Rushabh Shah created ZOOKEEPER-4650:
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Summary: Zookeeper client leaks file descriptor in case of
UnknownHostException
Key: ZOOKEEPER-4650
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4650
Project: ZooKeeper
Issue Type: Bug
Components: java client
Affects Versions: 3.7.1, 3.4.14
Reporter: Rushabh Shah
Attachments: Screen Shot 2022-12-13 at 4.30.34 PM.png
Zookeeper client is causing the file descriptor leak when it is unable to
properly reach the destination. In this case, the DNS lookup fails but still
leaves an unbounded TCP socket.
A colleague took a heap dump of the application. Saw 17400
sun.nio.ch.SocketChannelImpl object reachable from root and the number matched
the open file descriptors on the host.
!Screen Shot 2022-12-13 at 4.30.34 PM.png!
More analysis from the heap dump in the comment.
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