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https://issues.apache.org/jira/browse/HBASE-497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryan Duxbury updated HBASE-497:
--------------------------------
Attachment: 497-0.1-v2.patch
Passes unit tests locally.
> RegionServer needs to recover if datanode goes down
> ---------------------------------------------------
>
> Key: HBASE-497
> URL: https://issues.apache.org/jira/browse/HBASE-497
> Project: Hadoop HBase
> Issue Type: Bug
> Affects Versions: 0.16.0
> Reporter: Michael Bieniosek
> Assignee: Bryan Duxbury
> Priority: Blocker
> Fix For: 0.1.0, 0.2.0
>
> Attachments: 497-0.1-v2.patch, 497_0.1.patch
>
>
> If I take down a datanode, the regionserver will repeatedly return this error:
> java.io.IOException: Stream closed.
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream.isClosed(DFSClient.java:1875)
> at
> org.apache.hadoop.dfs.DFSClient$DFSOutputStream.writeChunk(DFSClient.java:2096)
> at
> org.apache.hadoop.fs.FSOutputSummer.writeChecksumChunk(FSOutputSummer.java:141)
> at
> org.apache.hadoop.fs.FSOutputSummer.flushBuffer(FSOutputSummer.java:124)
> at org.apache.hadoop.fs.FSOutputSummer.write1(FSOutputSummer.java:112)
> at org.apache.hadoop.fs.FSOutputSummer.write(FSOutputSummer.java:86)
> at
> org.apache.hadoop.fs.FSDataOutputStream$PositionCache.write(FSDataOutputStream.java:41)
> at java.io.DataOutputStream.write(Unknown Source)
> at
> org.apache.hadoop.io.SequenceFile$Writer.append(SequenceFile.java:977)
> at org.apache.hadoop.hbase.HLog.append(HLog.java:377)
> at org.apache.hadoop.hbase.HRegion.update(HRegion.java:1455)
> at org.apache.hadoop.hbase.HRegion.batchUpdate(HRegion.java:1259)
> at
> org.apache.hadoop.hbase.HRegionServer.batchUpdate(HRegionServer.java:1433)
> at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at org.apache.hadoop.hbase.ipc.HbaseRPC$Server.call(HbaseRPC.java:413)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:910)
> It appears that hbase/dfsclient does not attempt to reopen the stream.
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