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https://issues.apache.org/jira/browse/HDFS-10429?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15805935#comment-15805935
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Wei-Chiu Chuang commented on HDFS-10429:
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I have not been able to make progress on this.
But for the record, I suspect this bug could result in resource leakage
(threads, sockets for example). That said, resource leakage shouldn't be a big
issue. Threads will be terminated anyway if CLI command process stops.
> DataStreamer interrupted warning always appears when using CLI upload file
> ---------------------------------------------------------------------------
>
> Key: HDFS-10429
> URL: https://issues.apache.org/jira/browse/HDFS-10429
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.7.3
> Reporter: Zhiyuan Yang
> Assignee: Wei-Chiu Chuang
> Priority: Minor
> Attachments: HDFS-10429.1.patch, HDFS-10429.2.patch,
> HDFS-10429.3.patch
>
>
> Every time I use 'hdfs dfs -put' upload file, this warning is printed:
> {code:java}
> 16/05/18 20:57:56 WARN hdfs.DataStreamer: Caught exception
> java.lang.InterruptedException
> at java.lang.Object.wait(Native Method)
> at java.lang.Thread.join(Thread.java:1245)
> at java.lang.Thread.join(Thread.java:1319)
> at
> org.apache.hadoop.hdfs.DataStreamer.closeResponder(DataStreamer.java:871)
> at org.apache.hadoop.hdfs.DataStreamer.endBlock(DataStreamer.java:519)
> at org.apache.hadoop.hdfs.DataStreamer.run(DataStreamer.java:696)
> {code}
> The reason is this: originally, DataStreamer::closeResponder always prints a
> warning about InterruptedException; since HDFS-9812,
> DFSOutputStream::closeImpl always forces threads to close, which causes
> InterruptedException.
> A simple fix is to use debug level log instead of warning level.
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