Today I noticed that with the latest build of oracle jdk 1.9 [1], Eclipse Neon M7 will not start.

The issue is tracked here:

A few minutes ago that issue's target was moved to Neon.1. So if I read that correctly, it means that Neon won't be able to run on java 9 when it's released in June.

-Martin

[1] Build 118, available from https://jdk9.java.net/download/