mutex.synchronize does not work with jruby-1.6.1
------------------------------------------------
Key: JRUBY-5797
URL: http://jira.codehaus.org/browse/JRUBY-5797
Project: JRuby
Issue Type: Bug
Affects Versions: JRuby 1.6.1
Environment: jruby 1.6.1 (ruby-1.8.7-p330) (2011-04-12 85838f6) (Java
HotSpot(TM) 64-Bit Server VM 1.6.0_23) [Windows Server 2008 R2-amd64-java]
Reporter: ZD Yu
Assignee: Thomas E Enebo
Code
===============
thread_pool = Array.new(2) {
Thread.new {
mutex = Mutex.new
mutex.synchronize {
}
}
}
problem
=============
the code above worked with 'jruby --1.8' but failed with 'jruby --1.9'.
the weird thing is that this problem only happens on Windows 2008 R2. On
Windows 7 (with the exactly same JVM), it works well.
error message
==============
Exception in thread "RubyThread-1: jruby-19-bug.rb:1" java.lang.LinkageError:
loader (instance of org/jruby/util/JRubyClassLoader): attempted duplicate
class definition for name: "jruby_minus_19_minus_bug$block_2$RUBY$__file__"
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
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