[jira] [Updated] (KAFKA-15350) MetadataLoaderMetrics has ClassNotFoundException in system tests

["Greg Harris (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-15350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Greg Harris updated KAFKA-15350:
--------------------------------
    Issue Type: Bug  (was: Improvement)

> MetadataLoaderMetrics has ClassNotFoundException in system tests
> ----------------------------------------------------------------
>
>                 Key: KAFKA-15350
>                 URL: https://issues.apache.org/jira/browse/KAFKA-15350
>             Project: Kafka
>          Issue Type: Bug
>          Components: kraft, system tests
>    Affects Versions: 3.6.0
>            Reporter: Greg Harris
>            Priority: Blocker
>
> The system tests appear to be failing on trunk with:
> {noformat}
> [2023-08-15 22:11:34,235] ERROR Exiting Kafka due to fatal exception (kafka.Kafka$)
> java.lang.NoClassDefFoundError: org/apache/kafka/image/loader/MetadataLoaderMetrics
>    at kafka.server.KafkaRaftServer.<init>(KafkaRaftServer.scala:68)
>    at kafka.Kafka$.buildServer(Kafka.scala:83)
>    at kafka.Kafka$.main(Kafka.scala:91)
>    at kafka.Kafka.main(Kafka.scala)
> Caused by: java.lang.ClassNotFoundException: org.apache.kafka.image.loader.MetadataLoaderMetrics
>    at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
>    at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
>    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
>    at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
>    ... 4 more{noformat}
> This happens with the `tests/kafkatest/tests/connect/`, `tests/kafkatest/tests/core/kraft_upgrade_test.py` and possibly others.



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