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Re:Dropwizard 0.8.0: Java framework for ops-friendly, high-p... by idunno246 on Monday March 09, 2015 @02:34AM (#9169518)
most IDEs have support for this - you can change a method while debugging even and itll reset the stack with your changes. Theres also pro tools like jrebel that are supposed to solve it better than the built in stuff.
Re:Dropwizard 0.8.0: Java framework for ops-friendly, high-p... by bni on Monday March 09, 2015 @06:55AM (#9170234)
As long as you dont change any method signatures, sure. I think its the JVM that provides this as part of its remote debugging functionality.

If you change any signatures (should be most of the time) you need Jrebel.