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https://issues.apache.org/jira/browse/HADOOP-1220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dhruba borthakur updated HADOOP-1220:
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Attachment: datanodeDeleteBlocks.patch
Implemented the changes described in the previous comment.
> block not found in blockMap
> ---------------------------
>
> Key: HADOOP-1220
> URL: https://issues.apache.org/jira/browse/HADOOP-1220
> Project: Hadoop
> Issue Type: Bug
> Components: dfs
> Reporter: Koji Noguchi
> Attachments: datanodeDeleteBlocks.patch
>
>
> From Hadoop-973 debug message, we had datanode constantly printing out the
> following message.
> ...
> 2007-04-02 23:59:50,122 WARN org.apache.hadoop.dfs.DataNode:
> java.io.IOException: Unexpected error trying to delete block
> blk_-3400783150525166031. Block not found in blockMap.
> at org.apache.hadoop.dfs.FSDataset.invalidate(FSDataset.java:596)
> at org.apache.hadoop.dfs.DataNode.offerService(DataNode.java:460)
> at org.apache.hadoop.dfs.DataNode.run(DataNode.java:1053)
> at java.lang.Thread.run(Thread.java:619)
> 2007-04-02 23:59:50,433 INFO org.apache.hadoop.dfs.DataNode: Served block
> blk_-8672111663356339464 to /72.30.127.164
> 2007-04-02 23:59:52,993 WARN org.apache.hadoop.dfs.DataNode:
> java.io.IOException: Unexpected error trying to delete block
> blk_-3400783150525166031. Block not found in blockMap.
> at org.apache.hadoop.dfs.FSDataset.invalidate(FSDataset.java:596)
> at org.apache.hadoop.dfs.DataNode.offerService(DataNode.java:460)
> at org.apache.hadoop.dfs.DataNode.run(DataNode.java:1053)
> at java.lang.Thread.run(Thread.java:619)
> ....
> Ten minutes before these logs, there was
> 2007-04-02 20:42:49,648 INFO org.apache.hadoop.dfs.DataNode: Deleting block
> blk_-3400783150525166031
> There was a file for that block in the directory.
> /../../hadoop/dfs/data/data/subdir17/blk_-3400783150525166031
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