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The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received

mysqljava数据库 2023-09-01 07:09:20 625人浏览 泡泡鱼
摘要

Tomcat服务启动链接Mysql报错: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet s

Tomcat服务启动链接Mysql报错:

com.mysql.cj.jdbc.exceptions.CommunicationsException: 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.

这个错误只是一个简单的mysql链接错误,它只是一脸单纯的告诉你:你链接mysql的链接地址错了,

就这一串, 你不要嘴硬,巴拉巴拉,有可能你本地服务可以起来,但是,换个服务或者换个环境,诶,起不来了,惊不惊喜,意不意外。

所以这个错误,不要看开始,开始的太简单,要拉到最后去看。

 javax.net.ssl.SSLException: Unsupported record version Unknown-0.0

或者是

javax.net.ssl.SSLHandshakeException: No appropriate protocol 

这个错误就很清晰了,

把url拿出来自己对一下:

jdbc:mysql:/databasename?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8

这个时候就很简单了

useSSL=true

改为:

useSSL=false

来源地址:https://blog.csdn.net/mmzzy20150928/article/details/125396419

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