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Lars Hofhansl commented on HBASE-25279: --------------------------------------- I agree the failure to close the watcher is the bug. We're pasting over the actual problem, and I bet that nobody will fix HBASE-25505 :) > Non-daemon thread in ZKWatcher > ------------------------------ > > Key: HBASE-25279 > URL: https://issues.apache.org/jira/browse/HBASE-25279 > Project: HBase > Issue Type: Bug > Components: Zookeeper > Reporter: Josh Elser > Assignee: Josh Elser > Priority: Critical > Fix For: 3.0.0-alpha-1, 2.5.0, 2.4.1 > > > ZKWatcher spawns an ExecutorService which doesn't mark its threads as daemons > which will prevent clean shut downs. -- This message was sent by Atlassian Jira (v8.3.4#803005)