I am trying to debug logstash-2.2.2 in Eclipse, and I cannot figure out the version of JRuby that came with it. Does below output say 1.7.23, or 1.9.3? c:\workspace\logstash\vendor\jruby\bin>jruby.exe --version jruby 1.7.23 (1.9.3p551) 2015-11-24 f496dd5 on Java HotSpot(TM) 64-Bit Server VM 1.8.0_73-b02 +jit [Windows 7-amd64] I am getting compiler errors that may be caused by using JRuby 1.7, but adding -Xcompat.version=1.9 did not work.
on 2016-03-08 19:52
on 2016-03-15 11:39
JRuby displays two version numbers. The first shows the JRuby version itself. The second shows the corresponding MRI Ruby version it is based on (i.e. the implemented language).