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Posted to dev@zookeeper.apache.org by "Enrico Olivelli (Jira)" <ji...@apache.org> on 2022/05/31 11:45:00 UTC
[jira] [Created] (ZOOKEEPER-4551) Do not log spammy stacktrace when a client closes its connection
Enrico Olivelli created ZOOKEEPER-4551:
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Summary: Do not log spammy stacktrace when a client closes its connection
Key: ZOOKEEPER-4551
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4551
Project: ZooKeeper
Issue Type: Improvement
Components: server
Reporter: Enrico Olivelli
Assignee: Enrico Olivelli
Currently (3.8, but this has always been happening IIRC), the server logs a scary stacktrace when a client closes its connection.
This is not something the administrator should be afraid of, so we should not write the stacktrace on the logs.
{code:java}
2022-05-31T08:55:22,205+0000 [NIOWorkerThread-1] WARN org.apache.zookeeper.server.NIOServerCnxn - Unexpected exception │
│ org.apache.zookeeper.server.ServerCnxn$EndOfStreamException: Unable to read additional data from client, it probably closed the socket: address = /10.44.1.5:43468, session = 0x100002ec7a30032 │
│ at org.apache.zookeeper.server.NIOServerCnxn.handleFailedRead(NIOServerCnxn.java:170) ~[org.apache.zookeeper-zookeeper-3.8.0.jar:3.8.0] │
│ at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:333) [org.apache.zookeeper-zookeeper-3.8.0.jar:3.8.0] │
│ at org.apache.zookeeper.server.NIOServerCnxnFactory$IOWorkRequest.doWork(NIOServerCnxnFactory.java:508) [org.apache.zookeeper-zookeeper-3.8.0.jar:3.8.0] │
│ at org.apache.zookeeper.server.WorkerService$ScheduledWorkRequest.run(WorkerService.java:153) [org.apache.zookeeper-zookeeper-3.8.0.jar:3.8.0]
{code}
│
│ at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?] │
│ at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?] │
│ at java.lang.Thread.run(Thread.java:829) [?:?]
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