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From Debraj Manna <subharaj.ma...@gmail.com>
Subject The current epoch, 7, is older than the last zxid, 8589935882
Date Tue, 20 Aug 2019 09:44:33 GMT
Hi

I am using a zookeeper ensemble of 3 nodes running 3.4.13. Sometimes after
reboot of machine zookeeper is not starting and I am seeing the below
errors in logs.

I have seen https://issues.apache.org/jira/browse/ZOOKEEPER-1653 . Can
someone let me if this is fixed in 3.4.13 or not as I can see the issue
still open? Also can somone suggest what is the recommended way to recover
the set-up ?

2019-08-19 04:18:36,906 [myid:2] - ERROR [main:QuorumPeer@692] - Unable to
load database on disk
java.io.IOException: The current epoch, 7, is older than the last zxid,
34359738370
at
org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:674)
at org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:635)
at
org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:170)
at
org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:114)
at
org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:81)
2019-08-19 04:18:36,908 [myid:2] - ERROR [main:QuorumPeerMain@92] -
Unexpected exception, exiting abnormally
java.lang.RuntimeException: Unable to run quorum server
at
org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:693)
at org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:635)
at
org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:170)
at
org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:114)
at
org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:81)
Caused by: java.io.IOException: The current epoch, 7, is older than the
last zxid, 34359738370
at
org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:674)
... 4 more----

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