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https://issues.apache.org/jira/browse/SPARK-33579?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-33579:
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Assignee: (was: Apache Spark)
> Executors blank page behind proxy
> ---------------------------------
>
> Key: SPARK-33579
> URL: https://issues.apache.org/jira/browse/SPARK-33579
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 3.0.1
> Environment: Spark 3.0.1 on Kubernetes
> Reporter: Pascal GILLET
> Priority: Minor
> Labels: core, ui
>
> When accessing the Web UI behind a proxy (e.g. a Kubernetes ingress),
> executors page is blank.
> In {{/core/src/main/resources/org/apache/spark/ui/static/utils.js}}, we
> should avoid the use of location.origin when constructing URLs for internal
> API calls within the JavaScript.
> Instead, we should use {{apiRoot}} global variable.
> On one hand, it would allow to build relative URLs. On the other hand,
> {{apiRoot}} reflects the Spark property {{spark.ui.proxyBase}} which can be
> set to change the root path of the Web UI.
> If {{spark.ui.proxyBase}} is actually set, original URLs become incorrect,
> and we end up with an executors blank page.
> I encounter this bug when accessing the Web UI behind a proxy (in my case a
> Kubernetes Ingress).
>
> See also
> [https://github.com/jupyterhub/jupyter-server-proxy/issues/57#issuecomment-699163115]
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