FileUtils.cp failed if file source is too big (>= 1GB)
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                 Key: JRUBY-4913
                 URL: http://jira.codehaus.org/browse/JRUBY-4913
             Project: JRuby
          Issue Type: Bug
    Affects Versions: JRuby 1.5.1, JRuby 1.5
         Environment: Windows 2000/ Server 2003
            Reporter: Yohan BARUKH
            Assignee: Thomas E Enebo


irb(main):002:0> FileUtils.cp 'BIG_FILE.LOG', 'c:/test.log'
IOError: Map failed
        from C:/jruby-1.5.0/lib/ruby/1.9/fileutils.rb:1265:in `copy_file'
        from C:/jruby-1.5.0/lib/ruby/1.9/fileutils.rb:1264:in `open'
        from C:/jruby-1.5.0/lib/ruby/1.9/fileutils.rb:1264:in `copy_file'
        from C:/jruby-1.5.0/lib/ruby/1.9/fileutils.rb:471:in `copy_file'
        from C:/jruby-1.5.0/lib/ruby/1.9/fileutils.rb:392:in `cp'
        from C:/jruby-1.5.0/lib/ruby/1.9/fileutils.rb:1397:in `fu_each_src_dest'
        from C:/jruby-1.5.0/lib/ruby/1.9/fileutils.rb:1413:in 
`fu_each_src_dest0'
        from C:/jruby-1.5.0/lib/ruby/1.9/fileutils.rb:1395:in `fu_each_src_dest'
        from C:/jruby-1.5.0/lib/ruby/1.9/fileutils.rb:391:in `cp'
        from (irb):2

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