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From Ted Dunning <ted.dunn...@gmail.com>
Subject Re: Unable to restart ZK
Date Fri, 09 Mar 2012 00:03:07 GMT
Can you resolve the pronouns here?

It looks like ZK is running, but that Finagle will not.

Is that what you meant to say?

The log messages make it look like somebody assumes that a directory
/twitter/servers does exist, but is finding that this directory doesn't
exist.  Isn't that an application error?

On Thu, Mar 8, 2012 at 3:47 PM, Shelley, Ryan <Ryan.Shelley@disney.com>wrote:

> I was playing with Finagle which uses ZK, however, after shutting down my
> ZK instance, it won't start back up again:
>
> 2012-03-08 15:44:39,427 [myid:] - INFO  [main:ZooKeeperServer@733] -
> tickTime set to 2000
> 2012-03-08 15:44:39,427 [myid:] - INFO  [main:ZooKeeperServer@742] -
> minSessionTimeout set to -1
> 2012-03-08 15:44:39,427 [myid:] - INFO  [main:ZooKeeperServer@751] -
> maxSessionTimeout set to -1
> 2012-03-08 15:44:39,441 [myid:] - INFO  [main:NIOServerCnxnFactory@110] -
> binding to port 0.0.0.0/0.0.0.0:2181
> 2012-03-08 15:44:39,467 [myid:] - ERROR [main:FileTxnSnapLog@208] -
> Parent /twitter/services missing for /twitter/services/testService
> 2012-03-08 15:44:39,468 [myid:] - ERROR [main:ZooKeeperServerMain@63] -
> Unexpected exception, exiting abnormally
> java.io.IOException: Failed to process transaction type: 1 error:
> KeeperErrorCode = NoNode for /twitter/services
> at
> org.apache.zookeeper.server.persistence.FileTxnSnapLog.restore(FileTxnSnapLog.java:151)
> at org.apache.zookeeper.server.ZKDatabase.loadDataBase(ZKDatabase.java:223)
> at
> org.apache.zookeeper.server.ZooKeeperServer.loadData(ZooKeeperServer.java:259)
> at
> org.apache.zookeeper.server.ZooKeeperServer.startdata(ZooKeeperServer.java:386)
> at
> org.apache.zookeeper.server.NIOServerCnxnFactory.startup(NIOServerCnxnFactory.java:138)
> at
> org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:112)
> at
> org.apache.zookeeper.server.ZooKeeperServerMain.initializeAndRun(ZooKeeperServerMain.java:86)
> at
> org.apache.zookeeper.server.ZooKeeperServerMain.main(ZooKeeperServerMain.java:52)
> at
> org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:116)
> at
> org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:78)
> Caused by: org.apache.zookeeper.KeeperException$NoNodeException:
> KeeperErrorCode = NoNode for /twitter/services
> at
> org.apache.zookeeper.server.persistence.FileTxnSnapLog.processTransaction(FileTxnSnapLog.java:209)
> at
> org.apache.zookeeper.server.persistence.FileTxnSnapLog.restore(FileTxnSnapLog.java:149)
> ... 9 more
>
> I'm not sure where the data file is that I could use to purge things.
> Suggestions?
>
> -Ryan
>

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