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Null pointer exception with XML builder #1039

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pareeohnos opened this issue Jan 31, 2014 · 9 comments
Closed

Null pointer exception with XML builder #1039

pareeohnos opened this issue Jan 31, 2014 · 9 comments
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platform/jruby

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@pareeohnos
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I'm trying to create an app that connects with an exchange server using EWS, and using the library ViewPoint for handling this.

Previously I was writing the app in MRI ruby, but we've now switched over to jRuby, and I've now noticed that it has completely broken the exchange interface code. I know the code works, and the ViewPoint library hasn't been updated at any point, but I'm not sure whether the bug lies in their code, or nokogiri, but essentially when I attempt to request data from the server, I receive the following stack trace (sorry about the size)

    java.lang.NullPointerException
    at nokogiri.internals.NokogiriNamespaceCache.hashCode(NokogiriNamespaceCache.java:67)
    at nokogiri.internals.NokogiriNamespaceCache.put(NokogiriNamespaceCache.java:114)
    at nokogiri.XmlNamespace.createFromPrefixAndHref(XmlNamespace.java:156)
    at nokogiri.XmlNode.add_namespace_definition(XmlNode.java:592)
    at nokogiri.XmlNode$INVOKER$i$2$0$add_namespace_definition.call(XmlNode$INVOKER$i$2$0$add_namespace_definition.gen)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:202)
    at org.jruby.ast.FCallTwoArgNode.interpret(FCallTwoArgNode.java:38)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
    at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:182)
    at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:198)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:326)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:170)
    at org.jruby.ast.AttrAssignOneArgNode.interpret(AttrAssignOneArgNode.java:39)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112)
    at org.jruby.runtime.Interpreted19Block.evalBlockBody(Interpreted19Block.java:206)
    at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:194)
    at org.jruby.runtime.Interpreted19Block.call(Interpreted19Block.java:125)
    at org.jruby.runtime.Block.call(Block.java:101)
    at org.jruby.RubyProc.call(RubyProc.java:290)
    at org.jruby.RubyProc.call19(RubyProc.java:271)
    at org.jruby.RubyProc$INVOKER$i$0$0$call19.call(RubyProc$INVOKER$i$0$0$call19.gen)
    at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:210)
    at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:206)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:168)
    at rubyjit.Nokogiri::XML::Builder$$insert_DECDE5971FAA4E7858D034F538068C4EFAB8693F1002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb:391)
    at rubyjit.Nokogiri::XML::Builder$$insert_DECDE5971FAA4E7858D034F538068C4EFAB8693F1002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb)
    at org.jruby.internal.runtime.methods.JittedMethod.call(JittedMethod.java:201)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:177)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:183)
    at rubyjit.Nokogiri::XML::Builder$$method_missing_51BB9064EFCCB584335D85E24C201D6D960954721002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb:375)
    at rubyjit.Nokogiri::XML::Builder$$method_missing_51BB9064EFCCB584335D85E24C201D6D960954721002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb)
    at org.jruby.internal.runtime.methods.JittedMethod.call(JittedMethod.java:101)
    at org.jruby.runtime.Helpers$MethodMissingMethod.call(Helpers.java:447)
    at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:202)
    at org.jruby.runtime.callsite.CachingCallSite.callMethodMissing(CachingCallSite.java:397)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:313)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:145)
    at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:154)
    at org.jruby.ast.CallNoArgBlockNode.interpret(CallNoArgBlockNode.java:64)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
    at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:182)
    at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:198)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:168)
    at org.jruby.ast.CallOneArgNode.interpret(CallOneArgNode.java:57)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112)
    at org.jruby.runtime.Interpreted19Block.evalBlockBody(Interpreted19Block.java:206)
    at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:194)
    at org.jruby.runtime.Interpreted19Block.call(Interpreted19Block.java:125)
    at org.jruby.runtime.Block.call(Block.java:101)
    at org.jruby.RubyProc.call(RubyProc.java:290)
    at org.jruby.RubyProc.call19(RubyProc.java:271)
    at org.jruby.RubyProc$INVOKER$i$0$0$call19.call(RubyProc$INVOKER$i$0$0$call19.gen)
    at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:210)
    at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:206)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:168)
    at rubyjit.Nokogiri::XML::Builder$$insert_DECDE5971FAA4E7858D034F538068C4EFAB8693F1002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb:391)
    at rubyjit.Nokogiri::XML::Builder$$insert_DECDE5971FAA4E7858D034F538068C4EFAB8693F1002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb)
    at org.jruby.internal.runtime.methods.JittedMethod.call(JittedMethod.java:201)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:177)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:183)
    at rubyjit.Nokogiri::XML::Builder$$method_missing_51BB9064EFCCB584335D85E24C201D6D960954721002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb:375)
    at rubyjit.Nokogiri::XML::Builder$$method_missing_51BB9064EFCCB584335D85E24C201D6D960954721002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb)
    at org.jruby.internal.runtime.methods.JittedMethod.call(JittedMethod.java:101)
    at org.jruby.runtime.Helpers$MethodMissingMethod.call(Helpers.java:447)
    at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:210)
    at org.jruby.runtime.callsite.CachingCallSite.callMethodMissing(CachingCallSite.java:409)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:333)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:179)
    at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:188)
    at org.jruby.ast.CallOneArgBlockNode.interpret(CallOneArgBlockNode.java:60)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.IfNode.interpret(IfNode.java:118)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112)
    at org.jruby.runtime.Interpreted19Block.evalBlockBody(Interpreted19Block.java:206)
    at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:194)
    at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:177)
    at org.jruby.runtime.Interpreted19Block.yieldSpecific(Interpreted19Block.java:140)
    at org.jruby.runtime.Block.yieldSpecific(Block.java:129)
    at org.jruby.ast.YieldTwoNode.interpret(YieldTwoNode.java:31)
    at org.jruby.ast.IfNode.interpret(IfNode.java:116)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112)
    at org.jruby.runtime.Interpreted19Block.evalBlockBody(Interpreted19Block.java:206)
    at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:194)
    at org.jruby.runtime.Interpreted19Block.call(Interpreted19Block.java:125)
    at org.jruby.runtime.Block.call(Block.java:101)
    at org.jruby.RubyProc.call(RubyProc.java:290)
    at org.jruby.RubyProc.call19(RubyProc.java:271)
    at org.jruby.RubyProc$INVOKER$i$0$0$call19.call(RubyProc$INVOKER$i$0$0$call19.gen)
    at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:210)
    at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:206)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:168)
    at rubyjit.Nokogiri::XML::Builder$$insert_DECDE5971FAA4E7858D034F538068C4EFAB8693F1002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb:391)
    at rubyjit.Nokogiri::XML::Builder$$insert_DECDE5971FAA4E7858D034F538068C4EFAB8693F1002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb)
    at org.jruby.internal.runtime.methods.JittedMethod.call(JittedMethod.java:201)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:177)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:183)
    at rubyjit.Nokogiri::XML::Builder$$method_missing_51BB9064EFCCB584335D85E24C201D6D960954721002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb:375)
    at rubyjit.Nokogiri::XML::Builder$$method_missing_51BB9064EFCCB584335D85E24C201D6D960954721002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb)
    at org.jruby.internal.runtime.methods.JittedMethod.call(JittedMethod.java:101)
    at org.jruby.runtime.Helpers$MethodMissingMethod.call(Helpers.java:447)
    at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:202)
    at org.jruby.runtime.callsite.CachingCallSite.callMethodMissing(CachingCallSite.java:397)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:313)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:145)
    at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:154)
    at org.jruby.ast.CallNoArgBlockNode.interpret(CallNoArgBlockNode.java:64)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112)
    at org.jruby.runtime.Interpreted19Block.evalBlockBody(Interpreted19Block.java:206)
    at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:194)
    at org.jruby.runtime.Interpreted19Block.call(Interpreted19Block.java:125)
    at org.jruby.runtime.Block.call(Block.java:101)
    at org.jruby.RubyProc.call(RubyProc.java:290)
    at org.jruby.RubyProc.call19(RubyProc.java:271)
    at org.jruby.RubyProc$INVOKER$i$0$0$call19.call(RubyProc$INVOKER$i$0$0$call19.gen)
    at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:210)
    at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:206)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:168)
    at rubyjit.Nokogiri::XML::Builder$$insert_DECDE5971FAA4E7858D034F538068C4EFAB8693F1002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb:391)
    at rubyjit.Nokogiri::XML::Builder$$insert_DECDE5971FAA4E7858D034F538068C4EFAB8693F1002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb)
    at org.jruby.internal.runtime.methods.JittedMethod.call(JittedMethod.java:201)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:177)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:183)
    at rubyjit.Nokogiri::XML::Builder$$method_missing_51BB9064EFCCB584335D85E24C201D6D960954721002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb:375)
    at rubyjit.Nokogiri::XML::Builder$$method_missing_51BB9064EFCCB584335D85E24C201D6D960954721002144240.__file__(/Users/adrianh/.rvm/gems/jruby-1.7.10/gems/nokogiri-1.6.1-java/lib/nokogiri/xml/builder.rb)
    at org.jruby.internal.runtime.methods.JittedMethod.call(JittedMethod.java:101)
    at org.jruby.runtime.Helpers$MethodMissingMethod.call(Helpers.java:447)
    at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:210)
    at org.jruby.runtime.callsite.CachingCallSite.callMethodMissing(CachingCallSite.java:409)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:333)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:179)
    at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:188)
    at org.jruby.ast.CallOneArgBlockNode.interpret(CallOneArgBlockNode.java:60)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
    at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:204)
    at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:206)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:177)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:183)
    at org.jruby.ast.CallOneArgBlockPassNode.interpret(CallOneArgBlockPassNode.java:60)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
    at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:161)
    at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:190)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:143)
    at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:154)
    at org.jruby.ast.FCallNoArgBlockNode.interpret(FCallNoArgBlockNode.java:32)
    at org.jruby.ast.LocalAsgnNode.interpret(LocalAsgnNode.java:123)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
    at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:182)
    at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:198)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:168)
    at org.jruby.ast.CallOneArgNode.interpret(CallOneArgNode.java:57)
    at org.jruby.ast.LocalAsgnNode.interpret(LocalAsgnNode.java:123)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
    at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:204)
    at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:206)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:177)
    at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:188)
    at org.jruby.ast.FCallOneArgBlockNode.interpret(FCallOneArgBlockNode.java:34)
    at org.jruby.ast.CallNoArgNode.interpret(CallNoArgNode.java:60)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
    at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:182)
    at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:198)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:326)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:170)
    at org.jruby.ast.CallOneArgNode.interpret(CallOneArgNode.java:57)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.RootNode.interpret(RootNode.java:129)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_EVAL(ASTInterpreter.java:95)
    at org.jruby.evaluator.ASTInterpreter.evalWithBinding(ASTInterpreter.java:184)
    at org.jruby.RubyKernel.evalCommon(RubyKernel.java:1156)
    at org.jruby.RubyKernel.eval19(RubyKernel.java:1119)
    at org.jruby.RubyKernel$INVOKER$s$0$3$eval19.call(RubyKernel$INVOKER$s$0$3$eval19.gen)
    at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:180)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:70)
    at rubyjit.IRB::WorkSpace$$evaluate_73F7B7512EA0512CE26D76ABBFF11BBFE5DAA7911002144240.__file__(/Users/adrianh/.rvm/rubies/jruby-1.7.10/lib/ruby/1.9/irb/workspace.rb:80)
    at rubyjit.IRB::WorkSpace$$evaluate_73F7B7512EA0512CE26D76ABBFF11BBFE5DAA7911002144240.__file__(/Users/adrianh/.rvm/rubies/jruby-1.7.10/lib/ruby/1.9/irb/workspace.rb)
    at org.jruby.internal.runtime.methods.JittedMethod.call(JittedMethod.java:121)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:70)
    at org.jruby.ast.CallManyArgsNode.interpret(CallManyArgsNode.java:59)
    at org.jruby.ast.FCallOneArgNode.interpret(FCallOneArgNode.java:36)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
    at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:225)
    at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:214)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:202)
    at org.jruby.ast.CallTwoArgNode.interpret(CallTwoArgNode.java:59)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.ast.RescueNode.executeBody(RescueNode.java:221)
    at org.jruby.ast.RescueNode.interpret(RescueNode.java:116)
    at org.jruby.ast.BeginNode.interpret(BeginNode.java:83)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112)
    at org.jruby.runtime.Interpreted19Block.evalBlockBody(Interpreted19Block.java:206)
    at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:157)
    at org.jruby.runtime.Interpreted19Block.yieldSpecific(Interpreted19Block.java:130)
    at org.jruby.runtime.Block.yieldSpecific(Block.java:111)
    at rubyjit.IRB::Irb$$signal_status_C98378E2B3B952E4E56C57D822CCAD331005AB321002144240.chained_0_ensure_1$RUBY$__ensure__(/Users/adrianh/.rvm/rubies/jruby-1.7.10/lib/ruby/1.9/irb.rb:273)
    at rubyjit.IRB::Irb$$signal_status_C98378E2B3B952E4E56C57D822CCAD331005AB321002144240.__file__(/Users/adrianh/.rvm/rubies/jruby-1.7.10/lib/ruby/1.9/irb.rb:272)
    at rubyjit.IRB::Irb$$signal_status_C98378E2B3B952E4E56C57D822CCAD331005AB321002144240.__file__(/Users/adrianh/.rvm/rubies/jruby-1.7.10/lib/ruby/1.9/irb.rb)
    at org.jruby.internal.runtime.methods.JittedMethod.call(JittedMethod.java:201)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:177)
    at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:188)
    at org.jruby.ast.FCallOneArgBlockNode.interpret(FCallOneArgBlockNode.java:34)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112)
    at org.jruby.runtime.Interpreted19Block.evalBlockBody(Interpreted19Block.java:206)
    at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:194)
    at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:177)
    at org.jruby.runtime.Interpreted19Block.yieldSpecific(Interpreted19Block.java:140)
    at org.jruby.runtime.Block.yieldSpecific(Block.java:129)
    at org.jruby.ast.YieldTwoNode.interpret(YieldTwoNode.java:31)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.ast.IfNode.interpret(IfNode.java:116)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.ast.RescueNode.executeBody(RescueNode.java:221)
    at org.jruby.ast.RescueNode.interpret(RescueNode.java:116)
    at org.jruby.ast.BeginNode.interpret(BeginNode.java:83)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112)
    at org.jruby.runtime.Interpreted19Block.evalBlockBody(Interpreted19Block.java:206)
    at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:157)
    at org.jruby.runtime.Interpreted19Block.yieldSpecific(Interpreted19Block.java:130)
    at org.jruby.runtime.Block.yieldSpecific(Block.java:111)
    at org.jruby.RubyKernel.loop(RubyKernel.java:1519)
    at org.jruby.RubyKernel$INVOKER$s$0$0$loop.call(RubyKernel$INVOKER$s$0$0$loop.gen)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:316)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:145)
    at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:154)
    at org.jruby.ast.FCallNoArgBlockNode.interpret(FCallNoArgBlockNode.java:32)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112)
    at org.jruby.runtime.Interpreted19Block.evalBlockBody(Interpreted19Block.java:206)
    at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:157)
    at org.jruby.runtime.Block.yield(Block.java:142)
    at org.jruby.RubyContinuation.enter(RubyContinuation.java:107)
    at org.jruby.RubyKernel.rbCatch19Common(RubyKernel.java:1289)
    at org.jruby.RubyKernel.rbCatch19(RubyKernel.java:1282)
    at org.jruby.RubyKernel$INVOKER$s$rbCatch19.call(RubyKernel$INVOKER$s$rbCatch19.gen)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:336)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:179)
    at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:188)
    at org.jruby.ast.FCallOneArgBlockNode.interpret(FCallOneArgBlockNode.java:34)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
    at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:161)
    at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:190)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:316)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:145)
    at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:154)
    at org.jruby.ast.CallNoArgBlockNode.interpret(CallNoArgBlockNode.java:64)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
    at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:139)
    at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:182)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:306)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:136)
    at org.jruby.ast.CallNoArgNode.interpret(CallNoArgNode.java:60)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:112)
    at org.jruby.runtime.Interpreted19Block.evalBlockBody(Interpreted19Block.java:206)
    at org.jruby.runtime.Interpreted19Block.yield(Interpreted19Block.java:157)
    at org.jruby.runtime.Block.yield(Block.java:142)
    at org.jruby.RubyContinuation.enter(RubyContinuation.java:107)
    at org.jruby.RubyKernel.rbCatch19Common(RubyKernel.java:1289)
    at org.jruby.RubyKernel.rbCatch19(RubyKernel.java:1282)
    at org.jruby.RubyKernel$INVOKER$s$rbCatch19.call(RubyKernel$INVOKER$s$rbCatch19.gen)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:336)
    at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:179)
    at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:188)
    at org.jruby.ast.FCallOneArgBlockNode.interpret(FCallOneArgBlockNode.java:34)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.EnsureNode.interpret(EnsureNode.java:96)
    at org.jruby.ast.BeginNode.interpret(BeginNode.java:83)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
    at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:139)
    at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:182)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:306)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:136)
    at org.jruby.ast.CallNoArgNode.interpret(CallNoArgNode.java:60)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
    at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:139)
    at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:182)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:306)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:136)
    at org.jruby.ast.CallNoArgNode.interpret(CallNoArgNode.java:60)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)
    at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:225)
    at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:214)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:346)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:204)
    at org.jruby.ast.CallTwoArgNode.interpret(CallTwoArgNode.java:59)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.ast.WhenOneArgNode.whenSlowTest(WhenOneArgNode.java:36)
    at org.jruby.ast.WhenOneArgNode.when(WhenOneArgNode.java:46)
    at org.jruby.ast.CaseNode.interpret(CaseNode.java:132)
    at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:105)
    at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)
    at org.jruby.ast.RootNode.interpret(RootNode.java:129)
    at org.jruby.evaluator.ASTInterpreter.INTERPRET_ROOT(ASTInterpreter.java:121)
    at org.jruby.Ruby.runInterpreter(Ruby.java:838)
    at org.jruby.Ruby.loadFile(Ruby.java:2750)
    at org.jruby.runtime.load.ExternalScript.load(ExternalScript.java:66)
    at org.jruby.runtime.load.LoadService.tryLoadingLibraryOrScript(LoadService.java:959)
    at org.jruby.runtime.load.LoadService.smartLoadInternal(LoadService.java:573)
    at org.jruby.runtime.load.LoadService.requireCommon(LoadService.java:457)
    at org.jruby.runtime.load.LoadService.require(LoadService.java:421)
    at org.jruby.RubyKernel.requireCommon(RubyKernel.java:1089)
    at org.jruby.RubyKernel.require19(RubyKernel.java:1083)
    at org.jruby.RubyKernel$INVOKER$s$1$0$require19.call(RubyKernel$INVOKER$s$1$0$require19.gen)
    at org.jruby.internal.runtime.methods.JavaMethod$JavaMethodOneOrNBlock.call(JavaMethod.java:350)
    at org.jruby.internal.runtime.methods.AliasMethod.call(AliasMethod.java:61)
    at org.jruby.internal.runtime.methods.AliasMethod.call(AliasMethod.java:61)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:326)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:170)
    at bin.rails.__file__(bin/rails:4)
    at bin.rails.load(bin/rails)
    at org.jruby.Ruby.runScript(Ruby.java:811)
    at org.jruby.Ruby.runScript(Ruby.java:804)
    at org.jruby.Ruby.runNormally(Ruby.java:673)
    at org.jruby.Ruby.runFromMain(Ruby.java:522)
    at org.jruby.Main.doRunFromMain(Main.java:395)
    at org.jruby.Main.internalRun(Main.java:290)
    at org.jruby.Main.run(Main.java:217)
    at org.jruby.Main.main(Main.java:197)

I'm using jRuby 1.7.10 but I've also tested it on an older version of jRuby (1.7.5) in case it broke between versions, but that is still broken.

My assumption is it's a break within nokogiri as the stack trace does not have any reference to either my code, or the ViewPoint code, but I can't be sure.
@jvshahid
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jvshahid commented Feb 1, 2014

This seems to be a behavior triggered by the xml document that you're trying to parse. Is it possible to paste a minimal xml document that reproduces this behavior ?

@pareeohnos
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hmm not easily. I'm not providing the XML. The XML is generated by the ViewPoint library as a soap request object, so I don't know what XML is being produced

@pareeohnos
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So I've done some more digging, it seems that the nullpointerexpection that I'm getting is coming from this bit of code

builder.FindFolder(:Traversal => opts[:traversal].to_s.camel_case) {
        builder.parent.default_namespace = @default_ns
        ....
}

In particular, the error is coming from the setting of the default namespace. If i remove that line then the error goes away (except that a new error appears after but I'm hoping that it's related to this)

The @default_ns variable is set to "http://schemas.microsoft.com/exchange/services/2006/messages"

@pareeohnos
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Another update. I've managed to work around this now, as it seemed to primary be issues with the library I was using, however I'm still confused why it stopped working with the update to JRuby. The main issue was due to the library I'm using not having the @default_ns variable set for the one class, which it did when using mri ruby, so that is unusual but that's an issue with the library, not Nokogiri.

Where I'm not sure about however, is in the namespace setting. The library I'm using starts building with the following

builder.Envelope(NAMESPACES) do |node|
    node.parent.namespace = node.parent.namespace_definitions.find {|ns| ns.prefix == NS_SOAP}
    node.Header {
        ....
    }
    node.Body {
        ....
    }
end
builder.doc

Previously on mri ruby, this had no issues, but after solving the first problem, this code then had an issue that the header and body tags did not have a namespace prefix.

Is this an issue with the Java implementation that the namespace must be explicitly defined, or is this something else? I've currently monkey patched it to the following which seems to now be working

builder.Envelope(NAMESPACES) do |node|
    ns = node.parent.namespace_definitions.find {|ns| ns.prefix == NS_SOAP}
    node.parent.namespace = ns
    node[ns.prefix].Header {
        ....
    }
    node[ns.prefix].Body {
        ....
    }
end
builder.doc

Is this the correct way of doing things or is this still likely to have issues?

@jvshahid
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I had a fix for the null pointer exception on the https://github.com/sparklemotion/nokogiri/tree/fix-1039 branch. This fixes the null pointer exception, but I looked at the two docs generated by JRuby and MRI and there are slight differences in the namespaces that I'd like to write tests for and fix before merging this branch.

@pareeohnos
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Ah great! I'll keep my patch in for now and then hopefully this will fix the issues I was having completely :)

@flavorjones
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@pareeohnos Is this still happening for you? Without a test to reproduce your issue, I can't be sure that @jvshahid's fix actually works.

@flavorjones
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I've rebased @jvshahid's change onto master and pushed it. Will be in the next version, I hope it fixes your issue!

@pareeohnos
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Thanks for the update @flavorjones
I can't really comment on if it's fixed however. I'm no longer working at the same place so don't have access to the code that was causing the issue so will assume it's resolved :) If I or anyone else runs into the issue later I'm sure this could be reopened.

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