Pierre Leresteux created SPARK-33413:
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Summary: SparkUI / Executor Page doesn't work were under external
reverse proxy
Key: SPARK-33413
URL: https://issues.apache.org/jira/browse/SPARK-33413
Project: Spark
Issue Type: Bug
Components: Web UI
Affects Versions: 3.0.1, 2.4.7
Reporter: Pierre Leresteux
When using SparkUI under an externel reverse proxy (NGinx, Træfik, ... ), you
can configure SparkUI to be correctly displayed (html page and all static
resources). But in the executors page, when calling the /api/, the URL don't
use the Spark proxyBase configuration.
Here is an example :
I use Træfik to access to the SparkUI using the path : /sparkui (a proxy
redirect is made when I call [http://acme.com/sparkui] to the SparkUI) and I
use this Spark config :
spark.ui.proxyBase /sparkui
spark.ui.proxyRedirectUri /
using this config, when calling [http://acme.com/sparkui] I'll be redirected to
[http://acme.com/sparkui/jobs/] and all is currently serve (HTML and all static
files)
But I go on [http://acme.com/sparkui/executors/] a XHR call is made using this
URL [http://acme.com/api/v1/applications] so it doesn't use the reverse proxy
rule ... the correct URL should be :
[http://acme.com/sparkui/api/v1/applications]
I discover on the code (here for example
[https://github.com/apache/spark/blob/branch-3.0/core/src/main/resources/org/apache/spark/ui/static/utils.js#L193)]
that SparkUI use the location.origin (in my case
[http://acme.com|http://acme.com%29./]). I think it should use the complete URL
(under the last part like /executors/) instead or receive the proxyBase
configuration to add it after the location.origin ...
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