[ https://issues.apache.org/jira/browse/KAFKA-15350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Greg Harris resolved KAFKA-15350. --------------------------------- Resolution: Invalid I believe this was an environmental problem, due to some stale artifacts. A clean build fixed the issues I was seeing. > 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. -- This message was sent by Atlassian Jira (v8.20.10#820010)