在项目打包时，报如下错误：

** 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 sun.security.ssl.SSLSocketImpl.shutdownInput(SSLSocketImpl.java:740)
	at sun.security.ssl.SSLSocketImpl.shutdownInput(SSLSocketImpl.java:719)
	at com.mysql.cj.protocol.a.NativeProtocol.quit(NativeProtocol.java:1312)
	at com.mysql.cj.NativeSession.quit(NativeSession.java:182)
	at com.mysql.cj.jdbc.ConnectionImpl.realClose(ConnectionImpl.java:1750)
	at com.mysql.cj.jdbc.ConnectionImpl.close(ConnectionImpl.java:720)
	at com.zaxxer.hikari.pool.PoolBase.quietlyCloseConnection(PoolBase.java:143)
	at com.zaxxer.hikari.pool.HikariPool.lambda$closeConnection$1(HikariPool.java:451)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)


** END NESTED EXCEPTION **

解决方法为数据库连接参数useSSL改为false。
说明：高版本的MySQL驱动（>=8.0.13）默认情况下useSSL是true，这里需要明确设置useSSL=false。