【MySQL】Path does not chain with any of the trust anchors

1.美图

2.背景

mysql连接地址

jdbcUrl=jdbc:mysql://127.0.0.1:3306/test?useSSL=true

报错

The last packet successfully received from the server was 316 milliseconds ago.  The last packet sent successfully to the server was 309 milliseconds ago.
	at com.jfinal.core.Config.startPlugins(Config.java:116)
	at com.jfinal.core.Config.configJFinal(Config.java:51)
	at com.jfinal.core.JFinal.init(JFinal.java:63)
	at com.jfinal.core.JFinalFilter.init(JFinalFilter.java:49)
	at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:285)
	at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:266)
	at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
	at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4747)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5389)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1410)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1400)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	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:748)
Caused by: com.jfinal.plugin.activerecord.ActiveRecordException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
 
The last packet successfully received from the server was 316 milliseconds ago.  The last packet sent successfully to the server was 309 milliseconds ago.
	at com.jfinal.plugin.activerecord.TableBuilder.build(TableBuilder.java:55)
	at com.jfinal.plugin.activerecord.ActiveRecordPlugin.start(ActiveRecordPlugin.java:226)
	at com.jfinal.core.Config.startPlugins(Config.java:107)
	... 15 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

应该是证书问题，把useSSL=true改为useSSL=false就好了。