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https://issues.apache.org/jira/browse/ZOOKEEPER-1115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Flavio Junqueira resolved ZOOKEEPER-1115.
-----------------------------------------
Resolution: Not A Problem
I'm resolving this one as not a problem, given the discussion in the jira, and
please feel free to reopen if needed. Also, note that this jira was created for
the 3.3 branch, and we've been recommending that users move to the 3.4 branch.
> follower can not sync with leader
> ---------------------------------
>
> Key: ZOOKEEPER-1115
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1115
> Project: ZooKeeper
> Issue Type: Bug
> Components: quorum
> Affects Versions: 3.3.0, 3.3.3
> Environment: linux rhel 4, x64, java version 1.4.2
> Reporter: helei
> Priority: Critical
>
> there are 5 members in the quorum. one follower can not sync with leader
> after restart. it seems leader has close the data connection with this
> follower because of read timeout. here is the key log in follower:
> {noformat}
> 2011-06-30 22:14:45,069 - WARN [Thread-17:QuorumCnxManager$RecvWorker@658] -
> Connection broken:
> java.nio.channels.ClosedChannelException
> at
> sun.nio.ch.SocketChannelImpl.ensureReadOpen(SocketChannelImpl.java:113)
> at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:156)
> at
> org.apache.zookeeper.server.quorum.QuorumCnxManager$RecvWorker.run(QuorumCnxManager.java:629)
> 2011-06-30 22:14:45,069 - INFO
> [QuorumPeer:/0.0.0.0:2181:FastLeaderElection@689] - Notification: 3,
> 17198470148, 3, 3, LOOKING, LOOKING, 3
> 2011-06-30 22:14:45,070 - ERROR [Thread-16:QuorumCnxManager$SendWorker@559] -
> Failed to send last message. Shutting down thread.
> java.nio.channels.ClosedChannelException
> at
> sun.nio.ch.SocketChannelImpl.ensureWriteOpen(SocketChannelImpl.java:126)
> at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:324)
> at
> org.apache.zookeeper.server.quorum.QuorumCnxManager$SendWorker.send(QuorumCnxManager.java:548)
> at
> org.apache.zookeeper.server.quorum.QuorumCnxManager$SendWorker.run(QuorumCnxManager.java:557)
> 2011-06-30 22:14:45,082 - INFO [QuorumPeer:/0.0.0.0:2181:Learner@282] -
> Getting a diff from the leader 0x4011bd462
> 2011-06-30 22:14:45,083 - WARN [Thread-18:QuorumCnxManager$SendWorker@589] -
> Send worker leaving thread
> 2011-06-30 22:14:45,085 - WARN [QuorumPeer:/0.0.0.0:2181:Follower@116] - Got
> zxid 0x4011bd405 expected 0x1
> 2011-06-30 22:14:45,090 - INFO [QuorumPeer:/0.0.0.0:2181:FileTxnSnapLog@208]
> - Snapshotting: 4011bd462
> 2011-06-30 22:14:53,397 - WARN [SyncThread:3:SendAckRequestProcessor@63] -
> Closing connection to leader, exception during packet send
> java.net.SocketException: Broken pipe
> at java.net.SocketOutputStream.socketWrite0(Native Method)
> at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
> at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
> at
> java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
> at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
> at
> org.apache.zookeeper.server.quorum.Learner.writePacket(Learner.java:126)
> at
> org.apache.zookeeper.server.quorum.SendAckRequestProcessor.flush(SendAckRequestProcessor.java:61)
> at
> org.apache.zookeeper.server.SyncRequestProcessor.flush(SyncRequestProcessor.java:164)
> at
> org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:98)
> 2011-06-30 22:14:53,398 - WARN [QuorumPeer:/0.0.0.0:2181:Follower@82] -
> Exception when following the leader
> java.net.SocketException: Socket closed
> at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:99)
> at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
> at
> java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
> at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
> at
> org.apache.zookeeper.server.quorum.Learner.writePacket(Learner.java:126)
> at org.apache.zookeeper.server.quorum.Learner.ping(Learner.java:358)
> at
> org.apache.zookeeper.server.quorum.Follower.processPacket(Follower.java:108)
> at
> org.apache.zookeeper.server.quorum.Follower.followLeader(Follower.java:79)
> at
> org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:634)
> 2011-06-30 22:14:53,398 - WARN [SyncThread:3:SendAckRequestProcessor@63] -
> Closing connection to leader, exception during packet send
> java.net.SocketException: Socket closed
> at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:99)
> at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
> at
> java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
> at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
> at
> org.apache.zookeeper.server.quorum.Learner.writePacket(Learner.java:126)
> at
> org.apache.zookeeper.server.quorum.SendAckRequestProcessor.flush(SendAckRequestProcessor.java:61)
> at
> org.apache.zookeeper.server.SyncRequestProcessor.flush(SyncRequestProcessor.java:164)
> at
> org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:98)
> 2011-06-30 22:14:53,399 - INFO [QuorumPeer:/0.0.0.0:2181:Follower@166] -
> shutdown called
> java.lang.Exception: shutdown Follower
> at
> org.apache.zookeeper.server.quorum.Follower.shutdown(Follower.java:166)
> at
> org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:638)
> and these are the leader's:
> 2011-06-30 22:14:35,943 - ERROR
> [LearnerHandler-/10.23.247.163:14975:LearnerHandler@444] - Unexpected
> exception causing shutdown while sock still open
> java.net.SocketTimeoutException: Read timed out
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
> at java.io.DataInputStream.readInt(DataInputStream.java:370)
> at
> org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:63)
> at
> org.apache.zookeeper.server.quorum.QuorumPacket.deserialize(QuorumPacket.java:84)
> at
> org.apache.jute.BinaryInputArchive.readRecord(BinaryInputArchive.java:108)
> at
> org.apache.zookeeper.server.quorum.LearnerHandler.run(LearnerHandler.java:358)
> 2011-06-30 22:14:35,943 - WARN
> [LearnerHandler-/10.23.247.163:14975:LearnerHandler@457] - ******* GOODBYE
> /10.23.247.163:14975 ********
> 2011-06-30 22:14:48,943 - ERROR [CommitProcessor:4:NIOServerCnxn@422] -
> 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:395)
> at
> org.apache.zookeeper.server.NIOServerCnxn.sendResponse(NIOServerCnxn.java:1360)
> at
> org.apache.zookeeper.server.FinalRequestProcessor.processRequest(FinalRequestProcessor.java:367)
> at
> org.apache.zookeeper.server.quorum.Leader$ToBeAppliedRequestProcessor.processRequest(Leader.java:535)
> at
> org.apache.zookeeper.server.quorum.CommitProcessor.run(CommitProcessor.java:73)
> 2011-06-30 22:14:49,084 - ERROR
> [LearnerHandler-/10.23.247.163:14998:LearnerHandler@444] - Unexpected
> exception causing shutdown while sock still open
> java.net.SocketTimeoutException: Read timed out
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
> at java.io.DataInputStream.readInt(DataInputStream.java:370)
> at
> org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:63)
> at
> org.apache.zookeeper.server.quorum.QuorumPacket.deserialize(QuorumPacket.java:84)
> at
> org.apache.jute.BinaryInputArchive.readRecord(BinaryInputArchive.java:108)
> at
> org.apache.zookeeper.server.quorum.LearnerHandler.run(LearnerHandler.java:358)
> 2011-06-30 22:14:49,084 - WARN
> [LearnerHandler-/10.23.247.163:14998:LearnerHandler@457] - ******* GOODBYE
> /10.23.247.163:14998 ********
> {noformat}
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