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From "Bryan Duxbury (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-16) [hbase] IOException: File does not exist
Date Sun, 23 Mar 2008 03:33:24 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12581328#action_12581328
] 

Bryan Duxbury commented on HBASE-16:
------------------------------------

Any signs of this issue anymore? If not suggest we close as invalid and reopen if it ever
happens again.

> [hbase] IOException: File does not exist
> ----------------------------------------
>
>                 Key: HBASE-16
>                 URL: https://issues.apache.org/jira/browse/HBASE-16
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: regionserver
>            Reporter: stack
>            Priority: Minor
>
> Two fellas today on two unrelated clusters had versions of the below:
> {code}
>       <bryanduxbury>	2007-12-12 08:28:22,235 ERROR org.apache.hadoop.hbase.HRegionServer:
Compaction failed for region spider_pages,10_149317711,1197468834206
> [13:01]	<bryanduxbury>	java.io.IOException: java.io.IOException: File does not
exist
> [13:01]	<bryanduxbury>	at org.apache.hadoop.dfs.FSDirectory.getFileInfo(FSDirectory.java:489)
> [13:01]	<bryanduxbury>	at org.apache.hadoop.dfs.FSNamesystem.getFileInfo(FSNamesystem.java:1360)
> [13:01]	<bryanduxbury>	at org.apache.hadoop.dfs.NameNode.getFileInfo(NameNode.java:428)
> [13:01]	<bryanduxbury>	at sun.reflect.GeneratedMethodAccessor15.invoke(Unknown
Source)
> [13:01]	<bryanduxbury>	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> [13:01]	<bryanduxbury>	at java.lang.reflect.Method.invoke(Method.java:597)
> [13:01]	<bryanduxbury>	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:379)
> [13:01]	<bryanduxbury>	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:596)
> [13:01]	<bryanduxbury>	at sun.reflect.GeneratedConstructorAccessor10.newInstance(Unknown
Source)
> [13:01]	<bryanduxbury>	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> [13:01]	<bryanduxbury>	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> [13:01]	<bryanduxbury>	at org.apache.hadoop.hbase.RemoteExceptionHandler.decodeRemoteException(RemoteExceptionHandler.java:82)
> [13:01]	<bryanduxbury>	at org.apache.hadoop.hbase.RemoteExceptionHandler.checkIOException(RemoteExceptionHandler.java:48)
> [13:01]	<bryanduxbury>	at org.apache.hadoop.hbase.HRegionServer$Compactor.run(HRegionServer.java:385)
> {code}
> Odd is that the file thats missing's name is not cited.
> The other instance showed in the webui.  Seemed to be problem with an HStoreFile in.META.
region.  I was unable to select content from the .META. table -- it was returning null rows.
> In both cases a restart fixed things again.
> Since all state is out in hdfs and the in-memory maps are made from the hdfs state, something
must not be getting updated on compaction/split or flush.

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