Is this all platforms and all versions? This sounds similar to http://bugs.jython.org/issue1957 (also see the linked issues in that report).
I created infinite loop in Jython REPL and there's no way how to interrupt it. I had to close the console window.
Does this works as designed? I think there should be a way for the user to interrupt the infinite loop by Ctrl+C, Ctrl+Z or something...
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