I think this is a key thread, perhaps one of the only big problems, for Java 9+ support:
https://issues.apache.org/jira/browse/SPARK-24421?focusedCommentId=16680169&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-16680169 We basically can't access a certain method (Cleaner.clean()) anymore without the user adding JVM flags to allow it. As far as I can tell. I'm working out what the alternatives or implications are. Thoughts welcome. --------------------------------------------------------------------- To unsubscribe e-mail: dev-unsubscr...@spark.apache.org