環境為: dotnet core 3.1 webapi efcore maridb 10 Pomelo.EntityFrameworkCore.MySql 解決方案: await _context.SaveChangesAsync(); 異步操作要加await,不然會出現此異常 ...
報錯信息: 造成原因: 多進程使用同一個mysql鏈接導致出來的。 為什么會出現這問題: .多進程中MYSQL不可以使用同一個鏈接 .如果使用需要一個連接池 網上查看了幾篇報錯的原因: Thinkphp 框架使用swoole,數據連接報Packets out of order. PHP MYSQL Packets out of order. Expected received . Packet s ...
2021-06-22 12:30 0 271 推薦指數:
環境為: dotnet core 3.1 webapi efcore maridb 10 Pomelo.EntityFrameworkCore.MySql 解決方案: await _context.SaveChangesAsync(); 異步操作要加await,不然會出現此異常 ...
使用composer下載源碼出現錯誤 解決辦法:更換源,改到國內來 ...
Communications link failure解決方法,我借鑒的別人的,延長MySQL的連接時間 #查詢連接的時間 show global variables like 'wait_timeout'; #修改連接的時間set global wait_timeout=604800; ...
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. ...
在鏈接數據庫的時候,報錯如下: The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. 上網 ...
not received any packets from the server. at sun.reflec ...
在這里是因為在配置文件連接數據庫的url不正確 仔細查看一下,是否跟數據庫一樣 ...
問題1: 連接本地mysql,報如下錯誤 The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from ...