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From "Michaela Buergle (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-568) region offline after DELETE
Date Tue, 08 Apr 2008 07:19:24 GMT
region offline after DELETE
---------------------------

                 Key: HBASE-568
                 URL: https://issues.apache.org/jira/browse/HBASE-568
             Project: Hadoop HBase
          Issue Type: Bug
          Components: hql
            Reporter: Michaela Buergle
            Priority: Minor


I have a very simple table named 'titles' that I'm playing around with.
After entering

	hql > DELETE * FROM titles;

I get the following output:

08/04/07 15:09:15 INFO hbase.HBaseAdmin: Disabled table titles
Exception in thread "main" java.lang.NullPointerException
        at org.apache.hadoop.io.Text.set(Text.java:181)
        at org.apache.hadoop.io.Text.<init>(Text.java:76)
        at
org.apache.hadoop.hbase.hql.DeleteCommand.getColumnList(DeleteCommand.java:106)
        at
org.apache.hadoop.hbase.hql.DeleteCommand.execute(DeleteCommand.java:67)
        at
org.apache.hadoop.hbase.hql.HQLClient.executeQuery(HQLClient.java:50)
        at org.apache.hadoop.hbase.Shell.main(Shell.java:114)

Every succeeding attempt to query the table results in the following output:

Exception in thread "main" java.lang.IllegalStateException: region
offline: titles,,1207564179189
        at
org.apache.hadoop.hbase.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:438)
        at
org.apache.hadoop.hbase.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:350)
        at
org.apache.hadoop.hbase.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:313)
        at org.apache.hadoop.hbase.HTable.<init>(HTable.java:91)
        at
org.apache.hadoop.hbase.hql.SelectCommand.execute(SelectCommand.java:90)
        at
org.apache.hadoop.hbase.hql.HQLClient.executeQuery(HQLClient.java:50)
        at org.apache.hadoop.hbase.Shell.main(Shell.java:114)


Deleting a specific column on the other hand, as in:

	hql> DELETE document:title FROM titles;

is no problem - I get this output:

08/04/07 17:08:02 INFO hbase.HBaseAdmin: Disabled table titles
08/04/07 17:08:02 INFO hbase.HBaseAdmin: Enabled table titles

and everything's all right ever after.


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