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https://issues.apache.org/jira/browse/FLINK-16380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Metzger resolved FLINK-16380.
------------------------------------
    Resolution: Fixed

Resolved inĀ 195b0d03ad994a82baee8864c1fedf1ae68b0144

> AZP: Python test fails on jdk11 nightly test (misc profile)
> -----------------------------------------------------------
>
>                 Key: FLINK-16380
>                 URL: https://issues.apache.org/jira/browse/FLINK-16380
>             Project: Flink
>          Issue Type: Bug
>          Components: Build System / Azure Pipelines
>            Reporter: Robert Metzger
>            Assignee: Robert Metzger
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Logs: 
> https://dev.azure.com/rmetzger/Flink/_build/results?buildId=5779&view=logs&j=d5dbfc72-24cf-5a8f-e213-1ae80d4b2df8&t=cb83ed8c-7d59-59ba-b58d-25e43fbaa4b2
> {code}
> ----------------------------- Captured stderr call 
> -----------------------------
> Error: A JNI error has occurred, please check your installation and try again
> Exception in thread "main" java.lang.UnsupportedClassVersionError: 
> org/apache/flink/client/python/PythonGatewayServer has been compiled by a 
> more recent version of the Java Runtime (class file version 55.0), this 
> version of the Java Runtime only recognizes class file versions up to 52.0
>       at java.lang.ClassLoader.defineClass1(Native Method)
>       at java.lang.ClassLoader.defineClass(ClassLoader.java:757)
>       at 
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
>       at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
>       at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
>       at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
>       at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
>       at java.lang.ClassLoader.loadClass(ClassLoader.java:419)
>       at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
>       at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
>       at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:495)
> ___________________ StreamTableWindowTests.test_over_window 
> ____________________
> {code}



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