ConcurrencyError from Array#choice when the Array was truncated before
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Key: JRUBY-5787
URL: http://jira.codehaus.org/browse/JRUBY-5787
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.6.1
Environment: jruby 1.6.1 (ruby-1.8.7-p330) (2011-04-12 85838f6)
(OpenJDK 64-Bit Server VM 1.6.0_22) [linux-amd64-java]
Reporter: Hiroshi Nakamura
Assignee: Hiroshi Nakamura
{noformat}
% ruby187 -e 'a = [1,2,3,4,5]; a.shift(4); p a.choice'
5
% jruby161 -e 'a = [1,2,3,4,5]; a.shift(4); p a.choice'
ConcurrencyError: Detected invalid array contents due to unsynchronized
modifications with concurrent users
choice at org/jruby/RubyArray.java:3641
(root) at -e:1
zsh: exit 1 /home/nahi/java/jruby-1.6.1/bin/jruby -e
{noformat}
master branch is already fixed by merging MersenneTwister. master 8c6dba]
1.6.1 needs a fix.
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