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From "Robert Kanter (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6625) yarn application -list returns a tracking URL for AM that doesn't work in secured and HA environment
Date Fri, 14 Jul 2017 20:18:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16087971#comment-16087971
] 

Robert Kanter commented on YARN-6625:
-------------------------------------

Two last minor things and then we're good to go:
# The {{isValidUrl}} method can be more simpler/compact - something like this:
{code:java}
private boolean isValidUrl(String url) {
  boolean isValid = false;
  try {
    HttpURLConnection conn =
      (HttpURLConnection) new URL(url).openConnection();
    conn.connect();
    isValid = (conn.getResponseCode() == HttpURLConnection.HTTP_OK);
  } catch (Exception e) {
    LOG.debug("Failed to connect to " + url + ": " + e.toString());
  }
  return isValid;
}
{code}
# Remove the * imports from TestAmFilter

> yarn application -list returns a tracking URL for AM that doesn't work in secured and
HA environment
> ----------------------------------------------------------------------------------------------------
>
>                 Key: YARN-6625
>                 URL: https://issues.apache.org/jira/browse/YARN-6625
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: amrmproxy
>    Affects Versions: 3.0.0-alpha2
>            Reporter: Yufei Gu
>            Assignee: Yufei Gu
>         Attachments: YARN-6625.001.patch, YARN-6625.002.patch, YARN-6625.003.patch
>
>
> The tracking URL given at the command line should work secured or not. The tracking URLs
are like http://node-2.abc.com:47014 and AM web server supposed to redirect it to a RM address
like this http://node-1.abc.com:8088/proxy/application_1494544954891_0002/, but it fails to
do that because the connection is rejected when AM is talking to RM admin service to get HA
status.



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