gistfile1.txt

Caused by: java.lang.NoSuchMethodError: org.jruby.util.ByteList.fill(II)V
        at org.jruby.util.Sprintf.rubySprintfToBuffer(Sprintf.java:458)
        at org.jruby.util.Sprintf.rubySprintfToBuffer(Sprintf.java:210)
        at org.jruby.util.Sprintf.sprintf(Sprintf.java:184)
        at org.jruby.RubyString.opFormatCommon(RubyString.java:988)
        at org.jruby.RubyString.op_format(RubyString.java:975)
        at org.jruby.RubyString$i_method_1_0$RUBYINVOKER$op_format.call(org/jruby/RubyString$i_method_1_0$RUBYINVOKER$op_format.gen)
        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:310)
        at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:149)
        at org.jruby.ast.CallOneArgNode.interpret(CallOneArgNode.java:57)
        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)
        at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
        at org.jruby.ast.BeginNode.interpret(BeginNode.java:83)
        at org.jruby.ast.InstAsgnNode.interpret(InstAsgnNode.java:95)
        at org.jruby.ast.OpAsgnOrNode.interpret(OpAsgnOrNode.java:105)
        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)
        at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:136)
        at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:153)
        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:290)
        at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:109)
        at org.jruby.ast.VCallNode.interpret(VCallNode.java:85)