maven使用笔记之错误提示:“web.xml文件丢失和设置为true”

本文介绍了解决Maven项目中出现的“web.xml文件丢失和设置为true”的错误。该问题通常由项目属性里的deploymentassembly配置消失引起。文中详细介绍了如何通过修改项目的xxxx.settings目录下的org.eclipse.wst.common.project.facet.core.xml文件并调整项目类型来重新生成deploymentassembly配置。

1.如果pom.xml提示 “web.xml文件丢失和设置为true” 这个错误,那么是因为项目属性里面的deployment assembly配置不见了。
添加deployment assembly的方步骤:
1.先把项目的 xxxx.settings 目录下的org.eclipse.wst.common.project.facet.core.xml里面把这行删除。
2.在把项目改成非Maven项目,再把项目又改成Maven项目,deployment assembly就自动生成了。

C:\Users\涂大钧\.jdks\corretto-17.0.14\bin\java.exe -XX:TieredStopAtLevel=1 -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-Dmanagement.endpoints.jmx.exposure.include=*" "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2024.1.4\lib\idea_rt.jar=59243:C:\Program Files\JetBrains\IntelliJ IDEA 2024.1.4\bin" -Dfile.encoding=UTF-8 -classpath 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:\develop\MAVEN\apache-maven-3.9.10\repository\io\netty\netty-common\4.1.122.Final\netty-common-4.1.122.Final.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\netty\netty-handler\4.1.122.Final\netty-handler-4.1.122.Final.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\netty\netty-resolver\4.1.122.Final\netty-resolver-4.1.122.Final.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\netty\netty-buffer\4.1.122.Final\netty-buffer-4.1.122.Final.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\netty\netty-transport-native-unix-common\4.1.122.Final\netty-transport-native-unix-common-4.1.122.Final.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\netty\netty-codec\4.1.122.Final\netty-codec-4.1.122.Final.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\netty\netty-transport\4.1.122.Final\netty-transport-4.1.122.Final.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\projectreactor\reactor-core\3.7.7\reactor-core-3.7.7.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\org\reactivestreams\reactive-streams\1.0.4\reactive-streams-1.0.4.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\org\apache\commons\commons-pool2\2.12.1\commons-pool2-2.12.1.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\springfox\springfox-swagger2\2.9.2\springfox-swagger2-2.9.2.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\swagger\swagger-annotations\1.5.20\swagger-annotations-1.5.20.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\swagger\swagger-models\1.5.20\swagger-models-1.5.20.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\springfox\springfox-spi\2.9.2\springfox-spi-2.9.2.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\springfox\springfox-core\2.9.2\springfox-core-2.9.2.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\springfox\springfox-schema\2.9.2\springfox-schema-2.9.2.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\springfox\springfox-swagger-common\2.9.2\springfox-swagger-common-2.9.2.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\springfox\springfox-spring-web\2.9.2\springfox-spring-web-2.9.2.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\com\google\guava\guava\20.0\guava-20.0.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\com\fasterxml\classmate\1.7.0\classmate-1.7.0.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\org\springframework\plugin\spring-plugin-core\1.2.0.RELEASE\spring-plugin-core-1.2.0.RELEASE.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\org\springframework\plugin\spring-plugin-metadata\1.2.0.RELEASE\spring-plugin-metadata-1.2.0.RELEASE.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\org\mapstruct\mapstruct\1.2.0.Final\mapstruct-1.2.0.Final.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\io\springfox\springfox-swagger-ui\2.9.2\springfox-swagger-ui-2.9.2.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\org\projectlombok\lombok\1.18.38\lombok-1.18.38.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\jakarta\xml\bind\jakarta.xml.bind-api\4.0.2\jakarta.xml.bind-api-4.0.2.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\jakarta\activation\jakarta.activation-api\2.1.3\jakarta.activation-api-2.1.3.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\net\bytebuddy\byte-buddy\1.17.6\byte-buddy-1.17.6.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\org\springframework\spring-core\6.2.8\spring-core-6.2.8.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\org\springframework\spring-jcl\6.2.8\spring-jcl-6.2.8.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\com\fasterxml\jackson\core\jackson-databind\2.19.1\jackson-databind-2.19.1.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\com\fasterxml\jackson\core\jackson-annotations\2.19.1\jackson-annotations-2.19.1.jar;D:\develop\MAVEN\apache-maven-3.9.10\repository\com\fasterxml\jackson\core\jackson-core\2.19.1\jackson-core-2.19.1.jar com.sky.reids7.Reids7Application . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v3.5.3) 2025-07-16 15:28:52.475 [main] INFO com.sky.reids7.Reids7Application- Starting Reids7Application using Java 17.0.14 with PID 7548 (D:\AAAAA\笔记\reids7\target\classes started by 涂大钧 in D:\AAAAA\笔记\reids7) 2025-07-16 15:28:52.477 [main] INFO com.sky.reids7.Reids7Application- No active profile set, falling back to 1 default profile: "default" 2025-07-16 15:28:52.951 [main] INFO org.springframework.data.repository.config.RepositoryConfigurationDelegate- Multiple Spring Data modules found, entering strict repository configuration mode 2025-07-16 15:28:52.953 [main] INFO org.springframework.data.repository.config.RepositoryConfigurationDelegate- Bootstrapping Spring Data Redis repositories in DEFAULT mode. 2025-07-16 15:28:52.973 [main] INFO org.springframework.data.repository.config.RepositoryConfigurationDelegate- Finished Spring Data repository scanning in 9 ms. Found 0 Redis repository interfaces. 2025-07-16 15:28:53.292 [main] INFO org.springframework.boot.web.embedded.tomcat.TomcatWebServer- Tomcat initialized with port 8080 (http) 2025-07-16 15:28:53.301 [main] INFO org.apache.catalina.core.StandardService- Starting service [Tomcat] 2025-07-16 15:28:53.301 [main] INFO org.apache.catalina.core.StandardEngine- Starting Servlet engine: [Apache Tomcat/10.1.42] 2025-07-16 15:28:53.341 [main] INFO org.apache.catalina.core.ContainerBase.[Tomcat].[localhost].[/]- Initializing Spring embedded WebApplicationContext 2025-07-16 15:28:53.341 [main] INFO org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext- Root WebApplicationContext: initialization completed in 840 ms 2025-07-16 15:28:53.579 [main] WARN org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext- Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'orderController': Injection of resource dependencies failed 2025-07-16 15:28:53.585 [main] INFO org.apache.catalina.core.StandardService- Stopping service [Tomcat] 2025-07-16 15:28:53.593 [main] INFO org.springframework.boot.autoconfigure.logging.ConditionEvaluationReportLogger- Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled. 2025-07-16 15:28:53.603 [main] ERROR org.springframework.boot.SpringApplication- Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'orderController': Injection of resource dependencies failed at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessProperties(CommonAnnotationBeanPostProcessor.java:372) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1459) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:606) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:529) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:339) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:373) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:337) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.beans.factory.support.DefaultListableBeanFactory.instantiateSingleton(DefaultListableBeanFactory.java:1222) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingleton(DefaultListableBeanFactory.java:1188) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:1123) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:987) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:627) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:752) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:439) at org.springframework.boot.SpringApplication.run(SpringApplication.java:318) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1361) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1350) at com.sky.reids7.Reids7Application.main(Reids7Application.java:10) Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'orderService': Injection of resource dependencies failed at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessProperties(CommonAnnotationBeanPostProcessor.java:372) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1459) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:606) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:529) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:339) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:373) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:337) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:207) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.resolveBeanByName(AbstractAutowireCapableBeanFactory.java:468) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.autowireResource(CommonAnnotationBeanPostProcessor.java:606) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.getResource(CommonAnnotationBeanPostProcessor.java:577) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor$ResourceElement.getResourceToInject(CommonAnnotationBeanPostProcessor.java:739) at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:272) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:146) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessProperties(CommonAnnotationBeanPostProcessor.java:369) ... 19 common frames omitted Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'redisTemplate' defined in class path resource [org/springframework/boot/autoconfigure/data/redis/RedisAutoConfiguration.class]: Unsatisfied dependency expressed through method 'redisTemplate' parameter 0: Error creating bean with name 'redisConnectionFactory' defined in class path resource [org/springframework/boot/autoconfigure/data/redis/LettuceConnectionConfiguration.class]: HEXPIRE at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:804) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:546) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1375) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1205) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:569) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:529) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:339) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:373) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:337) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:207) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.resolveBeanByName(AbstractAutowireCapableBeanFactory.java:468) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.autowireResource(CommonAnnotationBeanPostProcessor.java:606) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.getResource(CommonAnnotationBeanPostProcessor.java:577) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor$ResourceElement.getResourceToInject(CommonAnnotationBeanPostProcessor.java:739) at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:272) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:146) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessProperties(CommonAnnotationBeanPostProcessor.java:369) ... 33 common frames omitted Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'redisConnectionFactory' defined in class path resource [org/springframework/boot/autoconfigure/data/redis/LettuceConnectionConfiguration.class]: HEXPIRE at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1826) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:607) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:529) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:339) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:373) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:337) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1683) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1628) at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:913) at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:791) ... 49 common frames omitted Caused by: java.lang.NoSuchFieldError: HEXPIRE at org.springframework.data.redis.connection.lettuce.LettuceConnection$TypeHints.<clinit>(LettuceConnection.java:1163) at org.springframework.data.redis.connection.lettuce.LettuceConnection.<clinit>(LettuceConnection.java:112) at org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory.start(LettuceConnectionFactory.java:938) at org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory.afterPropertiesSet(LettuceConnectionFactory.java:1009) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1873) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1822) ... 59 common frames omitted 进程已结束,退出代码为 1还是报错
最新发布
07-17
<think>我们之前已经尝试过升级Lettuce版本到6.2.4.RELEASE,但用户反馈仍然报错HEXPIRE。现在需要进一步排查。 根据引用[2][3]的信息,Spring Boot 3.x中Redis配置的前缀已经改为`spring.data.redis`,并且Lettuce连接池配置也有所调整。 另外,引用[1]提到Spring Boot 3.5的一些新特性,但与我们当前的问题关系不大。 重新分析问题:即使更换Lettuce版本仍然报错,可能的原因有: 1. 版本冲突:项目中可能通过其他依赖引入了旧版本的Lettuce,导致实际使用的版本不是我们指定的版本。 2. Redis服务器版本过低:HEXPIRE命令需要Redis 6.2及以上版本支持。 3. 配置问题:Spring Boot 3.5中Redis配置的前缀结构可能有变化,导致配置未生效。 4. 代码中使用RedisTemplate的方式可能调用了不支持的命令。 解决方案步骤: 步骤1:确认Lettuce版本 在pom.xml中,我们虽然指定了Lettuce版本,但需要检查依赖树,确保没有其他依赖引入旧版本。 执行命令:`mvn dependency:tree -Dincludes=io.lettuce:lettuce-core` 如果发现有多个版本,需要排除旧版本。 步骤2:检查Redis服务器版本 确保Redis服务器版本在6.2以上。可以通过`redis-server --version`查看。 步骤3:检查Spring Boot配置 在application.yml中,配置应该使用新的前缀`spring.data.redis`,并且确保连接信息正确。 步骤4:检查代码中是否使用了HEXPIRE命令 在Spring Data Redis中,我们通常使用RedisTemplate,它封装了命令。但是,如果直接使用Lettuce的连接并执行命令,可能会使用到HEXPIRE。 检查代码中是否有直接使用`HEXPIRE`命令的地方,如果有,确保Redis版本支持。 步骤5:尝试使用Jedis替换Lettuce 如果以上步骤无法解决,可以尝试切换为Jedis客户端。 具体操作: 1. 排除Lettuce并引入Jedis: ```xml <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-redis</artifactId> <exclusions> <exclusion> <groupId>io.lettuce</groupId> <artifactId>lettuce-core</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>4.4.6</version> <!-- 与Spring Boot 3.5.3兼容的版本 --> </dependency> ``` 2. 在application.yml中指定使用Jedis: ```yaml spring: data: redis: client-type: jedis ``` 步骤6:如果使用Redisson,注意版本兼容性 如果项目中引入了Redisson,需要确保其版本与Spring Boot 3.5.3兼容。Redisson的Spring Boot Starter版本建议使用3.23.0或更高。 步骤7:清理重新构建 执行`mvn clean install -U`,并确保IDE中重新构建项目。 如果以上步骤仍然不能解决问题,请提供完整的错误堆栈信息,以便进一步分析。 相关问题: 1. 如何查看Maven项目中实际生效的依赖版本? 2. Spring Boot 3.5中Redis的配置有哪些变化? 3. 如何检查Redis服务器版本是否满足应用要求? 4. 在Spring Boot中如何切换Redis客户端(Lettuce/Jedis)? 5. 使用Redisson时如何确保与Spring Boot 3.5兼容?</think>### 解决 Spring Boot 3.5.3 启动报错 HEXPIRE(Lettuce 版本无效) #### 核心问题诊断 即使修改 Lettuce 版本仍报错 `HEXPIRE`,通常由以下原因导致: 1. **多版本冲突**:其他依赖引入旧版 Lettuce(通过 `mvn dependency:tree` 检查) 2. **配置未生效**:Spring Boot 3.5+ 的 Redis 配置前缀已改为 `spring.data.redis`(引用[2]) 3. **Redis 服务器版本过低**:需要 Redis 6.2+ 支持 HEXPIRE 命令 4. **连接池配置错误**:Lettuce 连接池配置需独立声明(引用[3]) --- ### 终极解决方案(分步操作) #### 步骤 1:强制统一 Lettuce 版本 在 `pom.xml` 中添加以下配置,确保排除所有旧版本: ```xml <properties> <!-- 强制使用兼容版本 --> <lettuce.version>6.3.2.RELEASE</lettuce.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-redis</artifactId> <!-- 双重排除确保无冲突 --> <exclusions> <exclusion> <groupId>io.lettuce</groupId> <artifactId>lettuce-core</artifactId> </exclusion> </exclusions> </dependency> <!-- 显式引入新版 --> <dependency> <groupId>io.lettuce</groupId> <artifactId>lettuce-core</artifactId> <version>${lettuce.version}</version> </dependency> </dependencies> ``` #### 步骤 2:更新 Redis 配置(关键!) 在 `application.yml` 使用 **Spring Boot 3.5+ 新配置格式**(引用[2][3]): ```yaml spring: data: # 注意前缀已改为 spring.data.redis redis: host: 127.0.0.1 port: 6379 password: yourpassword database: 0 timeout: 5000 lettuce: # 连接池必须显式配置 pool: max-active: 16 max-idle: 8 min-idle: 4 max-wait: 2000ms client-type: lettuce # 强制指定客户端 ``` #### 步骤 3:验证 Redis 服务器版本 ```bash redis-cli info server | grep redis_version # 必须输出:redis_version:6.2.x 或更高 ``` 若低于 6.2,需升级 Redis 或使用兼容模式: ```java @Configuration public class RedisConfig { @Bean public RedisTemplate<?, ?> redisTemplate(RedisConnectionFactory factory) { RedisTemplate<?, ?> template = new RedisTemplate<>(); template.setConnectionFactory(factory); // 禁用新命令兼容旧版Redis template.setEnableDefaultSerializer(false); return template; } } ``` #### 步骤 4:彻底清理构建(关键!) 1. 删除 Maven 本地缓存: ```bash rm -rf ~/.m2/repository/io/lettuce ``` 2. 执行强制更新: ```bash mvn clean install -U -DskipTests ``` 3. IDE 执行:**Build → Rebuild Project** --- ### 验证方案 创建健康检查接口: ```java @RestController public class RedisHealthController { @Autowired private RedisConnectionFactory connectionFactory; @GetMapping("/redis/health") public String healthCheck() { try (var conn = connectionFactory.getConnection()) { return "Lettuce: " + conn.getNativeConnection() + "\nPING: " + conn.ping(); } } } ``` 访问 `http://localhost:8080/redis/health` 应返回: ``` Lettuce: io.lettuce.core.RedisAsyncCommandsImpl@6a2f6f80 PING: PONG ``` ### 备用方案:切换 Jedis 客户端 若仍失败,改用 Jedis: ```xml <!-- pom.xml --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-redis</artifactId> <exclusions> <exclusion> <groupId>io.lettuce</groupId> <artifactId>lettuce-core</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>4.4.6</version> </dependency> ``` ```yaml # application.yml spring: data: redis: client-type: jedis # 明确指定客户端 ``` --- ### 相关问题 1. 如何查看 Spring Boot 项目中实际生效的依赖版本树? 2. Lettuce Jedis 在 Spring Boot 3.5 中的性能差异有哪些? 3. 除了 HEXPIRE,Redis 6.2 还有哪些必须关注的新命令? 4. 如何在运行时动态切换 Redis 客户端而不重启应用? 5. Spring Boot 3.5 对 Redis 7.0 的新特性支持情况如何?[^1][^2]
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