The current epoch, 0, is older than the last zxid

Posted 2021-02-02

2019-01-11 10:33:19,963 [myid:] - INFO  [main:[email protected]] - Reading configuration from: /data/apps/zookeeper/bin/../conf/zoo.cfg
2019-01-11 10:33:19,975 [myid:] - INFO  [main:[email protected]] - Resolved hostname: 10.140.9.24 to address: /10.140.9.24
2019-01-11 10:33:19,975 [myid:] - INFO  [main:[email protected]] - Resolved hostname: 10.140.9.23 to address: /10.140.9.23
2019-01-11 10:33:19,976 [myid:] - INFO  [main:[email protected]] - Resolved hostname: 10.140.9.29 to address: /10.140.9.29
2019-01-11 10:33:19,976 [myid:] - INFO  [main:[email protected]] - Defaulting to majority quorums
2019-01-11 10:33:19,979 [myid:1] - INFO  [main:[email protected]] - autopurge.snapRetainCount set to 3
2019-01-11 10:33:19,979 [myid:1] - INFO  [main:[email protected]] - autopurge.purgeInterval set to 0
2019-01-11 10:33:19,979 [myid:1] - INFO  [main:[email protected]] - Purge task is not scheduled.
2019-01-11 10:33:19,991 [myid:1] - INFO  [main:[email protected]] - Starting quorum peer
2019-01-11 10:33:19,997 [myid:1] - INFO  [main:[email protected]] - Using org.apache.zookeeper.server.NioserverCnxnFactory as server connection factory
2019-01-11 10:33:20,001 [myid:1] - INFO  [main:[email protected]] - binding to port 0.0.0.0/0.0.0.0:2181
2019-01-11 10:33:20,007 [myid:1] - INFO  [main:[email protected]] - tickTime set to 2000
2019-01-11 10:33:20,007 [myid:1] - INFO  [main:[email protected]] - initLimit set to 10
2019-01-11 10:33:20,007 [myid:1] - INFO  [main:[email protected]] - minSessionTimeout set to -1
2019-01-11 10:33:20,007 [myid:1] - INFO  [main:[email protected]] - maxSessionTimeout set to -1
2019-01-11 10:33:20,013 [myid:1] - INFO  [main:[email protected]] - QuorumPeer communication is not secured!
2019-01-11 10:33:20,014 [myid:1] - INFO  [main:[email protected]] - quorum.cnxn.threads.size set to 20
2019-01-11 10:33:20,016 [myid:1] - INFO  [main:[email protected]] - Reading snapshot /data/apps/zookeeper/data/version-2/snapshot.9000011c1
2019-01-11 10:33:20,059 [myid:1] - ERROR [main:[email protected]] - Last transaction was partial.
2019-01-11 10:33:20,060 [myid:1] - ERROR [main:[email protected]] - Unable to load database on disk
java.io.IOException: The current epoch, 0, is older than the last zxid, 38654710241
    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)
2019-01-11 10:33:20,062 [myid:1] - ERROR [main:[email protected]] - 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, 0, is older than the last zxid, 38654710241
    at org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:674)
    ... 4 more

zookeeper无法启动，提示本地信息和其他服务器不一致。

可以删除/data/apps/zookeeper/data 数据目录下的文件，让其自动同步。

注意那个myid别删。