This is very common in all open source projects, not just Java/Oracle.
It's not common for a random company to gatekeep contributions to a community project, and OpenJDK brands itself as a community project that's more or less independent from Oracle.
alt Hacker News
It's not common for a random company to gatekeep contributions to a community project, and OpenJDK brands itself as a community project that's more or less independent from Oracle.