Spring AI-03.快速入门(Getting Started)

Spring AI-03.快速入门(Getting Started)

本节提供了如何开始使用 Spring AI 的切入点。您应根据需求按照以下各节中的步骤操作。

Spring AI 支持 Spring Boot 3.4.x。当 Spring Boot 3.5.x 发布后,我们也将提供支持。

Spring Initializr

访问 start.spring.io,并为新应用选择您想要使用的 AI 模型和向量存储。

构件仓库
里程碑版本 - 使用 Maven 中央仓库

从 1.0.0-M6 版本开始,版本可在 Maven 中央仓库中获取。无需对构建文件进行任何更改。

快照版本 - 添加快照仓库

要使用快照版本(及 1.0.0-M6 里程碑之前的版本),您需要在构建文件中添加以下快照仓库:

在 Maven 或 Gradle 构建文件中添加以下仓库定义:

Maven

08:28:41,486 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[CONFIG_LOG_FILE] - 'File' option has the same value "C:\Users\DELL/logs/nacos/config.log" as that given for appender [CONFIG_LOG_FILE] defined earlier. 08:28:41,486 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[CONFIG_LOG_FILE] - Collisions detected with FileAppender/RollingAppender instances defined earlier. Aborting. 08:28:41,486 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[CONFIG_LOG_FILE] - For more information, please visit https://logback.qos.ch/codes.html#earlier_fa_collision 08:28:41,487 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[NAMING_LOG_FILE] - 'File' option has the same value "C:\Users\DELL/logs/nacos/naming.log" as that given for appender [NAMING_LOG_FILE] defined earlier. 08:28:41,487 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[NAMING_LOG_FILE] - Collisions detected with FileAppender/RollingAppender instances defined earlier. Aborting. 08:28:41,487 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[NAMING_LOG_FILE] - For more information, please visit https://logback.qos.ch/codes.html#earlier_fa_collision 08:28:41,487 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[REMOTE_LOG_FILE] - 'File' option has the same value "C:\Users\DELL/logs/nacos/remote.log" as that given for appender [REMOTE_LOG_FILE] defined earlier. 08:28:41,487 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[REMOTE_LOG_FILE] - Collisions detected with FileAppender/RollingAppender instances defined earlier. Aborting. 08:28:41,487 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[REMOTE_LOG_FILE] - For more information, please visit https://logback.qos.ch/codes.html#earlier_fa_collision 2025-08-23T08:28:41.490+08:00 INFO 18276 --- [langchain4j-01helloworld] [ main] com.atguigu.study.HelloLangChain4JApp : Starting HelloLangChain4JApp using Java 21.0.8 with PID 18276 (E:\杨哥mysql\langchain4J-2025.8.22\01code\langchain4j-atguiguV5\langchain4j-01helloworld\target\classes started by DELL in E:\杨哥mysql\langchain4J-2025.8.22\01code\langchain4j-atguiguV5) 2025-08-23T08:28:41.491+08:00 INFO 18276 --- [langchain4j-01helloworld] [ main] com.atguigu.study.HelloLangChain4JApp : No active profile set, falling back to 1 default profile: "default" 2025-08-23T08:28:41.980+08:00 WARN 18276 --- [langchain4j-01helloworld] [ main] trationDelegate$BeanPostProcessorChecker : Bean 'com.alibaba.cloud.nacos.NacosConfigAutoConfiguration' of type [com.alibaba.cloud.nacos.NacosConfigAutoConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying). The currently created BeanPostProcessor [nacosAnnotationProcessor] is declared through a non-static factory method on that class; consider declaring it as static instead. 2025-08-23T08:28:41.984+08:00 WARN 18276 --- [langchain4j-01helloworld] [ main] trationDelegate$BeanPostProcessorChecker : Bean 'nacosConfigProperties' of type [com.alibaba.cloud.nacos.NacosConfigProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying). Is this bean getting eagerly injected/applied to a currently created BeanPostProcessor [nacosAnnotationProcessor]? Check the corresponding BeanPostProcessor declaration and its dependencies/advisors. If this bean does not have to be post-processed, declare it with ROLE_INFRASTRUCTURE. 08:28:41,990 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[CONFIG_LOG_FILE] - 'File' option has the same value "C:\Users\DELL/logs/nacos/config.log" as that given for appender [CONFIG_LOG_FILE] defined earlier. 08:28:41,990 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[CONFIG_LOG_FILE] - Collisions detected with FileAppender/RollingAppender instances defined earlier. Aborting. 08:28:41,990 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[CONFIG_LOG_FILE] - For more information, please visit https://logback.qos.ch/codes.html#earlier_fa_collision 08:28:41,991 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[NAMING_LOG_FILE] - 'File' option has the same value "C:\Users\DELL/logs/nacos/naming.log" as that given for appender [NAMING_LOG_FILE] defined earlier. 08:28:41,991 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[NAMING_LOG_FILE] - Collisions detected with FileAppender/RollingAppender instances defined earlier. Aborting. 08:28:41,991 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[NAMING_LOG_FILE] - For more information, please visit https://logback.qos.ch/codes.html#earlier_fa_collision 08:28:41,991 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[REMOTE_LOG_FILE] - 'File' option has the same value "C:\Users\DELL/logs/nacos/remote.log" as that given for appender [REMOTE_LOG_FILE] defined earlier. 08:28:41,991 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[REMOTE_LOG_FILE] - Collisions detected with FileAppender/RollingAppender instances defined earlier. Aborting. 08:28:41,991 |-ERROR in ch.qos.logback.core.rolling.RollingFileAppender[REMOTE_LOG_FILE] - For more information, please visit https://logback.qos.ch/codes.html#earlier_fa_collision 08:28:41,993 |-WARN in ch.qos.logback.core.rolling.RollingFileAppender[CONFIG_LOG_FILE] - Attempted to append to non started appender [CONFIG_LOG_FILE]. 08:28:41,993 |-WARN in ch.qos.logback.core.rolling.RollingFileAppender[CONFIG_LOG_FILE] - Attempted to append to non started appender [CONFIG_LOG_FILE]. 08:28:41,993 |-WARN in ch.qos.logback.core.rolling.RollingFileAppender[CONFIG_LOG_FILE] - Attempted to append to non started appender [CONFIG_LOG_FILE]. 08:28:41,993 |-WARN in ch.qos.logback.core.rolling.RollingFileAppender[CONFIG_LOG_FILE] - Attempted to append to non started appender [CONFIG_LOG_FILE]. 08:28:41,994 |-WARN in ch.qos.logback.core.rolling.RollingFileAppender[CONFIG_LOG_FILE] - Attempted to append to non started appender [CONFIG_LOG_FILE]. 08:28:41,994 |-WARN in ch.qos.logback.core.rolling.RollingFileAppender[CONFIG_LOG_FILE] - Attempted to append to non started appender [CONFIG_LOG_FILE]. 08:28:42,024 |-WARN in ch.qos.logback.core.rolling.RollingFileAppender[REMOTE_LOG_FILE] - Attempted to append to non started appender [REMOTE_LOG_FILE]. 08:28:42,024 |-WARN in ch.qos.logback.core.rolling.RollingFileAppender[REMOTE_LOG_FILE] - Attempted to append to non started appender [REMOTE_LOG_FILE]. 08:28:42,024 |-WARN in ch.qos.logback.core.rolling.RollingFileAppender[REMOTE_LOG_FILE] - Attempted to append to non started appender [REMOTE_LOG_FILE]. 08:28:42,024 |-WARN in ch.qos.logback.core.rolling.RollingFileAppender[REMOTE_LOG_FILE] - Attempted to append to non started appender [REMOTE_LOG_FILE]. 08:28:42,024 |-WARN in ch.qos.logback.core.rolling.RollingFileAppender[REMOTE_LOG_FILE] - Attempted to append to non started appender [REMOTE_LOG_FILE]. 08:28:42,024 |-WARN in ch.qos.logback.core.rolling.RollingFileAppender[REMOTE_LOG_FILE] - Attempted to append to non started appender [REMOTE_LOG_FILE]. 2025-08-23T08:28:42.029+08:00 INFO 18276 --- [langchain4j-01helloworld] [ main] c.a.n.p.a.s.c.ClientAuthPluginManager : [ClientAuthPluginManager] Load ClientAuthService com.alibaba.nacos.client.auth.impl.NacosClientAuthServiceImpl success. 2025-08-23T08:28:42.029+08:00 INFO 18276 --- [langchain4j-01helloworld] [ main] c.a.n.p.a.s.c.ClientAuthPluginManager : [ClientAuthPluginManager] Load ClientAuthService com.alibaba.nacos.client.auth.ram.RamClientAuthServiceImpl success. 2025-08-23T08:28:42.031+08:00 WARN 18276 --- [langchain4j-01helloworld] [ main] trationDelegate$BeanPostProcessorChecker : Bean 'nacosConfigManager' of type [com.alibaba.cloud.nacos.NacosConfigManager] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying). Is this bean getting eagerly injected/applied to a currently created BeanPostProcessor [nacosAnnotationProcessor]? Check the corresponding BeanPostProcessor declaration and its dependencies/advisors. If this bean does not have to be post-processed, declare it with ROLE_INFRASTRUCTURE. 2025-08-23T08:28:42.171+08:00 INFO 18276 --- [langchain4j-01helloworld] [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port 9001 (http) 2025-08-23T08:28:42.182+08:00 INFO 18276 --- [langchain4j-01helloworld] [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat] 2025-08-23T08:28:42.182+08:00 INFO 18276 --- [langchain4j-01helloworld] [ main] o.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/10.1.41] 2025-08-23T08:28:42.248+08:00 INFO 18276 --- [langchain4j-01helloworld] [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext 2025-08-23T08:28:42.248+08:00 INFO 18276 --- [langchain4j-01helloworld] [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 734 ms 2025-08-23T08:28:42.687+08:00 WARN 18276 --- [langchain4j-01helloworld] [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dashscopeRerankModel' defined in class path resource [com/alibaba/cloud/ai/autoconfigure/dashscope/DashScopeAutoConfiguration$DashScopeRerankConfiguration.class]: Failed to instantiate [com.alibaba.cloud.ai.dashscope.rerank.DashScopeRerankModel]: Factory method 'dashscopeRerankModel' threw exception with message: DashScope API key must be set. Use the connection property: spring.ai.dashscope.api-key or spring.ai.dashscope.rerank.api-key property. 2025-08-23T08:28:42.689+08:00 INFO 18276 --- [langchain4j-01helloworld] [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat] 2025-08-23T08:28:42.697+08:00 INFO 18276 --- [langchain4j-01helloworld] [ main] .s.b.a.l.ConditionEvaluationReportLogger : Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled. 2025-08-23T08:28:42.708+08:00 ERROR 18276 --- [langchain4j-01helloworld] [ main] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dashscopeRerankModel' defined in class path resource [com/alibaba/cloud/ai/autoconfigure/dashscope/DashScopeAutoConfiguration$DashScopeRerankConfiguration.class]: Failed to instantiate [com.alibaba.cloud.ai.dashscope.rerank.DashScopeRerankModel]: Factory method 'dashscopeRerankModel' threw exception with message: DashScope API key must be set. Use the connection property: spring.ai.dashscope.api-key or spring.ai.dashscope.rerank.api-key property. at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:657) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:645) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1375) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1205) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:569) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:529) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:339) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:373) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:337) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.DefaultListableBeanFactory.instantiateSingleton(DefaultListableBeanFactory.java:1222) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingleton(DefaultListableBeanFactory.java:1188) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:1123) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:987) ~[spring-context-6.2.7.jar:6.2.7] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:627) ~[spring-context-6.2.7.jar:6.2.7] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:753) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:439) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.run(SpringApplication.java:318) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1362) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1351) ~[spring-boot-3.5.0.jar:3.5.0] at com.atguigu.study.HelloLangChain4JApp.main(HelloLangChain4JApp.java:12) ~[classes/:na] Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.alibaba.cloud.ai.dashscope.rerank.DashScopeRerankModel]: Factory method 'dashscopeRerankModel' threw exception with message: DashScope API key must be set. Use the connection property: spring.ai.dashscope.api-key or spring.ai.dashscope.rerank.api-key property. at org.springframework.beans.factory.support.SimpleInstantiationStrategy.lambda$instantiate$0(SimpleInstantiationStrategy.java:199) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiateWithFactoryMethod(SimpleInstantiationStrategy.java:88) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:168) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653) ~[spring-beans-6.2.7.jar:6.2.7] ... 21 common frames omitted Caused by: java.lang.IllegalArgumentException: DashScope API key must be set. Use the connection property: spring.ai.dashscope.api-key or spring.ai.dashscope.rerank.api-key property. at org.springframework.util.Assert.hasText(Assert.java:253) ~[spring-core-6.2.7.jar:6.2.7] at com.alibaba.cloud.ai.autoconfigure.dashscope.DashScopeConnectionUtils.resolveConnectionProperties(DashScopeConnectionUtils.java:66) ~[spring-ai-alibaba-autoconfigure-1.0.0-M6.1.jar:1.0.0-M6.1] at com.alibaba.cloud.ai.autoconfigure.dashscope.DashScopeAutoConfiguration$DashScopeRerankConfiguration.dashscopeRerankModel(DashScopeAutoConfiguration.java:415) ~[spring-ai-alibaba-autoconfigure-1.0.0-M6.1.jar:1.0.0-M6.1] at com.alibaba.cloud.ai.autoconfigure.dashscope.DashScopeAutoConfiguration$DashScopeRerankConfiguration$$SpringCGLIB$$0.CGLIB$dashscopeRerankModel$0(<generated>) ~[spring-ai-alibaba-autoconfigure-1.0.0-M6.1.jar:1.0.0-M6.1] at com.alibaba.cloud.ai.autoconfigure.dashscope.DashScopeAutoConfiguration$DashScopeRerankConfiguration$$SpringCGLIB$$FastClass$$1.invoke(<generated>) ~[spring-ai-alibaba-autoconfigure-1.0.0-M6.1.jar:1.0.0-M6.1] at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:258) ~[spring-core-6.2.7.jar:6.2.7] at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:393) ~[spring-context-6.2.7.jar:6.2.7] at com.alibaba.cloud.ai.autoconfigure.dashscope.DashScopeAutoConfiguration$DashScopeRerankConfiguration$$SpringCGLIB$$0.dashscopeRerankModel(<generated>) ~[spring-ai-alibaba-autoconfigure-1.0.0-M6.1.jar:1.0.0-M6.1] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.lambda$instantiate$0(SimpleInstantiationStrategy.java:171) ~[spring-beans-6.2.7.jar:6.2.7] ... 24 common frames omitted 什么错误怎么解决
08-24
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