SpringBoot应用程序与mysql数据库连接，出现连接错误

当我使用EclipseIDE运行应用程序时，它运行并连接到数据库 但当我使用maven构建项目并从命令提示符运行jar文件时，它显示最后一个数据包是在0毫秒前收到的 我曾尝试添加验证查询、空闲超时、自动恢复连接、testonBorrow、连接超时、卸载mysql并重新安装、更改db并再次配置构建路径，但它始终在eclipse中运行，但在运行或构建jar的命令提示符中显示相同的错误

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)
        at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
        at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:836)
        at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:456)
        at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246)
        at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:199)
        at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
        at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:353)
        at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:201)
        at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:473)
        at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:562)
        at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
        at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
        at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
        at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator$ConnectionProviderJdbcConnectionAccess.obtainConnection(JdbcEnvironmentInitiator.java:180)
        at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:68)
        at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35)
        at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:101)
        at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:263)
        at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:237)
        at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214)
        at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.injectServices(DefaultIdentifierGeneratorFactory.java:152)
        at org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies(AbstractServiceRegistryImpl.java:286)
        at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:243)
        at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214)
        at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.<init>(InFlightMetadataCollectorImpl.java:175)
        at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:118)
        at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata(EntityManagerFactoryBuilderImpl.java:1202)
        at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1233)
        at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:58)
        at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:365)
        at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:391)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
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)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
        at java.lang.reflect.Constructor.newInstance(Unknown Source)
        at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
        at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
        at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
        at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
        at com.mysql.cj.protocol.a.NativeProtocol.negotiateSSLConnection(NativeProtocol.java:338)
        at com.mysql.cj.protocol.a.NativeAuthenticationProvider.negotiateSSLConnection(NativeAuthenticationProvider.java:777)
        at com.mysql.cj.protocol.a.NativeAuthenticationProvider.proceedHandshakeWithPluggableAuthentication(NativeAuthenticationProvider.java:486)
        at com.mysql.cj.protocol.a.NativeAuthenticationProvider.connect(NativeAuthenticationProvider.java:202)
        at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1340)
        at com.mysql.cj.NativeSession.connect(NativeSession.java:157)
        at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:956)
        at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:826)
        ... 33 more
Caused by: javax.net.ssl.SSLException: Software caused connection abort: recv failed
        at sun.security.ssl.Alert.createSSLException(Unknown Source)
        at sun.security.ssl.TransportContext.fatal(Unknown Source)
        at sun.security.ssl.TransportContext.fatal(Unknown Source)
        at sun.security.ssl.TransportContext.fatal(Unknown Source)
        at sun.security.ssl.SSLTransport.decode(Unknown Source)
        at sun.security.ssl.SSLSocketImpl.decode(Unknown Source)
        at sun.security.ssl.SSLSocketImpl.readHandshakeRecord(Unknown Source)
        at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
        at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
        at com.mysql.cj.protocol.ExportControlled.performTlsHandshake(ExportControlled.java:316)
        at com.mysql.cj.protocol.StandardSocketFactory.performTlsHandshake(StandardSocketFactory.java:188)
        at com.mysql.cj.protocol.a.NativeSocketConnection.performTlsHandshake(NativeSocketConnection.java:99)
        at com.mysql.cj.protocol.a.NativeProtocol.negotiateSSLConnection(NativeProtocol.java:329)
        ... 40 more

com.mysql.cj.jdbc.exceptions.CommunicationsException:通信链路故障
成功发送到服务器的最后一个数据包是0毫秒前的。驱动程序尚未从服务器收到任何数据包。
位于com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException（SQLError.java:174）
位于com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException（SQLExceptionsMapping.java:64）
位于com.mysql.cj.jdbc.ConnectionImpl.createNewIO（ConnectionImpl.java:836）
位于com.mysql.cj.jdbc.ConnectionImpl.（ConnectionImpl.java:456）
位于com.mysql.cj.jdbc.ConnectionImpl.getInstance（ConnectionImpl.java:246）
位于com.mysql.cj.jdbc.NonRegisteringDriver.connect（NonRegisteringDriver.java:199）
在com.zaxxer.hikari.util.DriverDataSource.getConnection上（DriverDataSource.java:138）
位于com.zaxxer.hikari.pool.PoolBase.newConnection（PoolBase.java:353）
在com.zaxxer.hikari.pool.PoolBase.newPoolEntry（PoolBase.java:201）上
在com.zaxxer.hikari.pool.HikariPool.createPoolEntry上（HikariPool.java:473）
在com.zaxxer.hikari.pool.HikariPool.checkFailFast上（HikariPool.java:562）
在com.zaxxer.hikari.pool.HikariPool上。（HikariPool.java:115）
位于com.zaxxer.hikari.HikariDataSource.getConnection（HikariDataSource.java:112）
位于org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection（DatasourceConnectionProviderImpl.java:122）
位于org.hibernate.engine.jdbc.env.internal.jdbconvironmentinitiator$connectionProviderjdbconnectionaccess.obtainConnection（jdbconvironmentinitiator.java:180）
位于org.hibernate.engine.jdbc.env.internal.jdbconvironmentinitiator.initiateService（jdbconvironmentinitiator.java:68）
位于org.hibernate.engine.jdbc.env.internal.jdbconvironmentinitiator.initiateService（jdbconvironmentinitiator.java:35）
位于org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService（StandardServiceRegistryImpl.java:101）
位于org.hibernate.service.internal.AbstractServiceRegistryImpl.createService（AbstractServiceRegistryImpl.java:263）
位于org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService（AbstractServiceRegistryImpl.java:237）
位于org.hibernate.service.internal.AbstractServiceRegistryImpl.getService（AbstractServiceRegistryImpl.java:214）
位于org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.injectServices（DefaultIdentifierGeneratorFactory.java:152）
位于org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies（AbstractServiceRegistryImpl.java:286）
位于org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService（AbstractServiceRegistryImpl.java:243）
位于org.hibernate.service.internal.AbstractServiceRegistryImpl.getService（AbstractServiceRegistryImpl.java:214）
位于org.hibernate.boot.internal.InFlightMetadataCollectorImpl。（InFlightMetadataCollectorImpl.java:175）
位于org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete（MetadataBuildingProcess.java:118）
位于org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata（EntityManagerFactoryBuilderImpl.java:1202）
位于org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build（EntityManagerFactoryBuilderImpl.java:1233）
位于org.springframework.orm.jpa.vendor.springhibernatejbapersistenceprovider.createContainerEntityManager工厂（springhibernatejbapersistenceprovider.java:58）
位于org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory（LocalContainerEntityManagerFactoryBean.java:365）
位于org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory（AbstractEntityManagerFactoryBean.java:391）
位于java.util.concurrent.FutureTask.run（未知源）
位于java.util.concurrent.ThreadPoolExecutor.runWorker（未知源）
位于java.util.concurrent.ThreadPoolExecutor$Worker.run（未知源）
位于java.lang.Thread.run（未知源）
原因：com.mysql.cj.exceptions.CJCommunicationsException:通信链路故障
成功发送到服务器的最后一个数据包是0毫秒前的。驱动程序尚未从服务器收到任何数据包。
位于sun.reflect.NativeConstructorAccessorImpl.newInstance0（本机方法）
位于sun.reflect.NativeConstructorAccessorImpl.newInstance（未知源）
位于sun.reflect.delegatingConstructor或AccessorImpl.newInstance（未知源）
位于java.lang.reflect.Constructor.newInstance（未知源）
在com.mysql.cj.exceptions.ExceptionFactory.createException（ExceptionFactory.java:61）上
在com.mysql.cj.exceptions.ExceptionFactory.createException（ExceptionFactory.java:105）上
在com.mysql.cj.exceptions.ExceptionFactory.createException上（ExceptionFactory.java:151）
位于com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException（ExceptionFactory.java:167）
位于com.mysql.cj.protocol.a.NativeProtocol.negotiateSSLConnection（NativeProtocol.java:338）
在com.mysql.cj.protocol.a.NativeAuthenticationProvider.negotiateSSLConnection上（NativeAuthenticationProvider.java:777）
在com.mysql.cj.protocol.a.NativeAuthenticationProvider.proceedHandshakeWithPluggableAuthentication（NativeAuthenticationProvider.java:486）上
skip-name-resolve=1