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https://issues.apache.org/jira/browse/HADOOP-2693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12561893#action_12561893
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Jim Kellerman commented on HADOOP-2693:
---------------------------------------
Agreed that this is transitory. Also should not occur after HADOOP-2636 except
after new table creation because it does not flush the cache if there are zero
entries (which would create an empty MapFile)
> [hbase] NPE in getClosestRowBefore
> ----------------------------------
>
> Key: HADOOP-2693
> URL: https://issues.apache.org/jira/browse/HADOOP-2693
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hbase
> Reporter: stack
> Assignee: Bryan Duxbury
> Attachments: 2693.patch
>
>
> Just saw this in a load test:
> {code}
> 2008-01-23 22:43:42,831 INFO org.apache.hadoop.ipc.Server: IPC Server handler
> 8 on 60020, call getClosestRowBefore(.META.,,1, TestTable,,999999999999999,
> 9223372036854775807) from XX.XX.XX.141:49068: error: java.io.IOException:
> java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.io.Text.compareTo(Text.java:278)
> at
> org.apache.hadoop.hbase.HStore.getRowKeyAtOrBefore(HStore.java:1846)
> at
> org.apache.hadoop.hbase.HRegion.getClosestRowBefore(HRegion.java:1109)
> at
> org.apache.hadoop.hbase.HRegionServer.getClosestRowBefore(HRegionServer.java:1434)
> at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.hbase.ipc.HbaseRPC$Server.call(HbaseRPC.java:413)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:908)
> {code}
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