[jira] [Created] (SPARK-12825) Spark-submit Jar URL loading fails on redirect

["Alex Nederlof (JIRA)" <ji...@apache.org>]

Alex Nederlof created SPARK-12825:
-------------------------------------

             Summary: Spark-submit Jar URL loading fails on redirect
                 Key: SPARK-12825
                 URL: https://issues.apache.org/jira/browse/SPARK-12825
             Project: Spark
          Issue Type: Bug
    Affects Versions: 1.6.0
            Reporter: Alex Nederlof
            Priority: Minor


When you use spark-submit, and pass the jar as a URL, it fails when the URL redirects. 

The log prints: 
{code}
16/01/14 14:26:43 INFO Utils: Fetching http://myUrl/my.jar to /opt/spark/spark-1.6.0-bin-hadoop2.6/work/driver-20160114142642-0010/fetchFileTemp8495494631100918254.tmp
{code}

However, that file doesn't exist, but a file called "redirect" is created, with the appropriate content. 

After that, the driver fails with

{code}
16/01/14 14:26:43 WARN Worker: Driver driver-20160114142642-0010 failed with unrecoverable exception: java.lang.Exception: Did not see expected jar my.jar in /opt/spark/spark-1.6.0-bin-hadoop2.6/work/driver-20160114142642-0010
{code}

Here's the related code:
https://github.com/apache/spark/blob/56cdbd654d54bf07a063a03a5c34c4165818eeb2/core/src/main/scala/org/apache/spark/util/Utils.scala#L583-L603

My Scala chops aren't up to this challenge, otherwise I would have made a patch.



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