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From "prashantkumar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ZOOKEEPER-2848) Getting this error in ZK server logs : Unexpected exception causing shutdown while sock still open java.io.EOFException
Date Wed, 19 Jul 2017 13:49:00 GMT
prashantkumar created ZOOKEEPER-2848:
----------------------------------------

             Summary: Getting this error in ZK server logs : Unexpected exception causing
shutdown while sock still open java.io.EOFException
                 Key: ZOOKEEPER-2848
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2848
             Project: ZooKeeper
          Issue Type: Bug
            Reporter: prashantkumar


Hi
I am seeing below error in ZK logs : "Unexpected exception causing shutdown while sock still
open java.io.EOFException".
I am using zookeeper-3.5.1-alpha version.
Could you please help me resolve this issue
Thanks
 

{code:java}

114829 2017-06-22 11:24:18,182 [myid:2147483652] - INFO  [ProcessThread(sid:2147483652 cport:-1)::PrepRequestProcessor@649]
- Processed session termination for sessionid:                  0x40000007cef003d
114830 2017-06-22 11:24:18,182 [myid:2147483652] - INFO  [NIOWorkerThread-8:MBeanRegistry@119]
- Unregister MBean [org.apache.ZooKeeperService:name0=ReplicatedServer_id2147483652,     
   name1=replica.2147483652,name2=Leader,name3=Connections,name4=128.0.0.5,name5=0x40000007cef003d]
114831 2017-06-22 11:24:18,183 [myid:2147483652] - INFO  [NIOWorkerThread-8:NIOServerCnxn@606]
- Closed socket connection for client /128.0.0.5:34651 which had sessionid               
   0x40000007cef003d
114832 2017-06-22 11:24:18,421 [myid:2147483652] - ERROR [LearnerHandler-/128.0.0.5:33610:LearnerHandler@604]
- Unexpected exception causing shutdown while sock still open
114833 java.io.EOFException
114834     at java.io.DataInputStream.readInt(DataInputStream.java:403)
114835     at org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:63)
114836     at org.apache.zookeeper.server.quorum.QuorumPacket.deserialize(QuorumPacket.java:83)
114837     at org.apache.jute.BinaryInputArchive.readRecord(BinaryInputArchive.java:99)
114838     at org.apache.zookeeper.server.quorum.LearnerHandler.run(LearnerHandler.java:515)
114839 2017-06-22 11:24:18,422 [myid:2147483652] - WARN  [LearnerHandler-/128.0.0.5:33610:LearnerHandler@619]
- ******* GOODBYE /128.0.0.5:33610 ********
114840 2017-06-22 11:24:18,422 [myid:2147483652] - INFO  [NIOServerCxnFactory.AcceptThread:/0.0.0.0:61808:NIOServerCnxnFactory$AcceptThread@296]
- Accepted socket connection from /        128.0.0.4:42854
114841 2017-06-22 11:24:18,422 [myid:2147483652] - INFO  [NIOWorkerThread-4:ZooKeeperServer@969]
- Client attempting to renew session 0x40000007cef0001 at /128.0.0.4:42854
114842 2017-06-22 11:24:18,422 [myid:2147483652] - INFO  [NIOWorkerThread-4:ZooKeeperServer@678]
- Established session 0x40000007cef0001 with negotiated timeout 20000 for client /       
 128.0.0.4:42854
114843 2017-06-22 11:24:18,423 [myid:2147483652] - INFO  [NIOServerCxnFactory.AcceptThread:/0.0.0.0:61808:NIOServerCnxnFactory$AcceptThread@296]
- Accepted socket connection from /        128.0.0.4:42862
114844 2017-06-22 11:24:18,423 [myid:2147483652] - INFO  [NIOServerCxnFactory.AcceptThread:/0.0.0.0:61808:NIOSe
 
 +++++
 
 After some time ..

 
114851 2017-06-22 11:24:18,423 [myid:2147483652] - INFO  [NIOWorkerThread-12:ZooKeeperServer@678]
- Established session 0x40000007cef0003 with negotiated timeout 20000 for client /       
128.0.0.4:42866
114852 2017-06-22 11:24:19,001 [myid:2147483652] - INFO  [NIOServerCxnFactory.AcceptThread:/0.0.0.0:61808:NIOServerCnxnFactory$AcceptThread@296]
- Accepted socket connection from /        128.0.0.4:42892
114853 2017-06-22 11:24:19,001 [myid:2147483652] - INFO  [NIOWorkerThread-13:ZooKeeperServer@964]
- Client attempting to establish new session at /128.0.0.4:42892
114854 2017-06-22 11:24:19,211 [myid:2147483652] - INFO  [SessionTracker:ZooKeeperServer@384]
- Expiring session 0x40000007cef016c, timeout of 20000ms exceeded
114855 2017-06-22 11:24:19,211 [myid:2147483652] - INFO  [SessionTracker:QuorumZooKeeperServer@132]
- Submitting global closeSession request for session 0x40000007cef016c
114856 2017-06-22 11:24:19,211 [myid:2147483652] - INFO  [SessionTracker:ZooKeeperServer@384]
- Expiring session 0x40000007cef016d, timeout of 20000ms exceeded
114857 2017-06-22 11:24:19,211 [myid:2147483652] - INFO  [ProcessThread(sid:2147483652 cport:-1)::PrepRequestProcessor@649]
- Processed session termination for sessionid:                  0x40000007cef016c
114858 2017-06-22 11:24:19,211 [myid:2147483652] - INFO  [SessionTracker:QuorumZooKeeperServer@132]
- Submitting global closeSession request for session 0x40000007cef016d
114859 2017-06-22 11:24:19,211 [myid:2147483652] - INFO  [ProcessThread(sid:2147483652 cport:-1)::PrepRequestProcessor@649]
- Processed session termination for sessionid:                  0x40000007cef016d
114860 2017-06-22 11:24:19,579 [myid:2147483652] - INFO  [QuorumPeer[myid=2147483652](plain=/0:0:0:0:0:0:0:0:61808)(secure=disabled):Leader@613]
- Shutting down
114861 2017-06-22 11:24:19,579 [myid:2147483652] - INFO  [QuorumPeer[myid=2147483652](plain=/0:0:0:0:0:0:0:0:61808)(secure=disabled):Leader@619]
- Shutdown called
114862 java.lang.Exception: shutdown Leader! reason: Not sufficient followers synced, only
synced with sids: [ [2147483652] ]
114863     at org.apache.zookeeper.server.quorum.Leader.shutdown(Leader.java:619)
114864     at org.apache.zookeeper.server.quorum.Leader.lead(Leader.java:590)
114865     at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:1077)
114866 2017-06-22 11:24:19,579 [myid:2147483652] - INFO  [QuorumPeer[myid=2147483652](plain=/0:0:0:0:0:0:0:0:61808)(secure=disabled):MBeanRegistry@119]
- Unregister MBean [org.            apache.ZooKeeperService:name0=ReplicatedServer_id2147483652,name1=replica.2147483652,name2=Leader,name3=Connections,name4=128.0.0.4,name5=0x40000007cef006b]
114867 2017-06-22 11:24:19,579 [myid:2147483652] - INFO  [LearnerCnxAcceptor-0.0.0.0/0.0.0.0:61809:Leader$LearnerCnxAcceptor@373]
- exception while shutting down acceptor: java.net.       SocketException: Socket closed
114868 2017-06-22 11:24:19,581 [myid:2147483652] - INFO  [QuorumPeer[myid=2147483652](plain=/0:0:0:0:0:0:0:0:61808)(secure=disabled):NIOServerCnxn@606]
- Closed socket connection          for client /128.0.0.4:41674 which had sessionid 0x40000007cef006b

{code}




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