Stefan, It mostly looks like https://issues.apache.org/jira/browse/ZOOKEEPER-1319, but just to confirm can you do this -
do a get on the same znode "/seq/y77mmizznsmdggqzx493-0030010980" on each of the servers. You can just use the zkCli.sh to do that: zkClish.sh -server hostname1 port1 get /seq/y77mmizznsmdggqzx493-0030010980 similar for other hosts and post the results? thanks mahadev On Wed, Dec 7, 2011 at 8:07 AM, Stefan Zier <[email protected]> wrote: > Just upgraded one of our ensembles and am now hitting this exception. Any > ideas how to recover? > > 2011-12-07 07:24:21,983 [myid:1] - WARN [main:DataTree@909] - Failed: Create > transaction for /seq/y77mmizznsmdggqzx493-0030010980 > org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = > NodeExists > at org.apache.zookeeper.server.DataTree.createNode(DataTree.java:483) > at org.apache.zookeeper.server.DataTree.processTxn(DataTree.java:799) > at > org.apache.zookeeper.server.persistence.FileTxnSnapLog.processTransaction(FileTxnSnapLog.java:197) > at > org.apache.zookeeper.server.persistence.FileTxnSnapLog.restore(FileTxnSnapLog.java:150) > at > org.apache.zookeeper.server.ZKDatabase.loadDataBase(ZKDatabase.java:223) > at > org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:418) > at > org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:410) > 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) > > Stefan Zier > > >
