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https://issues.apache.org/jira/browse/BOOKKEEPER-294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13295059#comment-13295059
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Uma Maheswara Rao G commented on BOOKKEEPER-294:
------------------------------------------------
@Flavio
{quote}
Agreed, that's an excellent point, Uma. I don't like the idea of mixing
failures and errors, though, so let me propose a modification to the patch,
check the last patch attached, please.
{quote}
Looks fine.
@Ivan
Good point.
{quote}
If just the shutdown hook isn't enough, I suggest checking if the znode exists
and if it does, Thread.sleeping for zkTimeout, and trying again. Again though,
kill -9 should be a very rare case.
{quote}
Initially me and Rakesh was thinking in this lines. As Sijie pointed in other
[comment|https://issues.apache.org/jira/browse/BOOKKEEPER-294?focusedCommentId=13294280&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13294280]
saying that, Cookies will guard from fake bookies startup.
To be honest, we did not verify this point and thought multiple Bookies will
not start on same address and moved to the simple fix of deleting.
> Not able to start the bookkeeper before the ZK session timeout.
> ---------------------------------------------------------------
>
> Key: BOOKKEEPER-294
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-294
> Project: Bookkeeper
> Issue Type: Bug
> Components: bookkeeper-server
> Affects Versions: 4.1.0
> Reporter: Gopinathan A
> Assignee: Rakesh R
> Fix For: 4.2.0, 4.1.1
>
> Attachments: BOOKKEEPER-294.1.patch, BOOKKEEPER-294.2.patch,
> BOOKKEEPER-294.3.patch, BOOKKEEPER-294.4.patch, BOOKKEEPER-294.patch,
> BOOKKEEPER-294.patch
>
>
> Not able to start the bookkeeper before the ZK session timeout.
> Here i killed the bookie and started again.
> {noformat}
> 2012-06-12 20:00:25,220 - INFO [main:LedgerCache@65] - openFileLimit is 900,
> pageSize is 8192, pageLimit is 456781
> 2012-06-12 20:00:25,238 - ERROR [main:Bookie@453] - ZK exception registering
> ephemeral Znode for Bookie!
> org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
> NodeExists for /ledgers/available/10.18.40.216:3181
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:119)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:778)
> at org.apache.bookkeeper.bookie.Bookie.registerBookie(Bookie.java:450)
> at org.apache.bookkeeper.bookie.Bookie.<init>(Bookie.java:348)
> at org.apache.bookkeeper.proto.BookieServer.<init>(BookieServer.java:64)
> at org.apache.bookkeeper.proto.BookieServer.main(BookieServer.java:249)
> {noformat}
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