今天在学习ssm的时候，在测试访问数据库的时候产生了如下报错：

** BEGIN NESTED EXCEPTION ** 

javax.net.ssl.SSLException
MESSAGE: closing inbound before receiving peer's close_notify

STACKTRACE:

javax.net.ssl.SSLException: closing inbound before receiving peer's close_notify
	at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:133)
	at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:117)
	at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:356)
	at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:312)
	at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:303)
	at java.base/sun.security.ssl.SSLSocketImpl.shutdownInput(SSLSocketImpl.java:817)
	at java.base/sun.security.ssl.SSLSocketImpl.shutdownInput(SSLSocketImpl.java:796)
	at com.mysql.jdbc.MysqlIO.quit(MysqlIO.java:2249)
	at com.mysql.jdbc.ConnectionImpl.realClose(ConnectionImpl.java:4232)
	at com.mysql.jdbc.ConnectionImpl.close(ConnectionImpl.java:1472)
	at com.alibaba.druid.pool.DruidDataSource.close(DruidDataSource.java:1930)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.springframework.beans.factory.support.DisposableBeanAdapter.invokeCustomDestroyMethod(DisposableBeanAdapter.java:339)
	at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:273)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:587)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:559)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1092)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:520)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1085)
	at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1061)
	at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1030)
	at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:949)


** END NESTED EXCEPTION **

有一点要说明一下：我的查询数据库的方法成功了，返回到了正确的查询结果，但是却有报错，网络查询后发现是spring对我的数据库的访问进行了安全性的检查，发现我的测试链接的方法写的不安全（好像是这么回事）
解决办法也很简单，让它不提醒就行了：
在jdbc:properties文件的jdbc.url后面加入useSSL=false就行了
修改前：

修改后：