JRuby returns different (or no) information from Exception#backtrace
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Key: JRUBY-1097
URL: http://jira.codehaus.org/browse/JRUBY-1097
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.0.0RC3
Environment: OS X 10.4.9, Java 1.5, 2007-06-03 rev 3812
Reporter: Daniel Berger
JRuby returns an empty array for backtrace information in jirb:
{noformat}
# MRI/irb
irb(main):001:0> begin; 1/0; rescue Exception => err; end
=> #<ZeroDivisionError: divided by 0>
irb(main):002:0> err.backtrace
=> ["(irb):1:in `/'", "(irb):1:in `irb_binding'",
"/usr/local/lib/ruby/1.8/irb/workspace.rb:52:in `irb_binding'",
"/usr/local/lib/ruby/1.8/irb/workspace.rb:52"]
# JRuby/jirb
irb(main):001:0> begin; 1/0; rescue Exception => err; end
=> #<ZeroDivisionError: divided by 0>
irb(main):002:0> err.backtrace
=> []
{noformat}
When I ran this program standalone, I got weird information back:
{noformat}
# Program
begin; 1/0; rescue Exception => err; end
p err.backtrace
# MRI results
["backtrace.rb:1:in `/'", "backtrace.rb:1"]
# JRuby results
[":-1"]
{noformat}
I could have sworn that JRuby returned the correct information at least once,
but now it always returns [":-1"]. Odd.
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