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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-1730) [hbase] unexpected null value causes META scanner to exit (silently)
Date Fri, 17 Aug 2007 18:00:39 GMT
[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
            Reporter: stack
            Assignee: stack


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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