Java 25 Support

[MarkRx]

Java 25 is out. However, attempting to compile with it results in the following:

Cannot invoke "org.eclipse.xtext.util.JavaVersion.isAtLeast(org.eclipse.xtext.util.JavaVersion)" because the return value of "org.eclipse.xtext.xbase.compiler.GeneratorConfig.getJavaSourceVersion()" is null

JavaVersion would need to be updated though I suspect there is a lot more to it than that.

[cdietrich]

Yes e.g. a JDT in maven Central with support format. Due in December I’m I am not mistaken

[HannesWell]

Yes e.g. a JDT in maven Central with support format. Due in December I’m I am not mistaken

Yes, the latest version of JDT's java compiler support Java-25 and are available on Maven-Central since December.

Is there more that needs to be done? If yes, I can offer to help, but need some guidance/reference.

[cdietrich]

its complicated

• drop the 17 support (from wizard) and build (adjust all 5 billion constants 17=>21)
• likely increase minimum tp
• introduce the 25 const one, check the class file constants stuff
• figure out build / tycho 5.x setup
• introduce constants in code
• adjust all likely failing tests
• enhance the reference projects to tests

see e.g. #3037 and folllow ups

[cdietrich]

see also #3624

[HannesWell]

Can this be considered resolved since we now have

• Add compiler support for Java-25 and set up a Java-25 build #3604