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From "Jonathan Hsieh (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5282) Possible file handle leak with truncated HLog file.
Date Thu, 26 Jan 2012 13:38:41 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Hsieh updated HBASE-5282:
----------------------------------

    Attachment: hbase-5282.patch
    
> 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
>         Attachments: hbase-5282.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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