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https://issues.apache.org/jira/browse/KNOX-1783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16802770#comment-16802770
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Martin Ruskov commented on KNOX-1783:
-------------------------------------
The problem I'm currently having is using the WebSSOut API call.
I've made a [dedicated
topology|https://github.com/mapto/knox_superset_testing/blob/master/topologies/knoxssout.xml]
as explained
[here|https://medium.com/data-collective/apache-zeppelin-oauth-integration-using-apache-knox-dea2362e3dda#9d50].
However, I get a NullPointerException in
[WebSSOutResource|https://git-wip-us.apache.org/repos/asf?p=knox.git;a=blob;f=gateway-service-knoxssout/src/main/java/org/apache/hadoop/gateway/service/knoxsso/WebSSOutResource.java;h=e082eb1aacf1860b9a78a535f34b971155852ec8;hb=653dbf6],
line 90 which is not caught by the catch clause. I'll look deeper into it in
the following days as it might be as simple as handling in the existing clause.
Still, I thought mentioning it as the problem seems independent from my
particular integration.
> Proxy support for Superset UI
> -----------------------------
>
> Key: KNOX-1783
> URL: https://issues.apache.org/jira/browse/KNOX-1783
> Project: Apache Knox
> Issue Type: Improvement
> Reporter: Martin Ruskov
> Assignee: Martin Ruskov
> Priority: Minor
> Fix For: 1.3.0
>
>
> Provide proxy UI support for the Superset UI.
>
> To my understanding, this is a matter of adding a [new
> service|https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.6.5/bk_security/content/adding_new_service_knox_gateway.html]
> to the KNOX gateway, but there seem to be problems with trailing slashes
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