Shulou(Shulou.com)06/01 Report--

Exception description

Exception in thread "main" java.sql.SQLException: The server time zone value'? host ±host 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.

JDBC connects to mysql using .connector.6.0.jar

Problem solving:

String url = "jdbc:mysql://localhost:3306/zdx?serverTimezone=UTC"

Add? serverTimezone=UTC after url

As follows:

String url = "jdbc:mysql://localhost:3306/zdx?serverTimezone=UTC"

Hint: Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary.

This problem is not an error, it's just a friendly hint. If you don't want it, mysql can automatically load the driver in 6. 0 jar.

That is,

Class.forName ("com.mysql.jdbc.Driver"); if this sentence is commented out, the prompt will not appear again.

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