Uploaded image for project: 'ZooKeeper'
  1. ZooKeeper
  2. ZOOKEEPER-2332

Zookeeper failed to start for empty txn log

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • 3.4.6
    • 3.10.0, 3.9.3
    • None

    Description

      We found that the zookeeper server with version 3.4.6 failed to start for there is a empty txn log in log dir.
      I think we should skip the empty log file during restoring the datatree.
      Any suggestion?

      2015-11-27 19:16:16,887 [myid:] - ERROR [main:ZooKeeperServerMain@63] - Unexpected exception, exiting abnormally
java.io.EOFException
at java.io.DataInputStream.readInt(DataInputStream.java:392)
at org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:63)
at org.apache.zookeeper.server.persistence.FileHeader.deserialize(FileHeader.java:64)
at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.inStreamCreated(FileTxnLog.java:576)
at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.createInputArchive(FileTxnLog.java:595)
at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.goToNextLog(FileTxnLog.java:561)
at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.next(FileTxnLog.java:643)
at org.apache.zookeeper.server.persistence.FileTxnSnapLog.restore(FileTxnSnapLog.java:158)
at org.apache.zookeeper.server.ZKDatabase.loadDataBase(ZKDatabase.java:223)
at org.apache.zookeeper.server.ZooKeeperServer.loadData(ZooKeeperServer.java:272)
at org.apache.zookeeper.server.ZooKeeperServer.startdata(ZooKeeperServer.java:399)
at org.apache.zookeeper.server.NIOServerCnxnFactory.startup(NIOServerCnxnFactory.java:122)
at org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:113)
at org.apache.zookeeper.server.ZooKeeperServerMain.initializeAndRun(ZooKeeperServerMain.java:86)
at org.apache.zookeeper.server.ZooKeeperServerMain.main(ZooKeeperServerMain.java:52)
at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:116)
at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:78)

      Attachments

        1. ZOOKEEPER-2332-v001.diff
          2 kB
          Shaohui Liu

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. ZOOKEEPER-2376 Server fails to start if there is a zero-length TxnLog file present in the log directory

          • Major - Major loss of function.
          • Resolved

          Improvement - An improvement or enhancement to an existing feature or task. ZOOKEEPER-4813 Make zookeeper start successfully when the last log file is dirty during the restore progress

          • Major - Major loss of function.
          • Resolved
          relates to

          Bug - A problem which impairs or prevents the functions of the product. ZOOKEEPER-1621 ZooKeeper does not recover from crash when disk was full

          • Major - Major loss of function.
          • Patch Available
          links to

          Web Link GitHub Pull Request #2141

          Activity

            People

              Unassigned Unassigned
              liushaohui Shaohui Liu
              Votes:
              3 Vote for this issue
              Watchers:
              17 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

                Time Tracking

                  Estimated:
                  Original Estimate - Not Specified
                  Not Specified
                  Remaining:
                  Remaining Estimate - 0h
                  0h
                  Logged:
                  Time Spent - 3.5h
                  3.5h