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https://issues.apache.org/jira/browse/BEAM-11385?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kenneth Knowles updated BEAM-11385:
-----------------------------------
    Status: Open  (was: Triage Needed)

> Samza "[type.argument.type.incompatible] " error.
> -------------------------------------------------
>
>                 Key: BEAM-11385
>                 URL: https://issues.apache.org/jira/browse/BEAM-11385
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-samza
>    Affects Versions: 2.26.0
>            Reporter: Robert Burke
>            Assignee: Robert Burke
>            Priority: P2
>             Fix For: 2.26.0
>
>
> Unable to build samza due to the following:
> ```
> Task :runners:samza:compileJava 
> /home/rebo/build_release_candidate/beam/runners/samza/src/main/java/org/apache/beam/runners/samza/runtime/KeyedTimerData.java:48:
>  error: [type.argument.type.incompatible] incompatible type argument for type 
> parameter K of KeyedTimerData. public class KeyedTimerData<K> implements 
> Comparable<KeyedTimerData<K>> { ^ found : K[ extends @UnknownKeyFor Object 
> super @KeyForBottom Void] required: [extends @UnknownKeyFor Object super 
> @UnknownKeyFor null]
> ```
>  
> Suppressing "keyfor" for the class resolves the issue.
> It's not clear why this isn't happening on master.



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