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From "gaojinchao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3933) Hmaster throw NullPointerException
Date Tue, 31 May 2011 02:24:47 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13041384#comment-13041384
] 

gaojinchao commented on HBASE-3933:
-----------------------------------

Hi Ted.
Hlog will be split after waitForRegionServers. So I prevent all region server to chechin and
stop these region server after that point.


> Hmaster throw NullPointerException
> ----------------------------------
>
>                 Key: HBASE-3933
>                 URL: https://issues.apache.org/jira/browse/HBASE-3933
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 0.90.3
>            Reporter: gaojinchao
>            Assignee: gaojinchao
>             Fix For: 0.90.4
>
>         Attachments: Hmastersetup0.90
>
>
> NullPointerException while hmaster starting.
> {code}
>       java.lang.NullPointerException
>         at java.util.TreeMap.getEntry(TreeMap.java:324)
>         at java.util.TreeMap.get(TreeMap.java:255)
>         at org.apache.hadoop.hbase.master.AssignmentManager.addToServers(AssignmentManager.java:1512)
>         at org.apache.hadoop.hbase.master.AssignmentManager.regionOnline(AssignmentManager.java:606)
>         at org.apache.hadoop.hbase.master.AssignmentManager.processFailover(AssignmentManager.java:214)
>         at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:402)
>         at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:283)
> {code}

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