[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


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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