idea 测试数据库连接时爆红，提示Unhandled exception: java.sql.SQLException这里加上try catch即可，代码如下图try {Connection connection = dataSource.getConnection();System.out.println(connection);//关闭connection.close();}catch (S

今天在用idea测试时，发现报了一个错误：Error running ‘Springboot04DataApplicationTests.contextLoads’: Failed to resolve org.junit.platform:junit-platform-launcher:1.8.2这是因为pom里面需要添加一个依赖，复制下面的代码，粘贴到pom里即可dependency>&