Write once, debug/test everywhere is a variant on Java's write once, run anywhere claim, and it defines the Java Platform Debugger Architecture (JPDA). The JPDA is a client/server system built ...

The Eclipse Debug Framework provides a powerful API for launching and debugging applications written in any language. Developers supporting new languages and environments can extend the framework ...

Eclipse has made creating, and especially debugging Java code so much easier that it is hard to imagine living without it. And that last bit is the problem. Sometimes we have to live without Eclipse.