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https://issues.apache.org/jira/browse/KAFKA-1857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14274620#comment-14274620
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Neha Narkhede commented on KAFKA-1857:
--------------------------------------
You might find this useful - http://kafka.apache.org/contact.html
> Kafka Broker ids are removed ( with zookeeper , Storm )
> -------------------------------------------------------
>
> Key: KAFKA-1857
> URL: https://issues.apache.org/jira/browse/KAFKA-1857
> Project: Kafka
> Issue Type: Bug
> Components: consumer, controller
> Affects Versions: 0.8.1
> Environment: Ubuntu , With Storm-kafka and zookeeeper 3.4.6
> Reporter: Yoonhyeok Kim
>
> Hi,
> I am using kind of Real-time analytics system with
> zookeeper, Storm & Kafka.
> -versions
> Storm : storm-corer-0.9.2
> Kafka 0.8.1 (3 brokers)
> storm-kafka : 0.9.2
> zookeeper 3.4.6 (standalone)
> But this problem occurs when I use pre-versions as well.
> - exceptions
> EndOfStreamException,
> java.nio.channels.CancelledKeyException,
> org.apache.zookeeper.KeeperException$BadVersionException
> -----------------------
> When I use kafka spout with storm , sometimes there was zookeeper logs like
> (zookeeper.out)
> {code}
> 2015-01-10 19:19:00,836 [myid:] - WARN
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@357] - caught end of
> stream exception
> EndOfStreamException: Unable to read additional data from client sessionid
> 0x14ab82c142b0658, likely client has closed socket
> at
> org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)
> at
> org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
> at java.lang.Thread.run(Thread.java:619)
> {code}
> still, zookeeper is working well, and storm-kafka looks fine , transfers data
> rightly.
> But as time goes by, those kind of Error keep occurs and then I saw different
> logs like...
> {code}
> 2015-01-10 23:22:11,022 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] - Closed
> socket connection for client /70.7.12.38:48504 which had sessionid
> 0x14ab82c142b0644
> 2015-01-10 23:22:11,023 [myid:] - WARN
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@357] - caught end of
> stream exception
> EndOfStreamException: Unable to read additional data from client sessionid
> 0x14ab82c142b001d, likely client has closed socket
> at
> org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)
> at
> org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
> at java.lang.Thread.run(Thread.java:619)
> 2015-01-10 23:22:11,023 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] - Closed
> socket connection for client /70.7.12.38:55885 which had sessionid
> 0x14ab82c142b001d
> 2015-01-10 23:22:11,023 [myid:] - WARN
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@357] - caught end of
> stream exception
> EndOfStreamException: Unable to read additional data from client sessionid
> 0x14ab82c142b063e, likely client has closed socket
> at
> org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)
> at
> org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
> at java.lang.Thread.run(Thread.java:619)
> 2015-01-10 23:22:11,026 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] - Closed
> socket connection for client /70.7.12.38:48444 which had sessionid
> 0x14ab82c142b063e
> 2015-01-10 23:22:11,026 [myid:] - WARN
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@357] - caught end of
> stream exception
> EndOfStreamException: Unable to read additional data from client sessionid
> 0x14ab82c142b0639, likely client has closed socket
> at
> org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)
> at
> org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
> at java.lang.Thread.run(Thread.java:619)
> 2015-01-10 23:22:11,027 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] - Closed
> socket connection for client /70.7.12.38:56724 which had sessionid
> 0x14ab82c142b0658
> 2015-01-10 23:22:11,431 [myid:] - ERROR [SyncThread:0:NIOServerCnxn@178] -
> 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:151)
> at
> org.apache.zookeeper.server.NIOServerCnxn.sendResponse(NIOServerCnxn.java:1081)
> at
> org.apache.zookeeper.server.FinalRequestProcessor.processRequest(FinalRequestProcessor.java:170)
> at
> org.apache.zookeeper.server.SyncRequestProcessor.flush(SyncRequestProcessor.java:200)
> at
> org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:131)
> 2015-01-10 23:22:11,432 [myid:] - ERROR [SyncThread:0:NIOServerCnxn@178] -
> 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:151)
> at
> org.apache.zookeeper.server.NIOServerCnxn.sendResponse(NIOServerCnxn.java:1081)
> at
> org.apache.zookeeper.server.FinalRequestProcessor.processRequest(FinalRequestProcessor.java:170)
> at
> org.apache.zookeeper.server.SyncRequestProcessor.flush(SyncRequestProcessor.java:200)
> at
> org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:131)
> 2015-01-10 23:22:11,432 [myid:] - ERROR [SyncThread:0:NIOServerCnxn@178] -
> 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:151)
> at
> org.apache.zookeeper.server.NIOServerCnxn.sendResponse(NIOServerCnxn.java:1081)
> at
> org.apache.zookeeper.server.FinalRequestProcessor.processRequest(FinalRequestProcessor.java:170)
> at
> org.apache.zookeeper.server.SyncRequestProcessor.flush(SyncRequestProcessor.java:200)
> at
> org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:131)
> 2015-01-10 23:22:11,433 [myid:] - ERROR [SyncThread:0:NIOServerCnxn@178] -
> 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:151)
> at
> org.apache.zookeeper.server.NIOServerCnxn.sendResponse(NIOServerCnxn.java:1081)
> at
> org.apache.zookeeper.server.FinalRequestProcessor.processRequest(FinalRequestProcessor.java:404)
> at
> org.apache.zookeeper.server.SyncRequestProcessor.flush(SyncRequestProcessor.java:200)
> at
> org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:131)
> {code}
> and it goes like
> {code}
> 2015-01-10 23:22:11,455 [myid:] - ERROR [SyncThread:0:NIOServerCnxn@178] -
> 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:151)
> at
> org.apache.zookeeper.server.NIOServerCnxn.sendResponse(NIOServerCnxn.java:1081)
> at
> org.apache.zookeeper.server.FinalRequestProcessor.processRequest(FinalRequestProcessor.java:404)
> at
> org.apache.zookeeper.server.SyncRequestProcessor.flush(SyncRequestProcessor.java:200)
> at
> org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:131)
> 2015-01-10 23:22:11,873 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@197] -
> Accepted socket connection from /70.7.12.38:58008
> 2015-01-10 23:22:11,889 [myid:] - WARN
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@822] - Connection
> request from old client /70.7.12.38:58008; will be dropped if server is in
> r-o mode
> 2015-01-10 23:22:11,889 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@861] - Client
> attempting to renew session 0x14ab82c142b000c at /70.7.12.38:58008
> 2015-01-10 23:22:11,890 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@610] - Invalid
> session 0x14ab82c142b000c for client /70.7.12.38:58008, probably expired
> 2015-01-10 23:22:11,890 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] - Closed
> socket connection for client /70.7.12.38:58008 which had sessionid
> 0x14ab82c142b000c
> 2015-01-10 23:22:12,111 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@197] -
> Accepted socket connection from /70.7.12.38:58009
> 2015-01-10 23:22:12,138 [myid:] - WARN
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@822] - Connection
> request from old client /70.7.12.38:58009; will be dropped if server is in
> r-o mode
> 2015-01-10 23:22:12,138 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@868] - Client
> attempting to establish new session at /70.7.12.38:58009
> 2015-01-10 23:22:12,238 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@197] -
> Accepted socket connection from /70.7.12.38:58010
> 2015-01-10 23:22:12,239 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@861] - Client
> attempting to renew session 0x14ab82c142b0644 at /70.7.12.38:58010
> 2015-01-10 23:22:12,240 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@617] - Established
> session 0x14ab82c142b0644 with negotiated timeout 20000 for client
> /70.7.12.38:58010
> 2015-01-10 23:22:12,271 [myid:] - INFO [SyncThread:0:ZooKeeperServer@617] -
> Established session 0x14ab82c142b0659 with negotiated timeout 6000 for client
> /70.7.12.38:58009
> {code}
> And finally,,,
> out of nowhere, SOMETHING removed kafka brokers (ids) in zookeeper.
> There is no longer /brokers/ids in zkCli.sh (before, there was [1,2,3]
> three kafka brokers which I made)
> This is a huge problem, cause after brokers gone, data transfer stops
> immediately.
> and zookeeper says like(zookeeper.out)
> {code}
> 2015-01-10 23:30:56,691 [myid:] - INFO [ProcessThread(sid:0
> cport:-1)::PrepRequestProcessor@645] - Got user-level KeeperException when
> processing sessionid:0x14ab82c142b0659 type:setData cxid:0x65 zxid:0x108720
> txntype:-1 reqpath:n/a Error
> Path:/brokers/topics/order-topic/partitions/2/state Error:KeeperErrorCode =
> BadVersion for /brokers/topics/order-topic/partitions/2/state
> 2015-01-10 23:30:56,692 [myid:] - INFO [ProcessThread(sid:0
> cport:-1)::PrepRequestProcessor@645] - Got user-level KeeperException when
> processing sessionid:0x14ab82c142b0659 type:setData cxid:0x66 zxid:0x108721
> txntype:-1 reqpath:n/a Error
> Path:/brokers/topics/ais-topic/partitions/2/state Error:KeeperErrorCode =
> BadVersion for /brokers/topics/ais-topic/partitions/2/state
> 2015-01-10 23:31:06,690 [myid:] - INFO [ProcessThread(sid:0
> cport:-1)::PrepRequestProcessor@645] - Got user-level KeeperException when
> processing sessionid:0x14ab82c142b0659 type:setData cxid:0x67 zxid:0x10873c
> txntype:-1 reqpath:n/a Error
> Path:/brokers/topics/order-topic/partitions/2/state Error:KeeperErrorCode =
> BadVersion for /brokers/topics/order-topic/partitions/2/state
> {code}
> and Kafka (server.log) logs like
> {code}
> [2015-01-12 13:07:46,692] INFO Partition [order-topic,2] on broker 1: Cached
> zkVersion [2] not equal to that in zookeeper, skip updating ISR
> (kafka.cluster.Partition)
> [2015-01-12 13:07:46,692] INFO Partition [ais-topic,2] on broker 1: Shrinking
> ISR for partition [ais-topic,2] from 1,2 to 1 (kafka.cluster.Partition)
> [2015-01-12 13:07:46,693] ERROR Conditional update of path
> /brokers/topics/ais-topic/partitions/2/state with data
> {"controller_epoch":1,"leader":1,"version":1,"leader_epoch":1,"isr":[1]} and
> expected version 2 failed due to
> org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode =
> BadVersion for /brokers/topics/ais-topic/partitions/2/state
> (kafka.utils.ZkUtils$)
> [2015-01-12 13:07:46,693] INFO Partition [ais-topic,2] on broker 1: Cached
> zkVersion [2] not equal to that in zookeeper, skip updating ISR
> (kafka.cluster.Partition)
> {code}
> - my topic name is ais-topic, order-topic. 2 replicates.
> and broker ids are 1,2,3 .
> I did nothing on server, since 2015-01-09 18:37.
> At that time, I killed two storm topologies and re-submit.
> next 2 days, system runs fine. Although
> "EndOfStreamException" occured since I started zookeeper, there was no
> critical issues within 3days... so I think
> there would be another reason.
> I must know why and what is removing kafka-broker so that I can avoid that
> critical errors. (even the logs are not recognized , I only care about
> brokers)
> please help me out of this problem any chance.
> if I wrote a wrong issue on this dashboard, sorry about that... I am new
> here.
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