JVM version 9 issues and limitations
Some considerations if you are using the J9 VM.
If you are using Java™ Virtual Machine (JVM) version 9 (J9) with Language Environment (LE) enabled applications, you might need to run the JVM with the -Xrs:sync option to invoke Fault Analyzer for abends. For general information about J9 issues and limitations, see https://www.ibm.com/docs/en/sdk-java-technology/8?topic=reference-j9-issues-limitations.