Hi Suman, This should be related to hostname. You have used below
server.1=host1:3888:4888 server.2=host2:3888:4888 server.3=host3:3888:4888 try to use actual hostname (or IP address preferable). I am using following in my Zookeeper and it is working fine. server.1=10.20.5.129:2888:3888 server.2=10.20.5.194:2888:3888 server.3=10.20.5.195:2888:3888 Thanks, Dilip Kumar 3K50, One Lake Street (Pearson Education) Upper Saddle River, NJ- 07458 Office# 201-236-7163 Cell#201-515-0606 [email protected] -----Original Message----- From: suman p [mailto:[email protected]] Sent: Tuesday, May 21, 2013 9:04 AM To: [email protected] Subject: Transaction log: /logs/jhe/nc/apps/zookeeper/version-2/log.1400470027 has invalid magic number 0 != 1514884167 Hello, We are running zookeeper ensemble of 3 servers. Today one of our sever died. When i restarted the sever i am getting the following error java.io.IOException: Transaction log: /logs/jhe/nc/apps/zookeeper/version-2/log.1400470027 has invalid magic number 0 != 1514884167 at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.inStreamCreated(FileTxnLog.java:560) at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.createInputArchive(FileTxnLog.java:577) at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.goToNextLog(FileTxnLog.java:543) at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.init(FileTxnLog.java:525) at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.<init>(FileTxnLog.java:504) at org.apache.zookeeper.server.persistence.FileTxnLog.read(FileTxnLog.java:341) at org.apache.zookeeper.server.persistence.FileTxnSnapLog.restore(FileTxnSnapLog.java:132) at org.apache.zookeeper.server.ZKDatabase.loadDataBase(ZKDatabase.java:223) at org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:417) at org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:409) at org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:151) at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:111) at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:78) [2013-05-21 00:30:32,496] [ERROR] [org.apache.zookeeper.server.quorum.QuorumPeerMain] [Unexpected exception, exiting abnormally] java.lang.RuntimeException: Unable to run quorum server at org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:454) at org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:409) at org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:151) at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:111) at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:78) Caused by: java.io.IOException: Transaction log: /logs/jhe/nc/apps/zookeeper/version-2/log.1400470027 has invalid magic number 0 != 1514884167 at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.inStreamCreated(FileTxnLog.java:560) at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.createInputArchive(FileTxnLog.java:577) at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.goToNextLog(FileTxnLog.java:543) at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.init(FileTxnLog.java:525) at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.<init>(FileTxnLog.java:504) at org.apache.zookeeper.server.persistence.FileTxnLog.read(FileTxnLog.java:341) at org.apache.zookeeper.server.persistence.FileTxnSnapLog.restore(FileTxnSnapLog.java:132) at org.apache.zookeeper.server.ZKDatabase.loadDataBase(ZKDatabase.java:223) at org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:417) ... 4 more Here is our configuration tickTime=2000 initLimit=10 syncLimit=5 dataDir=/data clientPort=2181 dataLogDir=/logs/zookeeper/ minSessionTimeout=5000 maxSessionTimeout=100000 server.1=host1:3888:4888 server.2=host2:3888:4888 server.3=host3:3888:4888 autopurge.snapRetainCount=3 autopurge.purgeInterval=1 Not sure what went wrong. Any help is greatly appreciated. Regards, Suman ::DISCLAIMER:: ---------------------------------------------------------------------------------------------------------------------------------------------------- The contents of this e-mail and any attachment(s) are confidential and intended for the named recipient(s) only. E-mail transmission is not guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or may contain viruses in transmission. The e mail and its contents (with or without referred errors) shall therefore not attach any liability on the originator or HCL or its affiliates. Views or opinions, if any, presented in this email are solely those of the author and may not necessarily reflect the views or opinions of HCL or its affiliates. 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