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spring boot - ChatClient$Builder that could not be found - Stack Overflow

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I am newbie using GenAI APIs, however all suggestion around web were working fine until last month.Fro

I am newbie using GenAI APIs, however all suggestion around web were working fine until last month. From this March,2025, I have found those suggestions are not helping anymore. though I have created profile in openAI and DeepSeek and have token.

Please check below code ref and error logs, to help me with correct guidance in this new growing arena.

Controller code

@RestController
public class AIController {
    
    private ChatClient.Builder chatClientBuilder;
    
     @GetMapping("/spring-ai/prompt")
     public Flux<String> promptResponse(@RequestParam("message") String message) {
      ChatClient chatClient = chatClientBuilder.build();
      Flux<String> response = chatClient.prompt(message).stream().content();
      return response;
     }
}

Dependency :

<dependency>
            <groupId>.springframework.ai</groupId>
            <artifactId>spring-ai-openai</artifactId>
            <version>1.0.0-M6</version>
        </dependency>

<repositories>
        <repository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>;/url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
        <repository>
            <id>spring-snapshots</id>
            <name>Spring Snapshots</name>
            <url>;/url>
            <releases>
                <enabled>false</enabled>
            </releases>
        </repository>
    </repositories>

Logs are below:

2025-03-07T17:31:12.990-05:00[0;39m [31mERROR[0;39m [35m2100[0;39m [2m---[0;39m [2m[nio-8080-exec-2][0;39m [36mo.a.c.c.C.[.[.[.[dispatcherServlet]     [0;39m [2m:[0;39m Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed: java.lang.NullPointerException: Cannot invoke ".springframework.ai.chat.client.ChatClient$Builder.build()" because "this.chatClientBuilder" is null] with root cause

java.lang.NullPointerException: Cannot invoke ".springframework.ai.chat.client.ChatClient$Builder.build()" because "this.chatClientBuilder" is null
    at demo.demo.chatProcessor.AIController.promptResponse(AIController.java:41) ~[classes/:?]
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
    at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
    at .springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:207) ~[spring-web-6.0.7.jar:6.0.7]
    at .springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:152) ~[spring-web-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:118) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:884) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1081) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:974) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1011) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:537) ~[tomcat-embed-core-10.1.7.jar:6.0]
    at .springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:631) ~[tomcat-embed-core-10.1.7.jar:6.0]
    at .apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:205) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-10.1.7.jar:10.1.7]
    at .apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-6.0.7.jar:6.0.7]
    at .springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.7.jar:6.0.7]
    at .apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-6.0.7.jar:6.0.7]
    at .springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.7.jar:6.0.7]
    at .apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-6.0.7.jar:6.0.7]
    at .springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.7.jar:6.0.7]
    at .apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:166) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.coyote.http11.Http11Processor.service(Http11Processor.java:390) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:894) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.tomcat.util.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1741) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.tomcat.util.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at java.lang.Thread.run(Thread.java:833) ~[?:?]

I am newbie using GenAI APIs, however all suggestion around web were working fine until last month. From this March,2025, I have found those suggestions are not helping anymore. though I have created profile in openAI and DeepSeek and have token.

Please check below code ref and error logs, to help me with correct guidance in this new growing arena.

Controller code

@RestController
public class AIController {
    
    private ChatClient.Builder chatClientBuilder;
    
     @GetMapping("/spring-ai/prompt")
     public Flux<String> promptResponse(@RequestParam("message") String message) {
      ChatClient chatClient = chatClientBuilder.build();
      Flux<String> response = chatClient.prompt(message).stream().content();
      return response;
     }
}

Dependency :

<dependency>
            <groupId>.springframework.ai</groupId>
            <artifactId>spring-ai-openai</artifactId>
            <version>1.0.0-M6</version>
        </dependency>

<repositories>
        <repository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>https://repo.spring.io/milestone</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
        <repository>
            <id>spring-snapshots</id>
            <name>Spring Snapshots</name>
            <url>https://repo.spring.io/snapshot</url>
            <releases>
                <enabled>false</enabled>
            </releases>
        </repository>
    </repositories>

Logs are below:

2025-03-07T17:31:12.990-05:00[0;39m [31mERROR[0;39m [35m2100[0;39m [2m---[0;39m [2m[nio-8080-exec-2][0;39m [36mo.a.c.c.C.[.[.[.[dispatcherServlet]     [0;39m [2m:[0;39m Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed: java.lang.NullPointerException: Cannot invoke ".springframework.ai.chat.client.ChatClient$Builder.build()" because "this.chatClientBuilder" is null] with root cause

java.lang.NullPointerException: Cannot invoke ".springframework.ai.chat.client.ChatClient$Builder.build()" because "this.chatClientBuilder" is null
    at demo.demo.chatProcessor.AIController.promptResponse(AIController.java:41) ~[classes/:?]
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
    at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
    at .springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:207) ~[spring-web-6.0.7.jar:6.0.7]
    at .springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:152) ~[spring-web-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:118) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:884) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1081) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:974) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1011) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at .springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:537) ~[tomcat-embed-core-10.1.7.jar:6.0]
    at .springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885) ~[spring-webmvc-6.0.7.jar:6.0.7]
    at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:631) ~[tomcat-embed-core-10.1.7.jar:6.0]
    at .apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:205) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-10.1.7.jar:10.1.7]
    at .apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-6.0.7.jar:6.0.7]
    at .springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.7.jar:6.0.7]
    at .apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-6.0.7.jar:6.0.7]
    at .springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.7.jar:6.0.7]
    at .apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-6.0.7.jar:6.0.7]
    at .springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.7.jar:6.0.7]
    at .apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:166) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.coyote.http11.Http11Processor.service(Http11Processor.java:390) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:894) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.tomcat.util.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1741) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.tomcat.util.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at .apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-10.1.7.jar:10.1.7]
    at java.lang.Thread.run(Thread.java:833) ~[?:?]
  • spring-boot
  • chatbot
  • openai-api
  • spring-ai
Share edited Mar 11 at 14:20 Vineet Tripathi asked Mar 7 at 22:49 Vineet TripathiVineet Tripathi 431 silver badge6 bronze badges 1
  • Does above details are sufficient for the people to understand my issue ? Please let me know if any additional information is needed. – Vineet Tripathi Commented Mar 10 at 18:22
Add a comment  | 

2 Answers 2

Reset to default 0

please add ,it should resolve the issue

<dependency>
    <groupId>.springframework.ai</groupId>
    <artifactId>spring-ai-openai-spring-boot-starter</artifactId>
</dependency>

After numerous solutions, the one which works for chat API and image API, using Spring AI:

Try version 3.2.3 of Spring Boot, see Spring AI auto config exception: Could not find class RestClientAutoConfiguration

发布者：admin，转转请注明出处：http://www.yc00.com/questions/1744907807a4600362.html

adminadmin
0

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  • spring boot - ChatClient$Builder that could not be found - Stack Overflowquestions

    spring boot - ChatClient$Builder that could not be found - Stack Overflow

    I am newbie using GenAI APIs, however all suggestion around web were working fine until last month.Fro

    adminadmin
    1天前
    50

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