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https://issues.apache.org/jira/browse/HBASE-1228?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-1228:
-------------------------
Fix Version/s: (was: 0.19.2)
0.20.0
Moved to 0.20.0.
> Hang after crash
> ----------------
>
> Key: HBASE-1228
> URL: https://issues.apache.org/jira/browse/HBASE-1228
> Project: Hadoop HBase
> Issue Type: Bug
> Affects Versions: 0.19.0
> Reporter: Ben Maurer
> Fix For: 0.20.0
>
>
> After an exception that forced an HRegionServer to shut down, I'm seeing it
> hang in the following method for at least a few minutes:
> "regionserver/0:0:0:0:0:0:0:0:60020" prio=10 tid=0x00002aaaf41a9000
> nid=0x10f6 in Object.wait() [0x00000000422dd000..0x00000000422ddb10]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> at java.lang.Object.wait(Object.java:485)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.flushInternal(DFSClient.java:3025)
> - locked <0x00002aaad8fa2410> (a java.util.LinkedList)
> - locked <0x00002aaad8fa2078> (a
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.closeInternal(DFSClient.java:3105)
> - locked <0x00002aaad8fa2078> (a
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.close(DFSClient.java:3054)
> at
> org.apache.hadoop.fs.FSDataOutputStream$PositionCache.close(FSDataOutputStream.java:61)
> at
> org.apache.hadoop.fs.FSDataOutputStream.close(FSDataOutputStream.java:86)
> at org.apache.hadoop.io.SequenceFile$Writer.close(SequenceFile.java:959)
> - locked <0x00002aaad8fa1f10> (a
> org.apache.hadoop.io.SequenceFile$Writer)
> at org.apache.hadoop.hbase.regionserver.HLog.close(HLog.java:431)
> - locked <0x00002aaab378b290> (a java.lang.Integer)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:498)
> at java.lang.Thread.run(Thread.java:619)
> I believe the file system may have been closed and thus there is trouble
> flushing the HLog. The HLog should be pro actively closed before shutdown
> begins, to maximize the chances of it surviving the crash.
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