python network_error ai_generated true

django.db.utils.OperationalError: could not connect to server: Connection refused Is the server running on host "localhost" (127.0.0.1) and accepting TCP/IP connections on port 5432?

ID: python/django-database-connection-error

Also available as: JSON · Markdown · 中文
80%Fix Rate
88%Confidence
0Evidence
2024-02-11First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
3.x active — — —

Root Cause

PostgreSQL数据库未启动或连接配置错误

generic

中文

数据库服务未运行、端口错误或凭据错误导致无法建立连接

Workarounds

  1. 90% success 
    sudo service postgresql start 或 systemctl start postgresql
  2. 85% success 
    确保DATABASES设置中的NAME、USER、PASSWORD正确

Dead Ends

Common approaches that don't work:

  1. 80% fail

    如果数据库未启动，更改主机地址无效

  2. 50% fail

    可能影响生产环境兼容性