Attach a clojure / scala repl to a running JVM

Question

I have a java web application running under tomcat in a Sun java 6 JVM. Is there a way to attach a scala or clojure REPL to the running JVM ?

Once the webapp is up and

Answer 1

You could use this: https://github.com/wirde/swank-inject

Allows you attach a Clojure repl to a running java process (with remote debugging enabled).

You are also able to specify a number of classes (singletons) for which instances will be found and bound to a symbol available in the repl.