未配置开发数据库

Question

在开发模式下，我如何在服务器上解决这个问题？

未配置开发数据库。可用："default", "development", "test", "production"

database.yml

  default: &default
    adapter: sqlite3
    pool: 5
    timeout: 5000

  development:
    <<: *default
    database: db/development.sqlite3


  test:
    <<: *default
    database: db/test.sqlite3

  production:
    <<: *default
    database: db/production.sqlite3

Answer 1

尝试将此作为您的database.yml：

# SQLite version 3.x
#   gem install sqlite3
#
#   Ensure the SQLite 3 gem is defined in your Gemfile
#   gem 'sqlite3'
development:
  adapter: sqlite3
  database: db/development.sqlite3
  pool: 5
  timeout: 5000

# Warning: The database defined as "test" will be erased and
# re-generated from your development database when you run "rake".
# Do not set this db to the same as development or production.
test:
  adapter: sqlite3
  database: db/test.sqlite3
  pool: 5
  timeout: 5000

production:
  adapter: sqlite3
  database: db/production.sqlite3
  pool: 5
  timeout: 5000

Answer 2

您正在键入单词developement，而不是development。(在e和p之间没有额外的m)。