parsedate followed by Time.gm(*res) throws ArrayIndexOutOfBoundsException (AIOOBE)

$ jirb
irb(main):001:0> require 'parsedate'
=> true
irb(main):002:0> res = ParseDate.parsedate('Tue Aug 28 00:37:29 2007 -0700')
=> [2007, 8, 28, 0, 37, 29, nil, 2]
irb(main):003:0> date = Time.gm(*res)
NativeException: java.lang.ArrayIndexOutOfBoundsException: 5
from RubyTime.java:704:in `org.jruby.RubyTime.createTime'
from RubyTime.java:607:in `org.jruby.RubyTime.new_utc'
from null:-1:in `org.jruby.RubyTimeInvokerSnew_utcxx1.call'
from FastInvocationCallback.java:49:in `org.jruby.runtime.callback.FastInvocationCallback.execute'
from SimpleCallbackMethod.java:81:in `org.jruby.internal.runtime.methods.SimpleCallbackMethod.call'
from EvaluationState.java:571:in `org.jruby.evaluator.EvaluationState.callNode'
from EvaluationState.java:207:in `org.jruby.evaluator.EvaluationState.evalInternal'
from EvaluationState.java:773:in `org.jruby.evaluator.EvaluationState.dAsgnNode'
from EvaluationState.java:227:in `org.jruby.evaluator.EvaluationState.evalInternal'
from EvaluationState.java:1611:in `org.jruby.evaluator.EvaluationState.rootNode'
from EvaluationState.java:356:in `org.jruby.evaluator.EvaluationState.evalInternal'
from EvaluationState.java:164:in `org.jruby.evaluator.EvaluationState.eval'
from RubyObject.java:899:in `org.jruby.RubyObject.evalWithBinding'
from RubyKernel.java:801:in `org.jruby.RubyKernel.eval'
from null:-1:in `org.jruby.RubyKernelInvokerSevalxx1.call'
from InvocationCallback.java:49:in `org.jruby.runtime.callback.InvocationCallback.execute'
... 103 levels...
from Ruby.java:322:in `org.jruby.Ruby.compileOrFallbackAndRun'
from Main.java:229:in `org.jruby.Main.runInterpreter'
from Main.java:174:in `org.jruby.Main.runInterpreter'
from Main.java:120:in `org.jruby.Main.run'
from Main.java:95:in `org.jruby.Main.main'
from /opt/jruby-1.0.1/lib/ruby/1.8/irb.rb:150:in `eval_input'
from /opt/jruby-1.0.1/lib/ruby/1.8/irb.rb:70:in `signal_status'
from /opt/jruby-1.0.1/lib/ruby/1.8/irb.rb:147:in `eval_input'
from /opt/jruby-1.0.1/lib/ruby/1.8/irb.rb:70:in `each_top_level_statement'
from /opt/jruby-1.0.1/lib/ruby/1.8/irb.rb:146:in `loop'
from /opt/jruby-1.0.1/lib/ruby/1.8/irb.rb:146:in `catch'
from /opt/jruby-1.0.1/lib/ruby/1.8/irb.rb:146:in `eval_input'
from /opt/jruby-1.0.1/lib/ruby/1.8/irb.rb:70:in `start'
from :1:in `catch'
from /opt/jruby-1.0.1/lib/ruby/1.8/irb.rb:69:in `start'
from :1irb(main):004:0> [nf151384@caffe ~]$