PG :: UndefinedTable：错误：关系“services”不存在LINE 1：SELECT“services”。* FROM“services”

使用when gem时遇到了一些麻烦。我创造当我启动它自己这是工作完全正常rake任务，但是当我试图把它与每当我在我的日志中看到以下消息自动化：PG :: UndefinedTable：错误：关系“services”不存在LINE 1：SELECT“services”。* FROM“services”

ActiveRecord::StatementInvalid: PG::UndefinedTable: ERROR: relation "services" does not exist 
LINE 1: SELECT "services".* FROM "services" 
           ^
: SELECT "services".* FROM "services" 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/connection_adapters/postgresql_adapter.rb:598:in `async_exec' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/connection_adapters/postgresql_adapter.rb:598:in `block in exec_no_cache' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/connection_adapters/abstract_adapter.rb:590:in `block in log' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activesupport-5.0.6/lib/active_support/notifications/instrumenter.rb:21:in `instrument' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/connection_adapters/abstract_adapter.rb:583:in `log' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/connection_adapters/postgresql_adapter.rb:598:in `exec_no_cache' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/connection_adapters/postgresql_adapter.rb:585:in `execute_and_clear' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/connection_adapters/postgresql/database_statements.rb:103:in `exec_query' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/connection_adapters/abstract/database_statements.rb:377:in `select_prepared' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/connection_adapters/abstract/database_statements.rb:39:in `select_all' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/connection_adapters/abstract/query_cache.rb:95:in `select_all' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/querying.rb:39:in `find_by_sql' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/relation.rb:706:in `exec_queries' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/relation.rb:583:in `load' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/relation.rb:260:in `records' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/activerecord-5.0.6/lib/active_record/relation/delegation.rb:38:in `each' 
/Users/Naekh/code/yoando/statuschecker/statuschecker/lib/tasks/fb_ping.rake:5:in `block (2 levels) in <top (required)>' 
/Users/Naekh/code/yoando/statuschecker/statuschecker/lib/tasks/rake_them_all.rake:4:in `block (2 levels) in <top (required)>' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/gems/rake-12.1.0/exe/rake:27:in `<top (required)>' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/bin/ruby_executable_hooks:15:in `eval' 
/Users/Naekh/.rvm/gems/ruby-2.4.1/bin/ruby_executable_hooks:15:in `<main>'

这是一个命名的问题？我检查并仔细检查，但是我错过了什么？

我的环境是发展。

这里是我的schedule.rb：

set :output, {:error => "log/cron_error_log.log", :standard => "log/cron_log.log"} 
every 2.minutes do 
    rake 'check:all', :environment => 'development' 
end

和我的架构：

ActiveRecord::Schema.define(version: 20170922073721) do 

    enable_extension "plpgsql" 

    create_table "pings", force: :cascade do |t| 
    t.boolean "up" 
    t.integer "service_id" 
    t.datetime "created_at", null: false 
    t.datetime "updated_at", null: false 
    t.index ["service_id"], name: "index_pings_on_service_id", using: :btree 
    end 

    create_table "services", force: :cascade do |t| 
    t.string "name" 
    t.string "web_api" 
    t.string "json_path" 
    t.datetime "created_at", null: false 
    t.datetime "updated_at", null: false 
    end 

    add_foreign_key "pings", "services" 
end

这里是我的模型： - service.rb

class Service < ApplicationRecord 
    has_many :pings, dependent: :destroy 
    validates :name, uniqueness: true, presence: true 
    validates :web_api, uniqueness: true, presence: true 
end

平.rb

类平< ApplicationRecord belongs_to的：服务结束

来源

2017-09-25 Doge

你可以添加你的模型@Doge？ –

我认为每当创建的cron作业都无法访问相同的一组gem（尽管它应该正常运行，然后呢？）。你可以尝试使用cron作业使用的相同bash运行rake任务吗？ – ulferts

@SebastiánPalma只是，谢谢 – Doge

所以，我发现那里的问题是感谢您的意见。

cron是发送此：

/bin/bash -l -c 'cd /Users/Naekh/code/yoando/statuschecker/statuschecker && RAILS_ENV=production bundle exec rake check:all --silent >> log/cron_log.log 2>> log/cron_error_log.log'

正如你可以看到，他把它发送到生产环境中，即使在我的日程表：

set :output, {:error => "log/cron_error_log.log", :standard => "log/cron_log.log"} 
every 2.minutes do 
    rake 'check:all', :environment => 'development' 
end

我告诉他送它到了开发环境。我现在需要找到一种方法来迫使他在该环境中去，因为当我运行：

/bin/bash -l -c 'cd /Users/Naekh/code/yoando/statuschecker/statuschecker && RAILS_ENV=environment bundle exec rake check:all --silent >> log/cron_log.log 2>> log/cron_error_log.log'

它的工作原理

我更新的cronjob环境：

whenever --update-crontab --set environment='development'

，现在它的工作顺利

来源

2017-09-25 09:08:33 Doge

PG :: UndefinedTable：错误：关系“services”不存在LINE 1：SELECT“services”。* FROM“services”

回答

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