[jira] [Updated] (FLINK-23982) Compiling error in WindowOperatorTest

["Matthias Pohl (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-23982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthias Pohl updated FLINK-23982:
----------------------------------
    Summary: Compiling error in WindowOperatorTest  (was: Compiling error in WindowOperatorTest with JDK11)

> Compiling error in WindowOperatorTest
> -------------------------------------
>
>                 Key: FLINK-23982
>                 URL: https://issues.apache.org/jira/browse/FLINK-23982
>             Project: Flink
>          Issue Type: Bug
>          Components: Build System
>    Affects Versions: 1.14.0, 1.18.0
>            Reporter: Xintong Song
>            Priority: Major
>              Labels: test-stability
>
> What I don't understand is, while the error does not seem to be environment related, the other JDK11 compiling stages in the same build did not fail. 
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=22855&view=logs&j=6caf31d6-847a-526e-9624-468e053467d6&t=0b23652f-b18b-5b6e-6eb6-a11070364610&l=3650
> {code}
> [INFO] -------------------------------------------------------------
> [ERROR] COMPILATION ERROR : 
> [INFO] -------------------------------------------------------------
> [ERROR] /home/vsts/work/1/s/flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/operators/windowing/WindowOperatorTest.java:[678,43] incompatible types: cannot infer type arguments for org.apache.flink.streaming.runtime.operators.windowing.WindowOperator<>
>     reason: inference variable KEY has incompatible equality constraints ACC,org.apache.flink.api.java.tuple.Tuple2<java.lang.String,java.lang.Integer>,IN,K,java.lang.String
> {code}



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