Hello, Sorry for so late reply. If you have 3 servers you can nuke the broken one and make it start from scratch, it will join the cluster and then recover data from the other servers
Try it in a staging env, not in production Enrico Il mar 20 ago 2019, 20:30 Debraj Manna <subharaj.ma...@gmail.com> ha scritto: > The same has been asked in stackoverflow > < > https://stackoverflow.com/questions/57574298/zookeeper-error-the-current-epoch-is-older-than-the-last-zxid > > > also. But no response there also. > > Anyone any thoughts on this one? > > On Tue, Aug 20, 2019 at 4:43 PM Debraj Manna <subharaj.ma...@gmail.com> > wrote: > > > Posted wrong Jira link. I meant > > https://issues.apache.org/jira/browse/ZOOKEEPER-2354. Can someone let > me > > know what is the recommended way to recover the node? > > > > support@platform2:/var/lib/zookeeper/version-2$ sudo cat acceptedEpoch > > 8support@platform2:/var/lib/zookeeper/version-2$ sudo cat currentEpoch > > 7support@platform2:/var/lib/zookeeper/version-2$ sudo cat > currentEpoch.tmp > > 8support@platform2 > > > > On Tue, Aug 20, 2019 at 3:14 PM Debraj Manna <subharaj.ma...@gmail.com> > > wrote: > > > >> 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---- > >> > >> > >> >
