shamjith antholi created ZOOKEEPER-2044:
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Summary: CancelledKeyException in zookeeper 3.4.5
Key: ZOOKEEPER-2044
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2044
Project: ZooKeeper
Issue Type: Bug
Components: server
Affects Versions: 3.4.5
Environment: Red Hat Enterprise Linux Server release 6.2
Reporter: shamjith antholi
Priority: Critical
Fix For: 3.4.5
I am getting cancelled key exception in zookeeper (version 3.4.5). Please see
the log below. When this error is thrown, the connected solr shard is going
down by giving the error "Failed to index metadata in
Solr,StackTrace=SolrError: HTTP status 503.Reason:
{"responseHeader":{"status":503,"QTime":204},"error":{"msg":"ClusterState says
we are the leader, but locally we don't think so","code":503" and ultimately
the current activity is going down. Could you please give a solution for this ?
Zookeper log
----------------------------------------------------------
2014-09-16 02:58:47,799 [myid:1] - INFO
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@832] - Client
attempting to renew session 0x24868e7ca980003 at /172.22.0.5:58587
2014-09-16 02:58:47,800 [myid:1] - INFO
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:Learner@107] - Revalidating client:
0x24868e7ca980003
2014-09-16 02:58:47,802 [myid:1] - INFO
[QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:ZooKeeperServer@588] - Invalid session
0x24868e7ca980003 for client /172.22.0.5:58587, probably expired
2014-09-16 02:58:47,803 [myid:1] - INFO
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1001] - Closed socket
connection for client /172.22.0.5:58587 which had sessionid 0x24868e7ca980003
2014-09-16 02:58:47,810 [myid:1] - ERROR [CommitProcessor:1:NIOServerCnxn@180]
- Unexpected Exception:
java.nio.channels.CancelledKeyException
at sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:55)
at sun.nio.ch.SelectionKeyImpl.interestOps(SelectionKeyImpl.java:59)
at
org.apache.zookeeper.server.NIOServerCnxn.sendBuffer(NIOServerCnxn.java:153)
at
org.apache.zookeeper.server.NIOServerCnxn.sendResponse(NIOServerCnxn.java:1076)
at
org.apache.zookeeper.server.NIOServerCnxn.process(NIOServerCnxn.java:1113)
at org.apache.zookeeper.server.DataTree.setWatches(DataTree.java:1327)
at
org.apache.zookeeper.server.ZKDatabase.setWatches(ZKDatabase.java:384)
at
org.apache.zookeeper.server.FinalRequestProcessor.processRequest(FinalRequestProcessor.java:304)
at
org.apache.zookeeper.server.quorum.CommitProcessor.run(CommitProcessor.java:74)
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