数据库连接问题

[laisx]

00:04:35.577 [restartedMain] INFO o.a.c.c.AprLifecycleListener - [log,173] - The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [/Users/jonathan/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.] 00:04:35.617 [restartedMain] INFO o.a.c.c.C.[.[.[/] - [log,173] - Initializing Spring embedded WebApplicationContext 00:04:36.146 [restartedMain] ERROR c.a.d.p.DruidDataSource - [init,922] - init datasource error, url: jdbc:mysql://127.0.0.1:3307/mapleemsmplus?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure 我其他项目都可以连接，你这个项目总是出现这个问题