JAVAweb连接Sql server 2019报unsupportedclassversionerror

Question

导入了sqljdbc4-2.jar
但还是报错
以下是连接代码

try{
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
System.out.print("驱动加载成功");
}catch(Exception e) {
e.printStackTrace();
System.out.print("驱动加载失败");
}
String url = "jdbc:sqlserver://10.3.4.27:1433;databaseName=RMS;integratedSecurity=false;";
try {
conn = DriverManager.getConnection(url,"sa","08121229");
System.out.print("连接成功");
} catch (SQLException e) {
e.printStackTrace();
System.out.print("连接失败");
}

Answer 1

JDK版本配置的原因：详细请参考https://jingyan.baidu.com/article/48206aeaca5031606bd6b34e.html