[GitHub] [druid] gianm commented on issue #13216: Warnigs in Druid node logs after upgrade Java to 11

[GitBox <gi...@apache.org>]

gianm commented on issue #13216:
URL: https://github.com/apache/druid/issues/13216#issuecomment-1276844735

   This is due to JDK encapsulation: https://druid.apache.org/docs/latest/operations/java.html#strong-encapsulation
   
   You can avoid them, if you like, by adding the mentioned `--add-exports` and `--add-opens` to your jvm parameters. Although as mentioned, the warnings are harmless, so this isn't required. Patch #12839 adds some logic to the startup scripts to set these automatically on Java 17, where they _are_ required.


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