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https://issues.apache.org/jira/browse/HBASE-471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12573161#action_12573161
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stack commented on HBASE-471:
-----------------------------
Lars, above is probably a bug in the shell (i.e. it says the two tables exist
when you say 'show tables' but you can't select from the table... have you
tried quoting?). Does the UI show two tables? Can you select using a bit of
java code?
> IllegalStateException thrown in client after region was split and deleted
> -------------------------------------------------------------------------
>
> Key: HBASE-471
> URL: https://issues.apache.org/jira/browse/HBASE-471
> Project: Hadoop HBase
> Issue Type: Bug
> Affects Versions: 0.1.0
> Environment: Linux Debian, HBase 0.16.0
> Reporter: Lars George
> Attachments: hbase-master-log.tar.gz, logs.tar.gz
>
>
> For some reason a client sometimes fails to locate a row with a
> IllegalStateException when the region was split and deleted.
> > [2008-02-25 16:12:39,171] ERROR [http-80-Processor20]
> > archive.MultilingualArchive - getDocument: An error occurred.
> > java.lang.IllegalStateException: region offline:
> > pdc-docs,US7039976_20060509,1203981958556
> > at
> > org.apache.hadoop.hbase.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:432)
> > at
> > org.apache.hadoop.hbase.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:343)
> > at
> > org.apache.hadoop.hbase.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:306)
> > at org.apache.hadoop.hbase.HTable.getRegionLocation(HTable.java:102)
> > at org.apache.hadoop.hbase.HTable.get(HTable.java:280)
> Tracing the region on the master shows this:
> > 2008-02-25 16:09:38,761 DEBUG org.apache.hadoop.hbase.HMaster: Received
> > MSG_REGION_SPLIT :
> +pdc-docs,US7039976_20060509,1203981958556 from 192.168.105.21:60020
> > 2008-02-25 16:09:38,761 INFO org.apache.hadoop.hbase.HMaster: region
> > pdc-docs,US7039976_20060509,1203981958556 split. New regions
> +are: pdc-docs,US7039976_20060509,1203984578345,
> pdc-docs,US7046359_20060516,1203984578345
> > 2008-02-25 16:10:02,470 DEBUG org.apache.hadoop.hbase.HMaster:
> > HMaster.metaScanner regioninfo: {regionname:
> +pdc-docs,US7039976_20060509,1203981958556, startKey: <US7039976_20060509>,
> endKey: <US7053021_20060530>, encodedName: 1260314009,
> +offline: true, split: true, tableDesc: {name: pdc-docs, families:
> {contents:={name: contents, max versions: 3, compression: NONE, in
> +memory: false, max length: 2147483647, bloom filter: none}, language:={name:
> language, max versions: 3, compression: NONE, in
> +memory: false, max length: 2147483647, bloom filter: none}, mimetype:={name:
> mimetype, max versions: 3, compression: NONE, in
> +memory: false, max length: 2147483647, bloom filter: none}}}}, server:
> 192.168.105.21:60020, startCode: 1203949130468
> > 2008-02-25 16:10:02,513 DEBUG org.apache.hadoop.hbase.HMaster:
> > pdc-docs,US7039976_20060509,1203984578345 no longer has references
> +to pdc-docs,US7039976_20060509,1203981958556
> > 2008-02-25 16:10:02,516 DEBUG org.apache.hadoop.hbase.HMaster:
> > pdc-docs,US7046359_20060516,1203984578345 no longer has references
> +to pdc-docs,US7039976_20060509,1203981958556
> > 2008-02-25 16:10:02,516 INFO org.apache.hadoop.hbase.HMaster: Deleting
> > region pdc-docs,US7039976_20060509,1203981958556 because
> +daughter splits no longer hold references
> After discussion with st^ack it seems that the server is simply not retrying
> IllegalStateException but IOExceptions only. Also see HBASE-452 which should
> be addressed at the same time.
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