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Posted to notifications@zookeeper.apache.org by GitBox <gi...@apache.org> on 2020/03/26 11:36:48 UTC
[GitHub] [zookeeper] aoozdemir edited a comment on issue #156:
ZOOKEEPER-2044:CancelledKeyException in zookeeper 3.4.5.
aoozdemir edited a comment on issue #156: ZOOKEEPER-2044:CancelledKeyException in zookeeper 3.4.5.
URL: https://github.com/apache/zookeeper/pull/156#issuecomment-604373972
@maoling
I'm guessing that it's not critical, but it's not ideal to have the error all the time. Below is the error log we get with the `zookeeper metricbeat module` enabled. We use the version 7.6 if that's related as well. I don't know what else you need, however, this is the image we use;
```
image: "k8s.gcr.io/kubernetes-zookeeper:1.0-3.4.10"
```
and the configuration for the start-zookeeper;
```
start-zookeeper \
--servers=3 \
--data_dir=/var/lib/zookeeper/data \
--data_log_dir=/var/lib/zookeeper/data/log \
--conf_dir=/opt/zookeeper/conf \
--client_port=2181 \
--election_port=3888 \
--server_port=2888 \
--tick_time=2000 \
--init_limit=10 \
--sync_limit=5 \
--heap=512M \
--max_client_cnxns=60 \
--snap_retain_count=3 \
--purge_interval=12 \
--max_session_timeout=40000 \
--min_session_timeout=4000 \
--log_level=INFO
```
---
```
2020-03-26T10:04:45.382Z 2020-03-26 10:04:45,382 [myid:3] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@883] - Processing mntr command from /__IPADDRESSOMITTED__:58844
2020-03-26T10:04:45.382Z 2020-03-26 10:04:45,382 [myid:3] - INFO [Thread-48554:NIOServerCnxn@1044] - Closed socket connection for client /__IPADDRESSOMITTED__:58844 (no session established for client)
2020-03-26T10:04:45.386Z Exception in thread "Thread-48553" java.nio.channels.CancelledKeyException
2020-03-26T10:04:45.387Z at sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:73)
2020-03-26T10:04:45.387Z at org.apache.zookeeper.server.ServerCnxn.dumpConnectionInfo(ServerCnxn.java:500)
2020-03-26T10:04:45.387Z at org.apache.zookeeper.server.NIOServerCnxn.getInterestOps(NIOServerCnxn.java:1180)
2020-03-26T10:04:45.387Z at org.apache.zookeeper.server.NIOServerCnxn$CommandThread.run(NIOServerCnxn.java:515)
2020-03-26T10:04:45.387Z at sun.nio.ch.SelectionKeyImpl.interestOps(SelectionKeyImpl.java:77)
2020-03-26T10:04:45.387Z at org.apache.zookeeper.server.NIOServerCnxn$ConsCommand.commandRun(NIOServerCnxn.java:715)
```
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