java连接mysql报错

不吃饭的猪2024-06-21 21:15

1.背景，直接升级操作系统从centos-》国产化操作系统，mysql也升级到5.7.44

2，报错

java 复制代码 
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_144]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_144]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_144]
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_144]
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.Util.getInstance(Util.java:408) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:918) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:897) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:886) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2163) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2088) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:806) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_144]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_144]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_144]
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_144]
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:310) ~[tomcat-jdbc-8.5.6.jar:na]
        at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:203) ~[tomcat-jdbc-8.5.6.jar:na]
        at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:718) ~[tomcat-jdbc-8.5.6.jar:na]
        at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:650) ~[tomcat-jdbc-8.5.6.jar:na]
        at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:468) ~[tomcat-jdbc-8.5.6.jar:na]
        at org.apache.tomcat.jdbc.pool.ConnectionPool.<init>(ConnectionPool.java:143) ~[tomcat-jdbc-8.5.6.jar:na]
        at org.apache.tomcat.jdbc.pool.DataSourceProxy.pCreatePool(DataSourceProxy.java:118) ~[tomcat-jdbc-8.5.6.jar:na]
        at org.apache.tomcat.jdbc.pool.DataSourceProxy.createPool(DataSourceProxy.java:107) ~[tomcat-jdbc-8.5.6.jar:na]
        at org.apache.tomcat.jdbc.pool.DataSourceProxy.getConnection(DataSourceProxy.java:131) ~[tomcat-jdbc-8.5.6.jar:na]
        at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122) ~[hibernate-core-5.0.11.Final.jar:5.0.11.Final]
        at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator$ConnectionProviderJdbcConnectionAccess.obtainConnection(JdbcEnvironmentInitiator.java:180) ~[hibernate-core-5.0.11.Final.jar:5.0.11.Final]
        at org.hibernate.tool.schema.internal.TargetDatabaseImpl.prepare(TargetDatabaseImpl.java:38) ~[hibernate-core-5.0.11.Final.jar:5.0.11.Final]
        ... 28 common frames omitted
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 0 milliseconds ago.  The last packet sent successfully to the server was 0 milliseconds ago.
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_144]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_144]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_144]
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_144]
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:989) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java:164) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.MysqlIO.negotiateSSLConnection(MysqlIO.java:4898) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1659) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1226) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2253) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2104) ~[mysql-connector-java-5.1.40.jar:5.1.40]
        ... 50 common frames omitted
Caused by: javax.net.ssl.SSLException: Received fatal alert: internal_error
        at sun.security.ssl.Alerts.getSSLException(Alerts.java:208) ~[na:1.8.0_144]
        at sun.security.ssl.Alerts.getSSLException(Alerts.java:154) ~[na:1.8.0_144]
        at sun.security.ssl.SSLSocketImpl.recvAlert(SSLSocketImpl.java:2033) ~[na:1.8.0_144]
        at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1135) ~[na:1.8.0_144]
        at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1385) ~[na:1.8.0_144]
        at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1413) ~[na:1.8.0_144]
        at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1397) ~[na:1.8.0_144]
        at com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java:149) ~[mysql-connector-java-5.1.40.jar:5.1.40]

这里主要是最下面的Caused by: javax.net.ssl.SSLException: Received fatal alert: internal_error

3，分析原因

在MySQL5.7.41及之前的版本，安全性较低，存在任何用户都可以连接上的 test 库，所以官方在5.7.43版本加大了对隐私的保护。并且采用了默认 useSSL = true值防止对数据库的随意修改，导致项目启动时连接不上数据库

4，连接串添加&useSSL=false

相关推荐
小兔崽子去哪了2 小时前
Java 自动化部署
java·后端
ma_king2 小时前
入门 java 和 数据库
java·数据库·后端
后端AI实验室2 小时前
我用Cursor开发了3个月，整理出这套提效4倍的工作流
java·ai
随风飘的云6 小时前
mysql的innodb引擎对可重复读做了那些优化，可以避免幻读
mysql
码路飞6 小时前
GPT-5.3 Instant 终于学会好好说话了，顺手对比了下同天发布的 Gemini 3.1 Flash-Lite
java·javascript
SimonKing7 小时前
OpenCode AI编程助手如何添加Skills，优化项目！
java·后端·程序员
Seven978 小时前
剑指offer-80、⼆叉树中和为某⼀值的路径(二)
java
怒放吧德德20 小时前
Netty 4.2 入门指南：从概念到第一个程序
java·后端·netty
雨中飘荡的记忆21 小时前
大流量下库存扣减的数据库瓶颈：Redis分片缓存解决方案
java·redis·后端
心之语歌1 天前
基于注解+拦截器的API动态路由实现方案
java·后端
热门推荐
01GitHub 镜像站点02OpenClaw 使用和管理 MCP 完全指南03OpenClaw + 飞书（Feishu）环境搭建指南04Claude Code + GLM4.7 避坑指南：解决 Unable to connect to Anthropic services05OpenClaw优化飞书API 额度已耗尽问题06Window 10部署openclaw报错node.exe : npm error code 12807Clawdbot部署教程：解决‘gateway token missing’授权问题的完整步骤08小黑课堂计算机二级WPSoffice题库软件下载安装教程（2026年3月最新版）09OpenClaw大龙虾机器人完整安装教程10网站改了域名，如何查找？