[jira] [Commented] (SPARK-20517) Download link in history server UI is not correct

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-20517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15988087#comment-15988087 ] 

Apache Spark commented on SPARK-20517:
--------------------------------------

User 'jerryshao' has created a pull request for this issue:
https://github.com/apache/spark/pull/17795

> Download link in history server UI is not correct
> -------------------------------------------------
>
>                 Key: SPARK-20517
>                 URL: https://issues.apache.org/jira/browse/SPARK-20517
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 2.1.0, 2.2.0
>            Reporter: Saisai Shao
>            Priority: Minor
>
> The download link in history server UI is concatenated with:
> {code}
>       <td><a href="{{uiroot}}/api/v1/applications/{{id}}/{{num}}/logs" class="btn btn-info btn-mini">Download</a></td>
> {code}
> Here {{num}} filed represents number of attempts, this is not equal to REST APIs. In the REST API, if attempt id is not existed, then {{num}} field should be empty, otherwise this {{num}} field should actually be {{attemptId}}.
> This will lead to the issue of "no such app", rather than correctly download the event log.



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