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$ ruby script/rails s thin An exception occurred running script/rails dlopen(/Users/test/.rvm/gems/rbx-1.0.1-20100603/gems/libxml-ruby-1.1.3/ext/libxml/libxml_ruby.bundle, 10): Symbol not found: _assert Referenced from: /Users/test/.rvm/gems/rbx-1.0.1-20100603/gems/libxml-ruby-1.1.3/ext/libxml/libxml_ruby.bundle Expected in: flat namespace in /Users/test/.rvm/gems/rbx-1.0.1-20100603/gems/libxml-ruby-1.1.3/ext/libxml/libxml_ruby.bundle; dlopen(/Users/test/.rvm/gems/rbx-1.0.1-20100603/gems/libxml-ruby-1.1.3/ext/libxml/libxml_ruby.dylib, 10): image not found (SystemCallError)

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