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https://issues.apache.org/jira/browse/KNOX-3498?focusedWorklogId=1044965&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-1044965
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ASF GitHub Bot logged work on KNOX-3498:
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Author: ASF GitHub Bot
Created on: 30/Sep/26 17:24
Start Date: 30/Sep/26 17:24
Worklog Time Spent: 10m
Work Description: moresandeep opened a new pull request, #1437:
URL: https://github.com/apache/knox/pull/1437
[KNOX-3498](https://issues.apache.org/jira/browse/KNOX-3498) - In cases of
failures with OIDC issuer discovery url containing IP addresses log a proper
error and warn message.
NOTE: Claude Code (Opus 5.5) was used to assist with debugging of the issue
and helping out with the code. The PR was inspected and reviewed by me.
## What changes were proposed in this pull request?
Add a proper error messages so we don't chase after wrong issues.
## How was this patch tested?
Patch was tested locally.
## Integration Tests
N/A
Issue Time Tracking
-------------------
Worklog Id: (was: 1044965)
Remaining Estimate: 0h
Time Spent: 10m
> OIDC issuer discovery url with IP breaks when FIPS enabled.
> -----------------------------------------------------------
>
> Key: KNOX-3498
> URL: https://issues.apache.org/jira/browse/KNOX-3498
> Project: Apache Knox
> Issue Type: Bug
> Components: Server
> Reporter: Sandeep More
> Assignee: Sandeep More
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> A trusted OIDC issuer whose discovery url has IP (used in`jwks_uri`) breaks
> with BouncyCastle FIPS, the failure looks like a missing CA which is
> misleading.
>
> For KnoxIDF, registering a trusted OIDC issuer whose discovery document
> advertises `jwks_uri` as an IP makes token exchange fail, and the reported
> error is looks similar to trust-store misconfiguration. Example is in k8s
> : kube-apiserver advertises an IP by default, e.g.
> "jwks_uri": "https://10.83.4.208:6443/openid/v1/jwks";
>
> *Workaround:*
> 1. Knox config:
> Move the issuer onto the static verification route, which accepts an explicit
> JWKS URL list, and give it the hostname form of the endpoint:
> <param><name>jwt.expected.issuer</name>
>
> <value>KNOXSSO,https://kubernetes.default.svc.cluster.local</value></param>
> <param><name>knox.token.jwks.urls</name>
>
> <value>https://knox.example.com/gateway/knox-token/knoxtoken/api/v1/jwks.json,
>
> https://kubernetes.default.svc.cluster.local/openid/v1/jwks</value></param>
> 2. K8S Config
> Alternatively fix it at the source with kube-apiserver
> `--service-account-jwks-uri=https://kubernetes.default.svc.cluster.local/openid/v1/jwks`.
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