserver
> process was shutting down and seemed to hang.
> Here is the bottom of region server log:
> http://pastebin.com/YYawJ4jA
> zookeeper-3.2.2 is used.
> Here is relevant portion from jstack - I attempted to attach jstack twice in my email to dev@hbase.apache.org but failed:
> "DestroyJavaVM" prio=10 tid=0x00002aabb849c800 nid=0x6c60 waiting on condition [0x0000000000000000]
> java.lang.Thread.State: RUNNABLE
> "regionserver/10.32.42.245:60020" prio=10 tid=0x00002aabb84ce000 nid=0x6c81 in Object.wait() [0x0000000043755000]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x00002aaab76633c0> (a org.apache.zookeeper.ClientCnxn$Packet)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1099)
> - locked <0x00002aaab76633c0> (a org.apache.zookeeper.ClientCnxn$Packet)
> at org.apache.zookeeper.ClientCnxn.close(ClientCnxn.java:1077)
> at org.apache.zookeeper.ZooKeeper.close(ZooKeeper.java:505)
> - locked <0x00002aaabf5e0c30> (a org.apache.zookeeper.ZooKeeper)
> at org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.close(ZooKeeperWrapper.java:681)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:654)
> at java.lang.Thread.run(Thread.java:619)
> "main-EventThread" daemon prio=10 tid=0x0000000043474000 nid=0x6c80 waiting on condition [0x00000000413f3000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x00002aaabf6e9150> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
> at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
> at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
> at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:414)
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