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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5282) Possible file handle leak with truncated HLog file.
Date Fri, 27 Jan 2012 02:55:44 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13194381#comment-13194381
] 

Hudson commented on HBASE-5282:
-------------------------------

Integrated in HBase-0.92 #265 (See [https://builds.apache.org/job/HBase-0.92/265/])
    HBASE-5282 Possible file handle leak with truncated HLog file

jmhsieh : 
Files : 
* /hbase/branches/0.92/CHANGES.txt
* /hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java

                
> Possible file handle leak with truncated HLog file.
> ---------------------------------------------------
>
>                 Key: HBASE-5282
>                 URL: https://issues.apache.org/jira/browse/HBASE-5282
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.94.0, 0.90.5, 0.92.0
>            Reporter: Jonathan Hsieh
>            Assignee: Jonathan Hsieh
>             Fix For: 0.94.0, 0.92.1
>
>         Attachments: hbase-5282.patch, hbase-5282.v2.patch
>
>
> When debugging hbck, found that the code responsible for this exception can leak open
file handles.
> {code}
> 12/01/15 05:58:11 INFO regionserver.HRegion: Replaying edits from hdfs://haus01.
> sf.cloudera.com:56020/hbase-jon/test5/98a1e7255731aae44b3836641840113e/recovered
> .edits/0000000000003211315; minSequenceid=3214658
> 12/01/15 05:58:11 ERROR handler.OpenRegionHandler: Failed open of region=test5,8
> \x90\x00\x00\x00\x00\x00\x00/000005_0,1326597390073.98a1e7255731aae44b3836641840
> 113e.
> java.io.EOFException
>         at java.io.DataInputStream.readByte(DataInputStream.java:250)
>         at org.apache.hadoop.io.WritableUtils.readVLong(WritableUtils.java:299)
>         at org.apache.hadoop.io.WritableUtils.readVInt(WritableUtils.java:320)
>         at org.apache.hadoop.io.Text.readString(Text.java:400)
>         at org.apache.hadoop.io.SequenceFile$Reader.init(SequenceFile.java:1486)
>         at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1437)
>         at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1424)
>         at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1419)
>         at org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader$WALReader.<init>(SequenceFileLogReader.java:57)
>         at org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader.init(SequenceFileLogReader.java:158)
>         at org.apache.hadoop.hbase.regionserver.wal.HLog.getReader(HLog.java:572)
>         at org.apache.hadoop.hbase.regionserver.HRegion.replayRecoveredEdits(HRegion.java:1940)
>         at org.apache.hadoop.hbase.regionserver.HRegion.replayRecoveredEditsIfAny(HRegion.java:1896)
>         at org.apache.hadoop.hbase.regionserver.HRegion.initialize(HRegion.java:366)
>         at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:2661)
>         at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:2647)
>         at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.openRegion(OpenRegionHandler.java:312)
>         at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:99)
>         at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:158)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:619)
> {code}

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