解决JDBC连接数据库报错java.sql.SQLException: The server time zone value is unrecognized

今天在使用mybatis时候,出现了一个时区报错,挺奇怪的。
报错如下:

Caused by: com.mysql.cj.exceptions.InvalidConnectionAttributeException: The server time zone value '�й���׼ʱ��' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time zone value if you want to utilize time zone support.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:85)
	at com.mysql.cj.util.TimeUtil.getCanonicalTimezone(TimeUtil.java:132)
	at com.mysql.cj.protocol.a.NativeProtocol.configureTimezone(NativeProtocol.java:2121)
	at com.mysql.cj.protocol.a.NativeProtocol.initServerSession(NativeProtocol.java:2145)
	at com.mysql.cj.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:1310)
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:967)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:826)
	... 87 common frames omitted

看字面意思是说我本地有不止一个时区,必须配置一个确定的时区才能使用时间支持。具体是什么原因导致的我也不知道,有可能是我本地开小飞机导致的吧,查询资料得知,只需要在jdbc连接串后拼接时区代码即可,至于是不是东八区时间,这个没影响,代码如下:

serverTimezone=UTC

我的初始连接串为:

jdbc:mysql://localhost:3306/e3mall?useUnicode=true&characterEncoding=UTF-8&useSSL=false

添加时区后完整的串为:

jdbc:mysql://localhost:3306/e3mall?useUnicode=true&characterEncoding=UTF-8&useSSL=false&serverTimezone=UTC

这样就可以解决该报错了。

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