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https://issues.apache.org/jira/browse/YARN-1479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13906973#comment-13906973
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Hudson commented on YARN-1479:
------------------------------
SUCCESS: Integrated in Hadoop-Hdfs-trunk #1679 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1679/])
YARN-1479. Invalid NaN values in Hadoop REST API JSON response (Chen He via
jeagles) (jeagles:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1569853)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterService.java
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/MockAM.java
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestApplicationMasterService.java
> 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: 3.0.0, 2.5.0
>
> Attachments: Yarn-1479.patch, Yarn-1479v2.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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