我想将博客标签存储和更新到 GAE 中的数据存储区。当我运行该代码时,我收到此错误:
javax.servlet.ServletContext log: Application Error
/base/data/home/apps/yet-another-problem/1.334886515480009498/WEB-INF/gems/gems/sinatra-0.9.2/lib/sinatra/base.rb:45:in `each': undefined method `bytesize' for #<Hash:0x86684c> (NoMethodError)
编码
class Labels
class LabelData
include Bumble
ds :blog_element_labels
end
def update
response = URLFetch.get($label_url)
result = response.to_s
result_headless = result.gsub("listLabels(",'')
pure_result = result_headless.gsub(");",'')
json_to_yaml = YAML::load(pure_result)['entry']['category']
json_to_yaml.each do |label|
@label = LabelData.find(:blog_element_labels => label['term'])
@label = LabelData.create(:blog_element_labels => label['term']) if @label.nil?
end
end
end
并由 cron 作业运行 '/job'
get '/job' do
@labels = Labels.new
@labels.update
end
哪里有问题?请教我。
但是第一次运行cron作业时,标签数据被存储了,甚至出现了这个错误。无法更新数据。