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  1. ZooKeeper
  2. ZOOKEEPER-3036

Unexpected exception in zookeeper

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    Details

    • Type: Bug
    • Status: Open
    • Priority: Critical
    • Resolution: Unresolved
    • Affects Version/s: 3.4.10
    • Fix Version/s: None
    • Component/s: quorum, server
    • Labels:
      None
    • Environment:

      3 Zookeepers, 5 kafka servers

      Description

      We got an issue with one of the zookeeprs (Leader), causing the entire kafka cluster to fail:

      2018-05-09 02:29:01,730 [myid:3] - ERROR [LearnerHandler-/192.168.0.91:42490:LearnerHandler@648] - 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.socketRead(SocketInputStream.java:116)
              at java.net.SocketInputStream.read(SocketInputStream.java:171)
              at java.net.SocketInputStream.read(SocketInputStream.java:141)
              at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
              at java.io.BufferedInputStream.read(BufferedInputStream.java:265)
              at java.io.DataInputStream.readInt(DataInputStream.java:387)
              at org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:63)
              at org.apache.zookeeper.server.quorum.QuorumPacket.deserialize(QuorumPacket.java:83)
              at org.apache.jute.BinaryInputArchive.readRecord(BinaryInputArchive.java:99)
              at org.apache.zookeeper.server.quorum.LearnerHandler.run(LearnerHandler.java:559)
      2018-05-09 02:29:01,730 [myid:3] - WARN  [LearnerHandler-/192.168.0.91:42490:LearnerHandler@661] - ******* GOODBYE /192.168.0.91:42490 ********

       

      We would expect that zookeeper will choose another Leader and the Kafka cluster will continue to work as expected, but that was not the case.

       

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            • Assignee:
              Unassigned
              Reporter:
              oded@coralogix.com Oded
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              Dates

              • Created:
                Updated: