pengfei created ZOOKEEPER-4040:
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Summary: java.io.IOException: Leaders epoch, 1 is less than
accepted epoch, 2
Key: ZOOKEEPER-4040
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4040
Project: ZooKeeper
Issue Type: Bug
Components: server
Affects Versions: 3.5.5
Reporter: pengfei
Attachments: image-2020-12-28-18-20-07-842.png,
image-2020-12-28-18-23-14-073.png, image-2020-12-28-18-25-31-960.png,
image-2020-12-28-18-28-07-015.png
h4. errorlog:
java.io.IOException: Leaders epoch, 1 is less than accepted epoch,
2java.io.IOException: Leaders epoch, 1 is less than accepted epoch, 2 at
org.apache.zookeeper.server.quorum.Learner.registerWithLeader(Learner.java:353)
at org.apache.zookeeper.server.quorum.Follower.followLeader(Follower.java:78)
at
org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:1271)2020-12-28
18:09:25,176 [myid:2] - INFO
[QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:2182)(secure=disabled):Follower@201]
- shutdown calledjava.lang.Exception: shutdown Follower at
org.apache.zookeeper.server.quorum.Follower.shutdown(Follower.java:201) at
org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:1275)
h4. sample:
cluster all servers server1,server2,server3
* start server1 and server2 ,then shutdown them when they arrive below, now
the accpetedEpoch of server2 is 1 , server1 is 0, server3 is 0
!image-2020-12-28-18-23-14-073.png!
* then repeat step 1 , now the accpetedEpoch of server1 is 0,server2 is
2,server3 is 0 !image-2020-12-28-18-25-31-960.png!
* then start server1 and server3 , wait unti the leader of the cluster is
server3 , start server2 ,now generate the error below
!image-2020-12-28-18-28-07-015.png!
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