to_xml总是抛出错误

我已经粘贴下面的例子，但调用to_xml上任何模型抛出这个错误。我已经尝试了一切，但我是之前有人会看到的那种东西。它是否为任何人敲响了任何铃声？

1.8.7 :004 > Person.first.to_xml 
    Person Load (2.0ms) SELECT `people`.* FROM `people` LIMIT 1 
ArgumentError: wrong number of arguments (1 for 0) 
    from /home/khughes/.rvm/gems/[email protected]/gems/builder-3.0.0/lib/builder/xmlbase.rb:135:in `to_xs' 
    from /home/khughes/.rvm/gems/[email protected]/gems/builder-3.0.0/lib/builder/xmlbase.rb:135:in `_escape' 
    from /home/khughes/.rvm/gems/[email protected]/gems/builder-3.0.0/lib/builder/xmlbase.rb:140:in `_escape_quote' 
    from /home/khughes/.rvm/gems/[email protected]/gems/builder-3.0.0/lib/builder/xmlmarkup.rb:320:in `_attr_value' 
    from /home/khughes/.rvm/gems/[email protected]/gems/builder-3.0.0/lib/builder/xmlmarkup.rb:308:in `_insert_attributes' 
    from /home/khughes/.rvm/gems/[email protected]/gems/builder-3.0.0/lib/builder/xmlmarkup.rb:306:in `each' 
    from /home/khughes/.rvm/gems/[email protected]/gems/builder-3.0.0/lib/builder/xmlmarkup.rb:306:in `_insert_attributes' 
    from /home/khughes/.rvm/gems/[email protected]/gems/builder-3.0.0/lib/builder/xmlmarkup.rb:284:in `_special' 
    from /home/khughes/.rvm/gems/[email protected]/gems/builder-3.0.0/lib/builder/xmlmarkup.rb:250:in `instruct!' 
    from /home/khughes/.rvm/gems/[email protected]/gems/activemodel-3.1.1/lib/active_model/serializers/xml.rb:93:in `serialize' 
    from /home/khughes/.rvm/gems/[email protected]/gems/activerecord-3.1.1/lib/active_record/serializers/xml_serializer.rb:175:in `to_xml' 
    from (irb):4

来源

2012-03-02 Kevin Hughes

前段时间有同样的问题，您是否将hpricot gem捆绑到项目中？如果是的话，尝试从Gemfile中删除，运行bundle并检查是否to_xml工作

还有为我工作的解决方案： https://github.com/hpricot/hpricot/issues/53（见smeevil的帖子）

来源

2012-03-02 10:34:26

这就是它！谢谢，我不认为我会记录下来。 – 2012-03-02 10:38:18

to_xml总是抛出错误

回答

相关问题