Sergey Shelukhin created HBASE-22079: ----------------------------------------
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) -- This message was sent by Atlassian JIRA (v7.6.3#76005)