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https://issues.apache.org/jira/browse/YARN-2605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14508861#comment-14508861
]
Hudson commented on YARN-2605:
------------------------------
FAILURE: Integrated in Hadoop-Hdfs-trunk #2104 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/2104/])
YARN-2605. [RM HA] Rest api endpoints doing redirect incorrectly. (Xuan Gong
via stevel) (stevel: rev d9bcf99aef23f71391c728279698f4265a8d1243)
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMWebAppFilter.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/TestRMFailover.java
* hadoop-yarn-project/CHANGES.txt
> [RM HA] Rest api endpoints doing redirect incorrectly
> -----------------------------------------------------
>
> Key: YARN-2605
> URL: https://issues.apache.org/jira/browse/YARN-2605
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Affects Versions: 2.4.0
> Reporter: bc Wong
> Assignee: Xuan Gong
> Labels: newbie
> Fix For: 2.7.1
>
> Attachments: YARN-2605.1.patch, YARN-2605.2.patch
>
>
> The standby RM's webui tries to do a redirect via meta-refresh. That is fine
> for pages designed to be viewed by web browsers. But the API endpoints
> shouldn't do that. Most programmatic HTTP clients do not do meta-refresh. I'd
> suggest HTTP 303, or return a well-defined error message (json or xml)
> stating that the standby status and a link to the active RM.
> The standby RM is returning this today:
> {noformat}
> $ curl -i http://bcsec-1.ent.cloudera.com:8088/ws/v1/cluster/metrics
> HTTP/1.1 200 OK
> Cache-Control: no-cache
> Expires: Thu, 25 Sep 2014 18:34:53 GMT
> Date: Thu, 25 Sep 2014 18:34:53 GMT
> Pragma: no-cache
> Expires: Thu, 25 Sep 2014 18:34:53 GMT
> Date: Thu, 25 Sep 2014 18:34:53 GMT
> Pragma: no-cache
> Content-Type: text/plain; charset=UTF-8
> Refresh: 3; url=http://bcsec-2.ent.cloudera.com:8088/ws/v1/cluster/metrics
> Content-Length: 117
> Server: Jetty(6.1.26)
> This is standby RM. Redirecting to the current active RM:
> http://bcsec-2.ent.cloudera.com:8088/ws/v1/cluster/metrics
> {noformat}
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