GitHub user srowen opened a pull request:
https://github.com/apache/spark/pull/14105
[SPARK-16376] [WEBUI] [Spark web UI]:HTTP ERROR 500 when using rest api
"/applications/[app-id]/jobs" if array "stageIds" is empty
## What changes were proposed in this pull request?
Avoid error finding max of empty Seq when stageIds is empty. It does fix
the immediate problem; I don't know if it results in meaningful output, but not
an error at least.
## How was this patch tested?
Jenkins tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/srowen/spark SPARK-16376
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14105.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #14105
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commit da6feeaa790b6872c44efd26d30aacef822fc361
Author: Sean Owen <[email protected]>
Date: 2016-07-08T13:31:33Z
Avoid error finding max of empty Seq when stageIds is empty
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