Omit "null" Exception message from error output

Question

Current:

user=> ((do nil)) Evaluation error at user/eval4 (NO_SOURCE_FILE:3). NullPointerException null

After patch:

user=> ((do nil)) Evaluation error at user/eval4 (NO_SOURCE_FILE:3). NullPointerException

Patch: 0001-CLJ-2420-ignore-null-Exception-message-v2.patch

Prescreened by: Alex Miller

Answer 1

Comment made by: alexmiller

I think you can remove the first change in the diff - if it's a CompilerException, the message will never be null.

Answer 2

Reference: https://clojure.atlassian.net/browse/CLJ-2402 (reported by bronsa)