[jira] [Work logged] (KNOX-3317) Fix NPE when no token metadata headers defined for ICEBERG-REST

[ASF GitHub Bot (Jira)]

     [ 
https://issues.apache.org/jira/browse/KNOX-3317?focusedWorklogId=1019332&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-1019332
 ]

ASF GitHub Bot logged work on KNOX-3317:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 08/May/26 08:45
            Start Date: 08/May/26 08:45
    Worklog Time Spent: 10m 
      Work Description: github-actions[bot] commented on PR #1225:
URL: https://github.com/apache/knox/pull/1225#issuecomment-4405031848

   ## Test Results
   21 tests   21 ✅  1s ⏱️
    1 suites   0 💤
    1 files     0 ❌
   
   Results for commit 49bd9987.
   
   
[test-results]:data:application/gzip;base64,H4sIAK6i/WkC/12Myw6DIBBFf8Ww7gIRW+jPNDA4yaQqDY9V038vWoPa3T3nJufNkMYhsnvTXhoWM6UKLgeTyM8bliMtl6jwiBngzzzpVQyvAg2NJzGE4MNmQp5rcdmn4E/svZUPuZWPNfDTRKkAk9o6rdWt52g4tA5tx1FKIVUHzoIVV+m4Vcg+X52wbwf/AAAA
   




Issue Time Tracking
-------------------

    Worklog Id:     (was: 1019332)
    Time Spent: 20m  (was: 10m)

> Fix NPE when no token metadata headers defined for ICEBERG-REST
> ---------------------------------------------------------------
>
>                 Key: KNOX-3317
>                 URL: https://issues.apache.org/jira/browse/KNOX-3317
>             Project: Apache Knox
>          Issue Type: Bug
>          Components: Server
>    Affects Versions: 3.0.0
>            Reporter: Sandor Molnar
>            Assignee: Sandor Molnar
>            Priority: Critical
>             Fix For: 3.0.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> NOX-3279 introduces the ability to apply custom headers Knox dispatches to 
> ICEBERG-REST.
> The issue is that {{service.xml}} doesn't contain any dispatch element with `
> token-metadata-headers` which ends up in the following runtime exception:
>  
> {noformat}
> Caused by: java.lang.NullPointerException: Cannot invoke 
> "String.split(String)" because "tokenMetadataHeadersConfig" is null at 
> org.apache.knox.gateway.service.restcatalog.TokenMetadataHeaderHandler.getMetadataHeaderConfig(TokenMetadataHeaderHandler.java:93)
>  ~[gateway-service-restcatalog-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT] at 
> org.apache.knox.gateway.service.restcatalog.TokenMetadataHeaderHandler.<init>(TokenMetadataHeaderHandler.java:67)
>  ~[gateway-service-restcatalog-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT] at 
> org.apache.knox.gateway.service.restcatalog.RestCatalogHaDispatch.<init>(RestCatalogHaDispatch.java:36)
>  ~[gateway-service-restcatalog-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT] at 
> jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native 
> Method) ~[?:?] at 
> jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
>  ~[?:?] at 
> jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>  ~[?:?] at 
> java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500) 
> ~[?:?] at java.lang.reflect.Constructor.newInstance(Constructor.java:481) 
> ~[?:?] at 
> org.apache.knox.gateway.dispatch.GatewayDispatchFilter.newInstanceFromName(GatewayDispatchFilter.java:226)
>  ~[gateway-spi-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT] at 
> org.apache.knox.gateway.dispatch.GatewayDispatchFilter.init(GatewayDispatchFilter.java:75)
>  ~[gateway-spi-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT] at 
> org.apache.knox.gateway.GatewayFilter$Holder.getInstance(GatewayFilter.java:421)
>  ~[gateway-server-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]{noformat}
>  



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