Kernel.trap does not work on MacOS X Lion
-----------------------------------------
Key: JRUBY-6012
URL: https://jira.codehaus.org/browse/JRUBY-6012
Project: JRuby
Issue Type: Bug
Affects Versions: JRuby 1.6.3, JRuby 1.6.2
Environment: MacOS X Lion 10.7.1
rvm 1.7.2
JRuby 1.6.3
Java(TM) SE Runtime Environment (build 1.6.0_26-b03)
Reporter: Sergey Kuznetsov
Assignee: Thomas E Enebo
I have found a strange behavior when trying to restart rails app. Webrick shows
me that default port 3000 is already binded, to restart I need to "ps ax | grep
java" and kill -9 this process.
After some googling and researching I have found that JRuby doesn't properly
work with Kernel.trap method on my laptop (Mac OS X Lion 10.7.1, rvm 1.7.2,
jruby 1.6.3, Java(TM) SE Runtime Environment (build 1.6.0_26-b03-383-11A511c).
Here is some ruby code to test described behavior (some.rb):
Kernel.trap(:INT) { puts "interrupted = true"; exit }
loop do
puts ". "
sleep 1
end
And here is steps to reproduce:
$ rvm use ree
Using /Users/cr0t/.rvm/gems/ree-1.8.7-2011.03
$ ruby some.rb
.
.
^Cinterrupted = true
We can see that block given to the trap method is executed successfully
("interrupted = true" printed out before exiting), so next we will try to run
code above via JRuby interpreter.
$ rvm use jruby
Using /Users/cr0t/.rvm/gems/jruby-1.6.3
$ ruby some.rb
.
.
^C
$ rvm version
rvm 1.7.2 by Wayne E. Seguin ([email protected])
[https://rvm.beginrescueend.com/]
Could anyone help to fix this issue (it's really annoying when working with
rails)? Or anyone who can reproduce such behavior?
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