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https://issues.apache.org/jira/browse/YARN-1479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13852016#comment-13852016
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Hadoop QA commented on YARN-1479:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12619379/Yarn-1491.patch
against trunk revision .
{color:red}-1 patch{color}. The patch command could not apply the patch.
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/2691//console
This message is automatically generated.
> Invalid NaN values in Hadoop REST API JSON response
> ---------------------------------------------------
>
> Key: YARN-1479
> URL: https://issues.apache.org/jira/browse/YARN-1479
> Project: Hadoop YARN
> Issue Type: Improvement
> Affects Versions: 0.23.6, 2.0.4-alpha
> Reporter: Kendall Thrapp
> Assignee: Chen He
> Fix For: 2.4.0
>
> Attachments: Yarn-1491.patch
>
>
> I've been occasionally coming across instances where Hadoop's Cluster
> Applications REST API
> (http://hadoop.apache.org/docs/r0.23.6/hadoop-yarn/hadoop-yarn-site/ResourceManagerRest.html#Cluster_Applications_API)
> has returned JSON that PHP's json_decode function failed to parse. I've
> tracked the syntax error down to the presence of the unquoted word NaN
> appearing as a value in the JSON. For example:
> "progress":NaN,
> NaN is not part of the JSON spec, so its presence renders the whole JSON
> string invalid. Hadoop needs to return something other than NaN in this case
> -- perhaps an empty string or the quoted string "NaN".
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