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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1613) NPE in BoundedRangeFileInputStream.read
Date Wed, 08 Jul 2009 04:28:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12728500#action_12728500
] 

stack commented on HBASE-1613:
------------------------------

The Reader must have been constructed with a null stream or more likely, Reader had been closed
(Reader#close sets stream to null).

> NPE in BoundedRangeFileInputStream.read
> ---------------------------------------
>
>                 Key: HBASE-1613
>                 URL: https://issues.apache.org/jira/browse/HBASE-1613
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: stack
>             Fix For: 0.20.0
>
>
> {code}
> 2009-07-05 22:49:42,560 [IPC Server handler 4 on 60020] ERROR org.apache.hadoop.hbase.regionserver.HRegionServer:
java.lang.NullPointerException
> 2009-07-05 22:49:42,562 [IPC Server handler 4 on 60020] INFO org.apache.hadoop.ipc.HBaseServer:
IPC Server handler 4 on 60020, call getClosestRowBefore([B@dcd4755, [B@20062487, [B@73482b7d)
from 208.76.44.139:46925: error: java.io.IOException: java.lang.NullPoin
> terException
> java.io.IOException: java.lang.NullPointerException
>         at org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:829)
>         at org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:819)
>         at org.apache.hadoop.hbase.regionserver.HRegionServer.getClosestRowBefore(HRegionServer.java:1729)
>         at sun.reflect.GeneratedMethodAccessor3.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$Server.call(HBaseRPC.java:643)
>         at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:913)
> Caused by: java.lang.NullPointerException
>         at org.apache.hadoop.hbase.io.hfile.BoundedRangeFileInputStream.read(BoundedRangeFileInputStream.java:97)
>         at org.apache.hadoop.io.IOUtils.readFully(IOUtils.java:100)
>         at org.apache.hadoop.hbase.io.hfile.HFile$Reader.decompress(HFile.java:970)
>         at org.apache.hadoop.hbase.io.hfile.HFile$Reader.readBlock(HFile.java:915)
>         at org.apache.hadoop.hbase.io.hfile.HFile$Reader$Scanner.loadBlock(HFile.java:1242)
>         at org.apache.hadoop.hbase.io.hfile.HFile$Reader$Scanner.seekTo(HFile.java:1125)
>         at org.apache.hadoop.hbase.regionserver.StoreFileGetScan.getStoreFile(StoreFileGetScan.java:80)
>         at org.apache.hadoop.hbase.regionserver.StoreFileGetScan.get(StoreFileGetScan.java:65)
>         at org.apache.hadoop.hbase.regionserver.Store.get(Store.java:1547)
>         at org.apache.hadoop.hbase.regionserver.HRegion.getClosestRowBefore(HRegion.java:1041)
>         at org.apache.hadoop.hbase.regionserver.HRegionServer.getClosestRowBefore(HRegionServer.java:1726)
>         ... 5 more
> {code}

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