Java连接Mysql SSL初始化失败

连接Mysql时报javax.net.ssl.SSLHandshakeException No appropriate protocol (protocol is disabled or cipher suites are inappropriate)错误

报错如下

[RX2]-ERROR-[2023-02-01 07:19:39] [localhost-startStop-1] com.alibaba.druid.pool.DruidDataSource.error(53) | init datasource error, url: jdbc:mysql://test-mysql.aitsp.ltd:3307/jsaas?useUnicode=true&characterEncoding=UTF-8&userSSL=false&serverTimezone=GMT%2B8
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:835) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:455) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:240) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:199) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:148) ~[druid-1.0.26.jar:1.0.26]
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:211) ~[druid-1.0.26.jar:1.0.26]
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:142) ~[druid-1.0.26.jar:1.0.26]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1423) ~[druid-1.0.26.jar:1.0.26]
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1477) ~[druid-1.0.26.jar:1.0.26]
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:677) [druid-1.0.26.jar:1.0.26]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_322]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_322]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_322]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_322]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1760) [spring-beans-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1697) [spring-beans-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1627) [spring-beans-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553) [spring-beans-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:481) [spring-beans-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:312) [spring-beans-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) [spring-beans-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:308) [spring-beans-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) [spring-beans-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761) [spring-beans-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867) [spring-context-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) [spring-context-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:443) [spring-web-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:325) [spring-web-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107) [spring-web-4.3.22.RELEASE.jar:4.3.22.RELEASE]
	at com.redxun.saweb.listener.StartupListener.contextInitialized(StartupListener.java:26) [classes/:?]
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4763) [catalina.jar:8.5.75]
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5232) [catalina.jar:8.5.75]
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [catalina.jar:8.5.75]
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753) [catalina.jar:8.5.75]
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:727) [catalina.jar:8.5.75]
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:695) [catalina.jar:8.5.75]
	at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1016) [catalina.jar:8.5.75]
	at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1903) [catalina.jar:8.5.75]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_322]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_322]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_322]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_322]
	at java.lang.Thread.run(Thread.java:750) [?:1.8.0_322]
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_322]
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_322]
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_322]
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_322]
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeProtocol.negotiateSSLConnection(NativeProtocol.java:361) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeAuthenticationProvider.negotiateSSLConnection(NativeAuthenticationProvider.java:777) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeAuthenticationProvider.proceedHandshakeWithPluggableAuthentication(NativeAuthenticationProvider.java:486) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeAuthenticationProvider.connect(NativeAuthenticationProvider.java:202) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1449) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.NativeSession.connect(NativeSession.java:165) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:955) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:825) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	... 42 more
Caused by: javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate)
	at sun.security.ssl.HandshakeContext.<init>(HandshakeContext.java:171) ~[?:1.8.0_322]
	at sun.security.ssl.ClientHandshakeContext.<init>(ClientHandshakeContext.java:103) ~[?:1.8.0_322]
	at sun.security.ssl.TransportContext.kickstart(TransportContext.java:220) ~[?:1.8.0_322]
	at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:428) ~[?:1.8.0_322]
	at com.mysql.cj.protocol.ExportControlled.performTlsHandshake(ExportControlled.java:315) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.StandardSocketFactory.performTlsHandshake(StandardSocketFactory.java:188) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeSocketConnection.performTlsHandshake(NativeSocketConnection.java:99) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeProtocol.negotiateSSLConnection(NativeProtocol.java:352) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeAuthenticationProvider.negotiateSSLConnection(NativeAuthenticationProvider.java:777) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeAuthenticationProvider.proceedHandshakeWithPluggableAuthentication(NativeAuthenticationProvider.java:486) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeAuthenticationProvider.connect(NativeAuthenticationProvider.java:202) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1449) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.NativeSession.connect(NativeSession.java:165) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:955) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:825) ~[mysql-connector-java-8.0.15.jar:8.0.15]
	... 42 more
[RX2]-ERROR-[2023-02-01 07:19:39] [localhost-startStop-1] com.alibaba.druid.pool.DruidDataSource.error(53) | {dataSource-1} init error
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure　

解决方法：

# 我的JDK版本 8u321 修改jdk/jre/lib/security/java.security文件，按照如下方式修改：删除掉SSLv3, TLSv1, TLSv1.1这三个 

703 jdk.tls.disabledAlgorithms=RC4, DES, MD5withRSA, \
 704     DH keySize < 1024, EC keySize < 224, 3DES_EDE_CBC, anon, NULL, \
 705     include jdk.disabled.namedCurves

抄自与：https://www.cnblogs.com/wwjj4811/p/15058365.html