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Posted to dev@hbase.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2009/06/26 02:00:07 UTC
[jira] Resolved: (HBASE-1560) TIF (and other clients?) cant seem to
find one region (getClosestRowBefore issue?)
[ https://issues.apache.org/jira/browse/HBASE-1560?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Purtell resolved HBASE-1560.
-----------------------------------
Resolution: Fixed
Works for me and TestTableMapReduce completes without error also.
> TIF (and other clients?) cant seem to find one region (getClosestRowBefore issue?)
> ----------------------------------------------------------------------------------
>
> Key: HBASE-1560
> URL: https://issues.apache.org/jira/browse/HBASE-1560
> Project: Hadoop HBase
> Issue Type: Bug
> Affects Versions: 0.20.0
> Reporter: ryan rawson
> Priority: Blocker
> Fix For: 0.20.0
>
>
> running a full TIF-mr on a table, it eventually fails, all on 1 of the splits, and all with the same exception set, which is:
> org.apache.hadoop.hbase.client.RetriesExhaustedException: Trying to contact region server null for region , row '', but failed after 10 attempts.
> Exceptions:
> java.lang.NullPointerException
> java.lang.NullPointerException
> java.lang.NullPointerException
> java.lang.NullPointerException
> java.lang.NullPointerException
> java.lang.NullPointerException
> java.lang.NullPointerException
> java.lang.NullPointerException
> java.lang.NullPointerException
> java.lang.NullPointerException
> at org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getRegionServerWithRetries(HConnectionManager.java:935)
> at org.apache.hadoop.hbase.client.HTable$ClientScanner.nextScanner(HTable.java:1842)
> at org.apache.hadoop.hbase.client.HTable$ClientScanner.initialize(HTable.java:1790)
> at org.apache.hadoop.hbase.client.HTable.getScanner(HTable.java:369)
> at org.apache.hadoop.hbase.mapred.TableInputFormatBase$TableRecordReader.restart(TableInputFormatBase.java:121)
> at org.apache.hadoop.hbase.mapred.TableInputFormatBase$TableRecordReader.next(TableInputFormatBase.java:222)
> at org.apache.hadoop.hbase.mapred.TableInputFormatBase$TableRecordReader.next(TableInputFormatBase.java:90)
> at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.moveToNext(MapTask.java:191)
> at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.next(MapTask.java:175)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:48)
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:356)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
> at org.apache.hadoop.mapred.Child.main(Child.java:170)
> Suspicion: We can't locate the 'root' region with key '' or null. Probably an issue with getClosestRowBefore.
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