我无法连接到我的Spring应用程序的数据库。 遇到以下错误：
t sun.reflect.GeneratedConstructorAccessor21.newInstance(Unknown Source) ~[na:na]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_212]
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_212]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:377) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.Util.getInstance(Util.java:360) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:935) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:924) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:870) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2311) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2064) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:790) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:44) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at sun.reflect.GeneratedConstructorAccessor17.newInstance(Unknown Source) ~[na:na]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_212]
我对mysql的依赖性如下：我正在使用mysql服务器版本9.0
<!-- MySQL Driver -->
<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.11</version>
</dependency>