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https://issues.apache.org/jira/browse/HDFS-3157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13270769#comment-13270769
]
Hudson commented on HDFS-3157:
------------------------------
Integrated in Hadoop-Hdfs-trunk-Commit #2284 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/2284/])
HDFS-3157. Error in deleting block is keep on coming from DN even after the
block report and directory scanning has happened. Contributed by Ashish Singhi.
(Revision 1335719)
Result = SUCCESS
umamahesh :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1335719
Files :
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestRBWBlockInvalidation.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/DataNodeTestUtils.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetTestUtil.java
> Error in deleting block is keep on coming from DN even after the block report
> and directory scanning has happened
> -----------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-3157
> URL: https://issues.apache.org/jira/browse/HDFS-3157
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.23.0, 0.24.0
> Reporter: J.Andreina
> Assignee: Ashish Singhi
> Fix For: 0.24.0
>
> Attachments: HDFS-3157.patch, HDFS-3157.patch, HDFS-3157.patch
>
>
> Cluster setup:
> 1NN,Three DN(DN1,DN2,DN3),replication factor-2,"dfs.blockreport.intervalMsec"
> 300,"dfs.datanode.directoryscan.interval" 1
> step 1: write one file "a.txt" with sync(not closed)
> step 2: Delete the blocks in one of the datanode say DN1(from rbw) to which
> replication happened.
> step 3: close the file.
> Since the replication factor is 2 the blocks are replicated to the other
> datanode.
> Then at the NN side the following cmd is issued to DN from which the block is
> deleted
> -------------------------------------------------------------------------------------
> {noformat}
> 2012-03-19 13:41:36,905 INFO org.apache.hadoop.hdfs.StateChange: BLOCK
> NameSystem.addToCorruptReplicasMap: duplicate requested for
> blk_2903555284838653156 to add as corrupt on XX.XX.XX.XX by /XX.XX.XX.XX
> because reported RBW replica with genstamp 1002 does not match COMPLETE
> block's genstamp in block map 1003
> 2012-03-19 13:41:39,588 INFO org.apache.hadoop.hdfs.StateChange: BLOCK*
> Removing block blk_2903555284838653156_1003 from neededReplications as it has
> enough replicas.
> {noformat}
> From the datanode side in which the block is deleted the following exception
> occured
> {noformat}
> 2012-02-29 13:54:13,126 WARN org.apache.hadoop.hdfs.server.datanode.DataNode:
> Unexpected error trying to delete block blk_2903555284838653156_1003.
> BlockInfo not found in volumeMap.
> 2012-02-29 13:54:13,126 WARN org.apache.hadoop.hdfs.server.datanode.DataNode:
> Error processing datanode Command
> java.io.IOException: Error in deleting blocks.
> at
> org.apache.hadoop.hdfs.server.datanode.FSDataset.invalidate(FSDataset.java:2061)
> at
> org.apache.hadoop.hdfs.server.datanode.BPOfferService.processCommandFromActive(BPOfferService.java:581)
> at
> org.apache.hadoop.hdfs.server.datanode.BPOfferService.processCommandFromActor(BPOfferService.java:545)
> at
> org.apache.hadoop.hdfs.server.datanode.BPServiceActor.processCommand(BPServiceActor.java:690)
> at
> org.apache.hadoop.hdfs.server.datanode.BPServiceActor.offerService(BPServiceActor.java:522)
> at
> org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:662)
> at java.lang.Thread.run(Thread.java:619)
> {noformat}
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