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我有一個應用部署在使用postgres的heroku上。該應用程序不穩定...有時會起作用,有時會導致自定義500頁錯誤。它給人的錯誤應用部署到heroku不穩定
代碼:
def login
session[:user_id] = nil
if request.post?
if @user = User.authenticate(params[:user][:userid], params[:user][:password])
session[:user_id] = @user.id
if @user.stores.length > 0
redirect_to(:controller => "admin", :action => "select_store")
else
redirect_to(:controller => "pages", :action => "mainpage")
end
else
flash.now[:notice] = "Invalid user/password combination"
end
end
end
我的模型看起來像:
def self.authenticate(userid, password)
user = self.find_by_userid_and_password(userid, password)
user
end
Heroku的日誌說:
ActiveRecord::StatementInvalid (PGError: ERROR: current transaction is aborted, commands ignored until end of transaction block
: SELECT * FROM "users" WHERE ("users"."userid" = E'sampleuser' AND "users"."password" = E'12345') LIMIT 1):
app/models/user.rb:7:in `authenticate'
app/controllers/admin_controller.rb:6:in `login'
,因爲它是一個間歇性錯誤,我不知道如何解決它。但是,有可能在頁面上顯示錯誤嗎?......是否有可能發現類似這樣的錯誤,然後繼續?這將是最好的解決辦法