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https://issues.apache.org/jira/browse/FLINK-36349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Weijie Guo resolved FLINK-36349.
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Fix Version/s: 2.0-preview
Resolution: Fixed
master(2.0) via b2d328919c0244c54427e82e71b7c1c4ac9aff8a.
This should fix the failure case, feel free to reopen this if not.
> ClassNotFoundException due to
> org.apache.flink.runtime.types.FlinkScalaKryoInstantiator missing
> -----------------------------------------------------------------------------------------------
>
> Key: FLINK-36349
> URL: https://issues.apache.org/jira/browse/FLINK-36349
> Project: Flink
> Issue Type: Bug
> Components: API / Type Serialization System
> Affects Versions: 2.0-preview
> Reporter: Matthias Pohl
> Priority: Blocker
> Labels: pull-request-available, test-stability
> Fix For: 2.0-preview
>
>
> This is most likely caused by FLINK-29741 which was recently merged.
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=62359&view=logs&j=8fd9202e-fd17-5b26-353c-ac1ff76c8f28&t=ea7cf968-e585-52cb-e0fc-f48de023a7ca&l=17558
> {code}
> Sep 23 01:58:51 01:58:50,533 12326 [AsyncOperations-thread-1] INFO
> org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer [] - Kryo
> serializer scala extensions are not available.
> Sep 23 01:58:51 java.lang.ClassNotFoundException:
> org.apache.flink.runtime.types.FlinkScalaKryoInstantiator
> Sep 23 01:58:51 at
> java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[?:1.8.0_292]
> Sep 23 01:58:51 at
> java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[?:1.8.0_292]
> Sep 23 01:58:51 at
> sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352) ~[?:1.8.0_292]
> Sep 23 01:58:51 at
> java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_292]
> Sep 23 01:58:51 at java.lang.Class.forName0(Native Method)
> ~[?:1.8.0_292]
> Sep 23 01:58:51 at java.lang.Class.forName(Class.java:264)
> ~[?:1.8.0_292]
> [...]
> {code}
> It causes ClosureCleanerITCase to fail in the AdaptiveScheduler test profile.
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