我从 git 运行了这个例子：https://github.com/andreasronge/neo4j
require "rubygems"
require 'neo4j'
Neo4j::Transaction.run do
node = Neo4j::Node.new(:name => 'andreas')
node.outgoing(:friends) << Neo4j::Node.new(:name => 'peter')
node.outgoing(:friends).each {|node| puts "name #{node[:name]}"}
end
它输出了错误：
NameError: uninitialized constant Neo4j
const_missing at org/jruby/RubyModule.java:2626
(root) at ./neo4j.rb:4
require at org/jruby/RubyKernel.java:1027
require at ./neo4j.rb:36
(root) at /Users/ZATLUKE/RubymineProjects/nokogiri/neo4j.rb:2
load at org/jruby/RubyKernel.java:1052
(root) at -e:1
有任何想法吗？
None
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