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Posted to dev@hbase.apache.org by "Mathias Herberts (JIRA)" <ji...@apache.org> on 2009/09/01 22:59:32 UTC

[jira] Commented: (HBASE-1809) NPE thrown in BoundedRangeFileInputStream

    [ https://issues.apache.org/jira/browse/HBASE-1809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12750095#action_12750095 ] 

Mathias Herberts commented on HBASE-1809:
-----------------------------------------

{noformat}
2009-09-01 18:05:15,644 ERROR org.apache.hadoop.hbase.regionserver.HRegionServer: 
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$Reader.decompress(HFile.java:979)
        at org.apache.hadoop.hbase.io.hfile.HFile$Reader.readBlock(HFile.java:936)
        at org.apache.hadoop.hbase.io.hfile.HFile$Reader$Scanner.loadBlock(HFile.java:1258)
        at org.apache.hadoop.hbase.io.hfile.HFile$Reader$Scanner.seekTo(HFile.java:1141)
        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:1442)
        at org.apache.hadoop.hbase.regionserver.HRegion.getClosestRowBefore(HRegion.java:1043)
        at org.apache.hadoop.hbase.regionserver.HRegionServer.getClosestRowBefore(HRegionServer.java:1755)
        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$Server.call(HBaseRPC.java:650)
        at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
2009-09-01 18:05:15,665 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 8 on 60020, call getClosestRowBefore([B@68f2f88, [B@22798d15, [B@5a1d6f61) from 10.154.99.180:37118: error: java.io.IOException: java.lang.NullPointerException
java.io.IOException: java.lang.NullPointerException
        at org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:847)
        at org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:837)
        at org.apache.hadoop.hbase.regionserver.HRegionServer.getClosestRowBefore(HRegionServer.java:1758)
        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$Server.call(HBaseRPC.java:650)
        at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
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$Reader.decompress(HFile.java:979)
        at org.apache.hadoop.hbase.io.hfile.HFile$Reader.readBlock(HFile.java:936)
        at org.apache.hadoop.hbase.io.hfile.HFile$Reader$Scanner.loadBlock(HFile.java:1258)
        at org.apache.hadoop.hbase.io.hfile.HFile$Reader$Scanner.seekTo(HFile.java:1141)
        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:1442)
        at org.apache.hadoop.hbase.regionserver.HRegion.getClosestRowBefore(HRegion.java:1043)
        at org.apache.hadoop.hbase.regionserver.HRegionServer.getClosestRowBefore(HRegionServer.java:1755)
        ... 5 more
{noformat}

> NPE thrown in BoundedRangeFileInputStream
> -----------------------------------------
>
>                 Key: HBASE-1809
>                 URL: https://issues.apache.org/jira/browse/HBASE-1809
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: io
>         Environment: All
>            Reporter: Mathias Herberts
>             Fix For: 0.20.1
>
>
> NPE is thrown in BoundedRangeFileInputStream.read when attempting to synchronize on 'in' (line 97).
> This probably means the BRFIS was created with a null FSDIS.

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