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https://issues.apache.org/jira/browse/YARN-2554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14137544#comment-14137544
 ] 

Hadoop QA commented on YARN-2554:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12669439/YARN-2554.1.patch
  against trunk revision c0c7e6f.

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include 
any new or modified tests.
                        Please justify why no new tests are needed for this 
patch.
                        Also please list what manual steps were performed to 
verify this patch.

    {color:red}-1 javac{color:red}.  The patch appears to cause the build to 
fail.

Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4990//console

This message is automatically generated.

> Slider AM Web UI is inaccessible if HTTPS/SSL is specified as the HTTP policy
> -----------------------------------------------------------------------------
>
>                 Key: YARN-2554
>                 URL: https://issues.apache.org/jira/browse/YARN-2554
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: webapp
>    Affects Versions: 2.6.0
>            Reporter: Jonathan Maron
>         Attachments: YARN-2554.1.patch
>
>
> If the HTTP policy to enable HTTPS is specified, the RM and AM are 
> initialized with SSL listeners.  The RM has a web app proxy servlet that acts 
> as a proxy for incoming AM requests.  In order to forward the requests to the 
> AM the proxy servlet makes use of HttpClient.  However, the HttpClient 
> utilized is not initialized correctly with the necessary certs to allow for 
> successful one way SSL invocations to the other nodes in the cluster (it is 
> not configured to access/load the client truststore specified in 
> ssl-client.xml).   I imagine SSLFactory.createSSLSocketFactory() could be 
> utilized to create an instance that can be assigned to the HttpClient.
> The symptoms of this issue are:
> AM: Displays "unknown_certificate" exception
> RM:  Displays an exception such as "javax.net.ssl.SSLHandshakeException: 
> sun.security.validator.ValidatorException: PKIX path building failed: 
> sun.security.provider.certpath.SunCertPathBuilderException: unable to find 
> valid certification path to requested target"



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