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https://issues.apache.org/jira/browse/HDFS-7873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14357471#comment-14357471
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Haohui Mai commented on HDFS-7873:
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Can you please format the code with the compliance of the Hadoop coding style:
http://wiki.apache.org/hadoop/CodeReviewChecklist
I also don't understand why the unit test can effectively cover this issue. Can
you explain?
> OIV webhdfs premature close channel issue
> -----------------------------------------
>
> Key: HDFS-7873
> URL: https://issues.apache.org/jira/browse/HDFS-7873
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: tools
> Affects Versions: 2.6.0, 2.5.2
> Reporter: Benoit Perroud
> Priority: Minor
> Attachments: HDFS-7873-v1.txt, HDFS-7873-v2.txt
>
>
> The new Offline Image Viewer (OIV) supports to load the FSImage and _emulate_
> a webhdfs server to explore the image without touching the NN.
> This webhdfs server is not working with folders holding a significant number
> of children (files or other folders):
> {quote}
> $ hadoop fs -ls webhdfs://127.0.0.1:5978/a/big/folder
> 15/03/03 04:28:19 WARN ssl.FileBasedKeyStoresFactory: The property
> 'ssl.client.truststore.location' has not been set, no TrustStore will be
> loaded
> 15/03/03 04:28:21 WARN security.UserGroupInformation:
> PriviledgedActionException as:bperroud (auth:SIMPLE)
> cause:java.io.IOException: Response decoding failure:
> java.lang.IllegalStateException: Expected one of '"}'
> ls: Response decoding failure: java.lang.IllegalStateException: Expected one
> of '"}'
> {quote}
> The error comes from an inappropriate usage of Netty.
> {{e.getFuture().addListener(ChannelFutureListener.CLOSE)}} is closing the
> channel too early because the future attached to the channel already sent the
> header so the I/O operation succeeded.
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