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From "Jim Kellerman (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1730) [hbase] unexpected null value causes META scanner to exit (silently)
Date Sat, 18 Aug 2007 17:56:30 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1730?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jim Kellerman updated HADOOP-1730:
----------------------------------

        Fix Version/s: 0.15.0
    Affects Version/s: 0.15.0
               Status: Patch Available  (was: Open)

Apparently this got dropped from Hudson's queue. Resubmitting.

> [hbase] unexpected null value causes META scanner to exit (silently)
> --------------------------------------------------------------------
>
>                 Key: HADOOP-1730
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1730
>             Project: Hadoop
>          Issue Type: Bug
>          Components: contrib/hbase
>    Affects Versions: 0.15.0
>            Reporter: stack
>            Assignee: stack
>             Fix For: 0.15.0
>
>         Attachments: nullsplit.patch
>
>
> META scanner exits silently if a cell value is unexpectedly empty.
> At least the out log had this:
> {code}
> Exception in thread "HMaster.metaScanner" java.lang.IllegalArgumentException: Can't build
a writable with empty bytes array
>     at org.apache.hadoop.hbase.util.Writables.getWritable(Writables.java:77)
>     at org.apache.hadoop.hbase.HMaster$BaseScanner.scanRegion(HMaster.java:267)
>     at org.apache.hadoop.hbase.HMaster$MetaScanner.scanOneMetaRegion(HMaster.java:597)
>     at org.apache.hadoop.hbase.HMaster$MetaScanner.maintenanceScan(HMaster.java:654)
>     at org.apache.hadoop.hbase.HMaster$BaseScanner.run(HMaster.java:172)
>     at java.lang.Thread.run(Thread.java:619)
> {code}
> Need to add at a minimum logging of meta scanner exits with the why.

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