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Date: Thu, 26 Jan 2012 13:06:40 +0000 (UTC)
From: "Jonathan Hsieh (Created) (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
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Subject: [jira] [Created] (HBASE-5282) Possible file handle leak with
 truncate HLog file.
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Possible file handle leak with truncate HLog file.
--------------------------------------------------

                 Key: HBASE-5282
                 URL: https://issues.apache.org/jira/browse/HBASE-5282
             Project: HBase
          Issue Type: Bug
    Affects Versions: 0.92.0, 0.90.5, 0.94.0
            Reporter: Jonathan Hsieh
            Assignee: Jonathan Hsieh


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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