Bug description This error is sporadic, and the occurrence rate increases when the network environment is poor

Environment org.springframework.ai spring-ai-bom 1.0.0 pom import org.springframework.ai spring-ai-starter-model-deepseek ChatResponse chatResponse = getChatClient().prompt(prompt) .system(getSystemPrompt()) .toolCallbacks(this.availableTools) .call() .chatResponse(); Steps to reproduce The issue cannot be reproduced and is sporadic

Minimal Complete Reproducible example 2025-08-07 15:36:20.414 [http-nio-8082-exec-2] [d6f010c2030c4e2980db4df4a9da0319] WARN o.s.a.r.a.SpringAiRetryAutoConfiguration - Retry error. Retry count: 1, Exception: I/O error on POST request for "https://api.deepseek.com/chat/completions": HTTP/1.1 header parser received no bytes org.springframework.web.client.ResourceAccessException: I/O error on POST request for "https://api.deepseek.com/chat/completions": HTTP/1.1 header parser received no bytes at org.springframework.web.client.DefaultRestClient$DefaultRequestBodyUriSpec.createResourceAccessException(DefaultRestClient.java:697) at org.springframework.web.client.DefaultRestClient$DefaultRequestBodyUriSpec.exchangeInternal(DefaultRestClient.java:582) at org.springframework.web.client.DefaultRestClient$DefaultRequestBodyUriSpec.exchange(DefaultRestClient.java:533) at org.springframework.web.client.RestClient$RequestHeadersSpec.exchange(RestClient.java:680) at org.springframework.web.client.DefaultRestClient$DefaultResponseSpec.executeAndExtract(DefaultRestClient.java:814) at org.springframework.web.client.DefaultRestClient$DefaultResponseSpec.toEntityInternal(DefaultRestClient.java:774) at org.springframework.web.client.DefaultRestClient$DefaultResponseSpec.toEntity(DefaultRestClient.java:763) at org.springframework.ai.deepseek.api.DeepSeekApi.chatCompletionEntity(DeepSeekApi.java:125) at org.springframework.ai.deepseek.DeepSeekChatModel.lambda$internalCall$1(DeepSeekChatModel.java:168) at org.springframework.retry.support.RetryTemplate.doExecute(RetryTemplate.java:357) at org.springframework.retry.support.RetryTemplate.execute(RetryTemplate.java:230) at org.springframework.ai.deepseek.DeepSeekChatModel.lambda$internalCall$3(DeepSeekChatModel.java:168) at io.micrometer.observation.Observation.observe(Observation.java:564) at org.springframework.ai.deepseek.DeepSeekChatModel.internalCall(DeepSeekChatModel.java:165) at org.springframework.ai.deepseek.DeepSeekChatModel.call(DeepSeekChatModel.java:150) at org.springframework.ai.chat.client.advisor.ChatModelCallAdvisor.adviseCall(ChatModelCallAdvisor.java:54) at org.springframework.ai.chat.client.advisor.DefaultAroundAdvisorChain.lambda$nextCall$1(DefaultAroundAdvisorChain.java:110) at io.micrometer.observation.Observation.observe(Observation.java:564) at org.springframework.ai.chat.client.advisor.DefaultAroundAdvisorChain.nextCall(DefaultAroundAdvisorChain.java:110) at com.pa.sitemcpclient2.advisor.MyLoggerAdvisor.adviseCall(MyLoggerAdvisor.java:61) at org.springframework.ai.chat.client.advisor.DefaultAroundAdvisorChain.lambda$nextCall$1(DefaultAroundAdvisorChain.java:110) at io.micrometer.observation.Observation.observe(Observation.java:564) at org.springframework.ai.chat.client.advisor.DefaultAroundAdvisorChain.nextCall(DefaultAroundAdvisorChain.java:110) at org.springframework.ai.chat.client.DefaultChatClient$DefaultCallResponseSpec.lambda$doGetObservableChatClientResponse$1(DefaultChatClient.java:469) at io.micrometer.observation.Observation.observe(Observation.java:564) at org.springframework.ai.chat.client.DefaultChatClient$DefaultCallResponseSpec.doGetObservableChatClientResponse(DefaultChatClient.java:467) at org.springframework.ai.chat.client.DefaultChatClient$DefaultCallResponseSpec.doGetObservableChatClientResponse(DefaultChatClient.java:446) at org.springframework.ai.chat.client.DefaultChatClient$DefaultCallResponseSpec.chatResponse(DefaultChatClient.java:435) at com.pa.sitemcpclient2.agent.ToolCallAgent.think(ToolCallAgent.java:73) at com.pa.sitemcpclient2.agent.ReActAgent.step(ReActAgent.java:39) at com.pa.sitemcpclient2.agent.BaseAgent.run(BaseAgent.java:69) at com.pa.sitemcpclient2.service.impl.ChatServiceImpl.getSiteBasicInfo(ChatServiceImpl.java:70) at com.pa.sitemcpclient2.controller.ChatController.getSiteBasicInfo(ChatController.java:28) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:568) at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:258) at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:191) at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:118) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:986) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:891) at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1089) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:979) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903) at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:564) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885) at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:195) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140) at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140) at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:483) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:116) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:398) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:903) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1769) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1189) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:658) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63) at java.base/java.lang.Thread.run(Thread.java:833)

Comment From: lishaohui1106

Not only the deepseek model, but also other models occasionally report this error when called

Comment From: wilocu

take