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From "mostolog@gmail.com" <mosto...@gmail.com>
Subject Re: Getting this error in ZK server logs : Unexpected exception causing shutdown while sock still open java.io.EOFException
Date Wed, 19 Jul 2017 09:41:17 GMT
Already posted about that a few days ago. still awaiting for an answer. 
We are using 3.5.3-beta


On 19/07/17 11:36, prashantkumar dhotre wrote:
> 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
>
>
>
>
> 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$AcceptThread@296] - Accepted socket connection from /
>         128.0.0.4:42854
>
> 114841 2017-06-22 11:24:18,422 [myid:2147483652] - INFO
> [NIOWorkerThread-4:ZooKeeperServer@969] - Client attempting to renew
> session 0x40000007cef0001 at /128.0.0.4:42854
>
> 114842 2017-06-22 11:24:18,422 [myid:2147483652] - INFO
> [NIOWorkerThread-4:ZooKeeperServer@678] - Established session 0x
> 40000007cef0001 with negotiated timeout 20000 for client /
> 128.0.0.4:42854
>
> 114843 2017-06-22 11:24:18,423 [myid:2147483652] - INFO
> [NIOServerCxnFactory.AcceptThread:/0.0.0.0:61808
> :NIOServerCnxnFactory$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
>


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