java.lang.RuntimeException: Unable to run quorum server

Apache's JIRA Issue Tracker | Ramnatthan Alagappan | 3 months ago
  1. 0

    I am running a three node ZooKeeper cluster. Renames of acceptedEpoch.tmp to acceptedEpoch and currentEpoch.tmp to currentEpoch have to persisted to disk by explicitly issuing fsync on the parent directory. If not, the rename might not hit the disk immediately and if a crash occurs at this point, then the server would fail to start with the following error in the log. If this happens on two more or nodes, then the cluster can become unavailable. [myid:] - INFO [main:QuorumPeerConfig@103] - Reading configuration from: /tmp/zoo2.cfg [myid:] - INFO [main:QuorumPeer$QuorumServer@149] - Resolved hostname: 127.0.0.2 to address: /127.0.0.2 [myid:] - INFO [main:QuorumPeer$QuorumServer@149] - Resolved hostname: 127.0.0.4 to address: /127.0.0.4 [myid:] - INFO [main:QuorumPeer$QuorumServer@149] - Resolved hostname: 127.0.0.3 to address: /127.0.0.3 [myid:] - INFO [main:QuorumPeerConfig@331] - Defaulting to majority quorums [myid:1] - INFO [main:DatadirCleanupManager@78] - autopurge.snapRetainCount set to 3 [myid:1] - INFO [main:DatadirCleanupManager@79] - autopurge.purgeInterval set to 0 [myid:1] - INFO [main:DatadirCleanupManager@101] - Purge task is not scheduled. [myid:1] - INFO [main:QuorumPeerMain@127] - Starting quorum peer [myid:1] - INFO [main:NIOServerCnxnFactory@89] - binding to port 0.0.0.0/0.0.0.0:2182 [myid:1] - INFO [main:QuorumPeer@1019] - tickTime set to 2000 [myid:1] - INFO [main:QuorumPeer@1039] - minSessionTimeout set to -1 [myid:1] - INFO [main:QuorumPeer@1050] - maxSessionTimeout set to -1 [myid:1] - INFO [main:QuorumPeer@1065] - initLimit set to 5 [myid:1] - INFO [main:FileSnap@83] - Reading snapshot /run/shm/dice-4636/113-98-129-z_majority_RO_OM_0=60_1=55/rdir-0/version-2/snapshot.100000002 [myid:1] - ERROR [main:QuorumPeer@557] - Unable to load database on disk java.io.IOException: The accepted epoch, 1 is less than the current epoch, 2 at org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:554) at org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:500) at org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:153) at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:111) at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:78) 2016-04-15 03:24:57,144 [myid:1] - ERROR [main:QuorumPeerMain@89] - Unexpected exception, exiting abnormally java.lang.RuntimeException: Unable to run quorum server at org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:558) at org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:500) at org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:153) at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:111) at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:78) Caused by: java.io.IOException: The accepted epoch, 1 is less than the current epoch, 2 at org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:554) ... 4 more Similarly, when new log file is created, the parent directory needs be explicitly fsynced to persist the log file. Otherwise a data loss might be possible (We have reproduced the above issues). Please see this: https://www.quora.com/Linux/When-should-you-fsync-the-containing-directory-in-addition-to-the-file-itself and http://research.cs.wisc.edu/wind/Publications/alice-osdi14.pdf.

    Apache's JIRA Issue Tracker | 3 months ago | Ramnatthan Alagappan
    java.lang.RuntimeException: Unable to run quorum server
  2. 0

    Unable to start Zookeeper with 2 servers in the quorum

    Stack Overflow | 3 years ago | dipteshc
    java.lang.RuntimeException: My id 11111111111 not in the peer list
  3. 0

    zookeeper server error: My id 4 not in the peer list

    Stack Overflow | 3 years ago | jaksky
    java.lang.RuntimeException: My id 4 not in the peer list at org.apache.zookeeper.server.quorum.QuorumPeer.startLeaderElection(QuorumPeer.java:479)
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    Unable to view namespaces, add namespace servers, etc. in DFS Managment | Windows Server - File Services and Storage

    solutionscore.com | 1 year ago
    java.lang.RuntimeException: My id 11111111111 not in the peer list
  6. 0

    Zookeeper my ID not in the peer list

    Stack Overflow | 12 months ago | mynameismevin
    java.lang.RuntimeException: My id 0 not in the peer list

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    Root Cause Analysis

    1. java.io.IOException

      The accepted epoch, 1 is less than the current epoch, 2

      at org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase()
    2. Zookeeper
      QuorumPeerMain.main
      1. org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:554)
      2. org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:500)
      3. org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:153)
      4. org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:111)
      5. org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:78)
      5 frames