集成中心MySQL连接失败

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MySQL57、权限、白名单、binlog 都配置了,测试失败

  1. 连接失败,请检查数据源配置,错误信息:
  2. Failed to initialize pool: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
  3. Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
  4. Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
  5. Connection timed out (Connection timed out)