terrymanu commented on issue #37884:
URL:
https://github.com/apache/shardingsphere/issues/37884#issuecomment-3817091329
Yes, you can compile with JDK 21 and still support JDK 8 runtime, as long as:
- Core/published modules keep maven.compiler.release=8 (or equivalent).
- Runtime dependencies of those published artifacts remain Java
8–compatible; do not upgrade to Java 17/21–only libs (e.g., Hive 4.2.0) unless
you explicitly accept raising the runtime baseline or isolate them away from
core runtime consumers.
Action for maintainers: When raising the compile baseline, audit dependency
closures to ensure no Java 17/21–only runtime jars leak into
shardingsphere-jdbc or Proxy distributions unless the project is ready to raise
the runtime baseline.
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