Oracle banned AI-generated contributions from OpenJDK entirely, including partially generated code.

The interim policy bars contributions containing content generated in part or in full by LLMs or diffusion models, extending past source code to documentation, pull requests, mailing-list email, wiki pages and Java Bug System reports. Have an AI write 100 lines, edit a few, still disqualified. Stated reasons: reviewer burden from plausible-but-wrong code, the JDK's mission-critical safety bar, and unresolved IP ownership under the Oracle Contributor Agreement, "the subject of active litigation." Private LLM use for debugging and review is still fine. The contrast with Larry Ellison saying AI now writes Oracle's code, and with Oracle's own GraalVM allowing AI contributions, pushed the HN thread to 483 points and 347 comments. Compare Wyzer (201 points), which credits AI for commit messages, research and logo design and ships a CLAUDE.md, as a working example of the disclosure norm Oracle just rejected.