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Francesco Chicchiriccò commented on OPENJPA-2918: ------------------------------------------------- Just upgrade to OpenJPA 4.0.0-SNAPSHOT and it should work flawlessly. Hopefully, RC1 will be out soon: https://lists.apache.org/thread/mgfq4z3lyyc0nvy04890426k6b7y1724 > Support for Java 21 > ------------------- > > Key: OPENJPA-2918 > URL: https://issues.apache.org/jira/browse/OPENJPA-2918 > Project: OpenJPA > Issue Type: Bug > Reporter: Benoit Tellier > Priority: Major > > While trying to add Java 21 support in Apache James, the OpenJPA maven plugin > (version 3.2.2) throw the following exception: > {code:java} > [ERROR] Failed to execute goal > org.apache.openjpa:openjpa-maven-plugin:3.2.2:enhance (enhancer) on project > james-server-data-jpa: Execution enhancer of goal > org.apache.openjpa:openjpa-maven-plugin:3.2.2:enhance failed: Unsupported > class file major version 65 -> [Help 1] > {code} > Maybe this could be as easy as updating the maven-plugin-plugin version? > Updating it aggressively solved a similar issue wit Apache James mailet > documentation maven plugin... -- This message was sent by Atlassian Jira (v8.20.10#820010)