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https://issues.apache.org/jira/browse/HBASE-471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12572325#action_12572325
]
Lars George commented on HBASE-471:
-----------------------------------
And lastly this error:
[2008-02-25 16:46:19,598] ERROR [TP-Processor3] archive.MultilingualArchive -
An error occurred.
org.apache.hadoop.hbase.NotServingRegionException:
org.apache.hadoop.hbase.NotServingRegionException:
pdc-docs,US7012762_20060314,1203982269396
at
org.apache.hadoop.hbase.HRegionServer.getRegion(HRegionServer.java:1610)
at
org.apache.hadoop.hbase.HRegionServer.getRegion(HRegionServer.java:1582)
at
org.apache.hadoop.hbase.HRegionServer.batchUpdate(HRegionServer.java:1431)
2008-02-25 16:23:02,504 DEBUG org.apache.hadoop.hbase.HMaster:
HMaster.metaScanner regioninfo: {regionname:
pdc-docs,US7012762_20060314,1203982269396, startKey: <US7012762_20060314>,
endKey: <US7026805_20060411>, encodedName: 1013583481, 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: 192.168.105.47:60020, startCode:
1203949132867
2008-02-25 16:23:02,538 DEBUG org.apache.hadoop.hbase.HMaster: Checked
pdc-docs,US7012762_20060314,1203982269396 for references: splitA: true, splitB:
true
2008-02-25 16:24:02,513 DEBUG org.apache.hadoop.hbase.HMaster:
HMaster.metaScanner regioninfo: {regionname:
pdc-docs,US7012762_20060314,1203982269396, startKey: <US7012762_20060314>,
endKey: <US7026805_20060411>, encodedName: 1013583481, 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: 192.168.105.47:60020, startCode:
1203949132867
2008-02-25 16:24:02,547 DEBUG org.apache.hadoop.hbase.HMaster:
pdc-docs,US7012762_20060314,1203985378680 no longer has references to
pdc-docs,US7012762_20060314,1203982269396
2008-02-25 16:24:02,550 DEBUG org.apache.hadoop.hbase.HMaster:
pdc-docs,US7019536_20060328,1203985378680 no longer has references to
pdc-docs,US7012762_20060314,1203982269396
2008-02-25 16:24:02,551 INFO org.apache.hadoop.hbase.HMaster: Deleting region
pdc-docs,US7012762_20060314,1203982269396 because daughter splits no longer
hold references
> 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
>
> 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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