Dmitry Ryabkov created ZOOKEEPER-2376: -----------------------------------------
Summary: Server fails to start if there is a zero-length TxnLog file present in the log directory Key: ZOOKEEPER-2376 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2376 Project: ZooKeeper Issue Type: Bug Components: server Affects Versions: 3.4.6 Environment: Windows Reporter: Dmitry Ryabkov If there is an empty TxnLog file in the log file folder, ZooKeeper server fails to start. This is the exception it logs: 2015-11-02 07:41:10.479 -0600 (,,,) main : ERROR org.apache.zookeeper.server.ZooKeeperServerMain - 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) Zero-length log file can be created if FileTxnLog.append() crashes after it creates FileOutputStream but before it serializes and flushes the header. -- This message was sent by Atlassian JIRA (v6.3.4#6332)