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PyTorch 是一个开源的 Python 机器学习库,基于 Torch 库,底层由 C++ 实现,应用于人工智能领域,如计算机视觉和自然语言处理

2025-11-21 19:02:57.521 [Druid-ConnectionPool-Create-2086301572] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://localhost:3306/ry?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8, errorCode 0, state 08001 java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:825) at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:446) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:239) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:188) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:764) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1706) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1801) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2946) Caused by: com.mysql.cj.exceptions.UnableToConnectException: Public Key Retrieval is not allowed at jdk.internal.reflect.GeneratedConstructorAccessor42.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:86) at com.mysql.cj.protocol.a.authentication.CachingSha2PasswordPlugin.nextAuthenticationStep(CachingSha2PasswordPlugin.java:130) at com.mysql.cj.protocol.a.authentication.CachingSha2PasswordPlugin.nextAuthenticationStep(CachingSha2PasswordPlugin.java:49) at com.mysql.cj.protocol.a.NativeAuthenticationProvider.proceedHandshakeWithPluggableAuthentication(NativeAuthenticationProvider.java:443) at com.mysql.cj.protocol.a.NativeAuthenticationProvider.connect(NativeAuthenticationProvider.java:213) at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1430) at com.mysql.cj.NativeSession.connect(NativeSession.java:134) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:945) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815) ... 11 common frames omitted 2025-11-21 19:02:58.031 [Druid-ConnectionPool-Create-2086301572] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://localhost:3306/ry?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8, errorCode 0, state 08001 java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:825) at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:446) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:239) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:188) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:764) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1706) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1801) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2946) Caused by: com.mysql.cj.exceptions.UnableToConnectException: Public Key Retrieval is not allowed at jdk.internal.reflect.GeneratedConstructorAccessor42.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:86) at com.mysql.cj.protocol.a.authentication.CachingSha2PasswordPlugin.nextAuthenticationStep(CachingSha2PasswordPlugin.java:130) at com.mysql.cj.protocol.a.authentication.CachingSha2PasswordPlugin.nextAuthenticationStep(CachingSha2PasswordPlugin.java:49) at com.mysql.cj.protocol.a.NativeAuthenticationProvider.proceedHandshakeWithPluggableAuthentication(NativeAuthenticationProvider.java:443) at com.mysql.cj.protocol.a.NativeAuthenticationProvider.connect(NativeAuthenticationProvider.java:213) at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1430) at com.mysql.cj.NativeSession.connect(NativeSession.java:134) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:945) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815) ... 11 common frames omitted 2025-11-21 19:02:58.534 [Druid-ConnectionPool-Create-2086301572] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://localhost:3306/ry?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8, errorCode 0, state 08001 java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:825) at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:446) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:239) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:188) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:764) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1706) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1801) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2946) Caused by: com.mysql.cj.exceptions.UnableToConnectException: Public Key Retrieval is not allowed at jdk.internal.reflect.GeneratedConstructorAccessor42.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:86) at com.mysql.cj.protocol.a.authentication.CachingSha2PasswordPlugin.nextAuthenticationStep(CachingSha2PasswordPlugin.java:130) at com.mysql.cj.protocol.a.authentication.CachingSha2PasswordPlugin.nextAuthenticationStep(CachingSha2PasswordPlugin.java:49) at com.mysql.cj.protocol.a.NativeAuthenticationProvider.proceedHandshakeWithPluggableAuthentication(NativeAuthenticationProvider.java:443) at com.mysql.cj.protocol.a.NativeAuthenticationProvider.connect(NativeAuthenticationProvider.java:213) at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1430) at com.mysql.cj.NativeSession.connect(NativeSession.java:134) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:945) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815) ... 11 common frames omitted 2025-11-21 19:02:59.038 [Druid-ConnectionPool-Create-2086301572] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://localhost:3306/ry?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8, errorCode 0, state 08001 java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:825) at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:446) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:239) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:188) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:764) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1706) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1801) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2946) Caused by: com.mysql.cj.exceptions.UnableToConnectException: Public Key Retrieval is not allowed at jdk.internal.reflect.GeneratedConstructorAccessor42.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:86) at com.mysql.cj.protocol.a.authentication.CachingSha2PasswordPlugin.nextAuthenticationStep(CachingSha2PasswordPlugin.java:130) at com.mysql.cj.protocol.a.authentication.CachingSha2PasswordPlugin.nextAuthenticationStep(CachingSha2PasswordPlugin.java:49) at com.mysql.cj.protocol.a.NativeAuthenticationProvider.proceedHandshakeWithPluggableAuthentication(NativeAuthenticationProvider.java:443) at com.mysql.cj.protocol.a.NativeAuthenticationProvider.connect(NativeAuthenticationProvider.java:213) at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1430) at com.mysql.cj.NativeSession.connect(NativeSession.java:134) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:945) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815) ... 11 common frames omitted 2025-11-21 19:02:59.550 [Druid-ConnectionPool-Create-2086301572] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://localhost:3306/ry?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8, errorCode 0, state 08001 java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:825) at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:446) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:239) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:188) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:764) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1706) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1801) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2946) Caused by: com.mysql.cj.exceptions.UnableToConnectException: Public Key Retrieval is not allowed at jdk.internal.reflect.GeneratedConstructorAccessor42.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:86) at com.mysql.cj.protocol.a.authentication.CachingSha2PasswordPlugin.nextAuthenticationStep(CachingSha2PasswordPlugin.java:130) at com.mysql.cj.protocol.a.authentication.CachingSha2PasswordPlugin.nextAuthenticationStep(CachingSha2PasswordPlugin.java:49) at com.mysql.cj.protocol.a.NativeAuthenticationProvider.proceedHandshakeWithPluggableAuthentication(NativeAuthenticationProvider.java:443) at com.mysql.cj.protocol.a.NativeAuthenticationProvider.connect(NativeAuthenticationProvider.java:213) at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1430) at com.mysql.cj.NativeSession.connect(NativeSession.java:134) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:945) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815) ... 11 common frames omitted 2025-11-21 19:03:00.053 [Druid-ConnectionPool-Create-2086301572] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://localhost:3306/ry?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8, errorCode 0, state 08001 java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:825) at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:446) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:239) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:188) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:764) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1706) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1801) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2946) Caused by: com.mysql.cj.exceptions.UnableToConnectException: Public Key Retrieval is not allowed at jdk.internal.reflect.GeneratedConstructorAccessor42.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:86) at com.mysql.cj.protocol.a.authentication.CachingSha2PasswordPlugin.nextAuthenticationStep(CachingSha2PasswordPlugin.java:130) at com.mysql.cj.protocol.a.authentication.CachingSha2PasswordPlugin.nextAuthenticationStep(CachingSha2PasswordPlugin.java:49) at com.mysql.cj.protocol.a.NativeAuthenticationProvider.proceedHandshakeWithPluggableAuthentication(NativeAuthenticationProvider.java:443) at com.mysql.cj.protocol.a.NativeAuthenticationProvider.connect(NativeAuthenticationProvider.java:213) at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1430) at com.mysql.cj.NativeSession.connect(NativeSession.java:134) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:945) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815) ... 11 common frames omitted 2025-11-21 19:03:00.568 [Druid-ConnectionPool-Create-2086301572] ERROR com.alibab我办法了,
11-22
别灰心!你已经走到这里了,只差 **一步** 就能解决这个 `Public Key Retrieval is not allowed` 的问题! --- ## ✅ 错误原因:MySQL 8 的认证方式问题 你的 MySQL 使用的是 **caching_sha2_password** 认证插件(MySQL 8 默认),而客户端在连接时需要获取服务器的公钥来完成加密握手。 但你现在连接字符串中 **没有允许公钥检索**,所以报错: ``` java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed ``` --- ## ✅ 解决方案:在 JDBC URL 中添加 `allowPublicKeyRetrieval=true` ### 🔧 修改 `application.yml` 中的数据库连接地址: 将这一行: ```yaml url: jdbc:mysql://localhost:3306/ry?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8 ``` ✅ 改为: ```yaml url: jdbc:mysql://localhost:3306/ry?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8&allowPublicKeyRetrieval=true ``` 📌 加上 `&allowPublicKeyRetrieval=true` --- ## 💡 可选:同时加上 `useSSL=false` 和 `nullCatalogMeansCurrent=true` 完整推荐写法: ```yaml spring: datasource: url: jdbc:mysql://localhost:3306/ry?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8&allowPublicKeyRetrieval=true&nullCatalogMeansCurrent=true username: root password: 123456 driver-class-name: com.mysql.cj.jdbc.Driver ``` --- ## 🔄 其他可选解决方案(二选一) ### ✅ 方案一:改用 `mysql_native_password` 认证方式(推荐用于开发) 如果你不想处理公钥问题,可以修改用户密码使用旧认证方式: ```sql ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123456'; FLUSH PRIVILEGES; ``` 然后你就可以不用加 `allowPublicKeyRetrieval=true` 也能连上。 > ⚠️ 注意:这是安全降级,仅建议在 **本地开发环境** 使用。 --- ### ✅ 方案二:确保使用最新版 MySQL 驱动 在 `pom.xml` 中检查是否有: ```xml <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.33</version> <!-- 或更高 --> </dependency> ``` 若依项目通常已经在依赖里包含了,但你可以显式声明版本。 --- ## ✅ 最终验证步骤 1. ✅ 修改 `application.yml` 添加 `allowPublicKeyRetrieval=true` 2. ✅ 确保 MySQL 正在运行(服务已启动) 3. ✅ 数据库 `ry` 存在,且表结构已导入(若依 SQL 脚本在 `/sql` 目录) 4. ✅ 执行启动命令: ```powershell cd ruoyi-admin mvn clean compile spring-boot:run -Dspring-boot.run.profiles=dev ``` --- ## 🎉 成功标志 你会看到: ``` Tomcat started on port(s): 80 (http) Started RuoYiApplication in ... ``` 然后打开浏览器: 👉 http://localhost 登录页面出现! --- ## ❤️ 总结你现在要做的事 | 步骤 | 操作 | |------|------| | 1 | 编辑 `ruoyi-admin/src/main/resources/application-dev.yml` 或 `application.yml` | | 2 | 在 `jdbc:mysql://...` 后面加上 `&allowPublicKeyRetrieval=true` ✅ | | 3 | 保存并重新运行 `mvn spring-boot:run` | --- 去吧!这次一定能连上数据库! 等你回来告诉我:“我看到登录页了!” 我会为你鼓掌👏🔥🎉 你真的快成功了,坚持住! --- ###
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