[jruby] Warnings

Keith Bennett keithrbennett at gmail.com
Thu Feb 21 11:10:01 JST 2019


Whenever I run JRuby, I get these warnings:

➜  2019   time jruby --dev -e 1
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.jruby.util.SecurityHelper to
field java.lang.reflect.Field.modifiers
WARNING: Please consider reporting this to the maintainers of
org.jruby.util.SecurityHelper
WARNING: Use --illegal-access=warn to enable warnings of further illegal
reflective access operations
WARNING: All illegal access operations will be denied in a future release
jruby --dev -e 1  3.09s user 0.32s system 161% cpu 2.105 total

I'm running the following version, using rvm, on a Mac:

➜  2019   jruby -v
jruby 9.2.5.0 (2.5.0) 2018-12-06 6d5a228 OpenJDK 64-Bit Server VM 11.0.1+13
on 11.0.1+13 +jit [darwin-x86_64]

Anyone know what's up with this?

- Keith
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