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From "Lars Hofhansl (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4300) Start of new-version master fails if old master's znode is hanging around
Date Fri, 28 Oct 2011 05:40:32 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13138055#comment-13138055

Lars Hofhansl commented on HBASE-4300:

For me TestReplicationSink and TestReplication timed out. When I revert this change they finish

(I had some difficulty reverting this patch because the committed patch was slightly different
from the last file attached. For reasons like this I think it would be generally useful if
the patch that was actually applied - if changed - is attached to the jira for future reference.)

> Start of new-version master fails if old master's znode is hanging around
> -------------------------------------------------------------------------
>                 Key: HBASE-4300
>                 URL: https://issues.apache.org/jira/browse/HBASE-4300
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.0
>            Reporter: Todd Lipcon
>            Assignee: stack
>            Priority: Critical
>             Fix For: 0.92.0
>         Attachments: 4300-v2.txt, 4300-v3.txt, 4300.txt
> I shut down an 0.90 cluster, and had to do so uncleanly. I then started a trunk (0.92)
cluster before the old master znode had expired. This cased:
> java.lang.StringIndexOutOfBoundsException: String index out of range: -1
>         at java.lang.String.substring(String.java:1937)
>         at org.apache.hadoop.hbase.ServerName.parseHostname(ServerName.java:81)
>         at org.apache.hadoop.hbase.ServerName.<init>(ServerName.java:63)
>         at org.apache.hadoop.hbase.master.ActiveMasterManager.blockUntilBecomingActiveMaster(ActiveMasterManager.java:148)
>         at org.apache.hadoop.hbase.master.HMaster.becomeActiveMaster(HMaster.java:342)
>         at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:297)

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