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Posted to issues@hbase.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2019/03/21 23:22:00 UTC
[jira] [Created] (HBASE-22079) master leaks ZK on shutdown and gets
stuck because of netty threads if netty socket is used
Sergey Shelukhin created HBASE-22079:
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Summary: master leaks ZK on shutdown and gets stuck because of netty threads if netty socket is used
Key: HBASE-22079
URL: https://issues.apache.org/jira/browse/HBASE-22079
Project: HBase
Issue Type: Bug
Reporter: Sergey Shelukhin
Assignee: Sergey Shelukhin
{noformat}
"master/...:17000:becomeActiveMaster-SendThread(...1)" #311 daemon prio=5 os_prio=0 tid=0x0000000058c61800 nid=0x2dd0 waiting on condition [0x0000000c477fe000]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000c4a5b3c0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
at java.util.concurrent.LinkedBlockingDeque.pollFirst(LinkedBlockingDeque.java:522)
at java.util.concurrent.LinkedBlockingDeque.poll(LinkedBlockingDeque.java:684)
at org.apache.zookeeper.ClientCnxnSocketNetty.doTransport(ClientCnxnSocketNetty.java:232)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1146)
{noformat}
This causes a bunch of netty threads to also leak it looks like, and these are not daemon (by design, apparently)
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