proyy opened a new issue, #3971: URL: https://github.com/apache/hertzbeat/issues/3971
### Is there an existing issue for this? - [x] I have searched the existing issues ### Current Behavior [BUG] HertzBeat AI 400 Bad Request from POST When the HertzBeat AI chatbot is fully and correctly configured, and after multiple confirmations that the AI provider settings are correct—including the AI provider, API key, base URL: https://api.deepseek.com/v1, and model deepseek-reasoner—the frontend reports an error for any conversation: AI Assistant An error occurred: 400 Bad Request from POST https://api.deepseek.com/v1/chat/completions The backend service log stack is as follows: ` 2026-01-15 10:59:54 [reactor-http-epoll-6] ERROR org.springframework.ai.chat.model.MessageAggregator - Aggregation Error 2026-01-15T10:59:54.454975323+08:00 org.springframework.web.reactive.function.client.WebClientResponseException$BadRequest: 400 Bad Request from POST https://api.deepseek.com/v1/chat/completions 2026-01-15T10:59:54.454980895+08:00 at org.springframework.web.reactive.function.client.WebClientResponseException.create(WebClientResponseException.java:321) 2026-01-15T10:59:54.454984579+08:00 Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException: 2026-01-15T10:59:54.454988119+08:00 Error has been observed at the following site(s): 2026-01-15T10:59:54.454993791+08:00 *__checkpoint ⇢ 400 BAD_REQUEST from POST https://api.deepseek.com/v1/chat/completions [DefaultWebClient] 2026-01-15T10:59:54.454997134+08:00 Original Stack Trace: 2026-01-15T10:59:54.455000107+08:00 at org.springframework.web.reactive.function.client.WebClientResponseException.create(WebClientResponseException.java:321) 2026-01-15T10:59:54.455004059+08:00 at org.springframework.web.reactive.function.client.DefaultClientResponse.lambda$createException$1(DefaultClientResponse.java:214) 2026-01-15T10:59:54.455009769+08:00 at reactor.core.publisher.FluxMap$MapSubscriber.onNext(FluxMap.java:106) 2026-01-15T10:59:54.455013059+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onNext(TracingSubscriber.java:68) 2026-01-15T10:59:54.455017461+08:00 at reactor.core.publisher.FluxOnErrorReturn$ReturnSubscriber.onNext(FluxOnErrorReturn.java:162) 2026-01-15T10:59:54.455021209+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onNext(TracingSubscriber.java:68) 2026-01-15T10:59:54.455024290+08:00 at reactor.core.publisher.FluxDefaultIfEmpty$DefaultIfEmptySubscriber.onNext(FluxDefaultIfEmpty.java:122) 2026-01-15T10:59:54.455027221+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onNext(TracingSubscriber.java:68) 2026-01-15T10:59:54.455030505+08:00 at reactor.core.publisher.FluxHide$SuppressFuseableSubscriber.onNext(FluxHide.java:137) 2026-01-15T10:59:54.455033460+08:00 at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onNext(FluxMapFuseable.java:129) 2026-01-15T10:59:54.455036399+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onNext(TracingSubscriber.java:68) 2026-01-15T10:59:54.455039333+08:00 at reactor.core.publisher.FluxHide$SuppressFuseableSubscriber.onNext(FluxHide.java:137) 2026-01-15T10:59:54.455047352+08:00 at reactor.core.publisher.FluxContextWrite$ContextWriteSubscriber.onNext(FluxContextWrite.java:107) 2026-01-15T10:59:54.455050492+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onNext(TracingSubscriber.java:68) 2026-01-15T10:59:54.455094141+08:00 at reactor.core.publisher.FluxHide$SuppressFuseableSubscriber.onNext(FluxHide.java:137) 2026-01-15T10:59:54.455097479+08:00 at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onNext(FluxMapFuseable.java:129) 2026-01-15T10:59:54.455100441+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onNext(TracingSubscriber.java:68) 2026-01-15T10:59:54.455103420+08:00 at reactor.core.publisher.FluxHide$SuppressFuseableSubscriber.onNext(FluxHide.java:137) 2026-01-15T10:59:54.455106315+08:00 at reactor.core.publisher.FluxFilterFuseable$FilterFuseableSubscriber.onNext(FluxFilterFuseable.java:118) 2026-01-15T10:59:54.455109264+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onNext(TracingSubscriber.java:68) 2026-01-15T10:59:54.455112217+08:00 at reactor.core.publisher.FluxHide$SuppressFuseableSubscriber.onNext(FluxHide.java:137) 2026-01-15T10:59:54.455115304+08:00 at reactor.core.publisher.Operators$BaseFluxToMonoOperator.completePossiblyEmpty(Operators.java:2097) 2026-01-15T10:59:54.455118507+08:00 at reactor.core.publisher.MonoCollect$CollectSubscriber.onComplete(MonoCollect.java:145) 2026-01-15T10:59:54.455121434+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onComplete(TracingSubscriber.java:92) 2026-01-15T10:59:54.455124791+08:00 at reactor.core.publisher.FluxMap$MapSubscriber.onComplete(FluxMap.java:144) 2026-01-15T10:59:54.455127657+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onComplete(TracingSubscriber.java:92) 2026-01-15T10:59:54.455130597+08:00 at reactor.core.publisher.FluxPeek$PeekSubscriber.onComplete(FluxPeek.java:260) 2026-01-15T10:59:54.455133667+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onComplete(TracingSubscriber.java:92) 2026-01-15T10:59:54.455136638+08:00 at reactor.core.publisher.FluxMap$MapSubscriber.onComplete(FluxMap.java:144) 2026-01-15T10:59:54.455139612+08:00 at reactor.netty.channel.FluxReceive.onInboundComplete(FluxReceive.java:413) 2026-01-15T10:59:54.455142561+08:00 at reactor.netty.channel.ChannelOperations.onInboundComplete(ChannelOperations.java:455) 2026-01-15T10:59:54.455145454+08:00 at reactor.netty.channel.ChannelOperations.terminate(ChannelOperations.java:509) 2026-01-15T10:59:54.455148455+08:00 at reactor.netty.http.client.HttpClientOperations.onInboundNext(HttpClientOperations.java:819) 2026-01-15 10:59:54 [reactor-http-epoll-6] ERROR org.springframework.ai.chat.model.MessageAggregator - Aggregation Error 2026-01-15T10:59:54.454975323+08:00 org.springframework.web.reactive.function.client.WebClientResponseException$BadRequest: 400 Bad Request from POST https://api.deepseek.com/v1/chat/completions 2026-01-15T10:59:54.454980895+08:00 at org.springframework.web.reactive.function.client.WebClientResponseException.create(WebClientResponseException.java:321) 2026-01-15T10:59:54.454984579+08:00 Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException: 2026-01-15T10:59:54.454988119+08:00 Error has been observed at the following site(s): 2026-01-15T10:59:54.454993791+08:00 *__checkpoint ⇢ 400 BAD_REQUEST from POST https://api.deepseek.com/v1/chat/completions [DefaultWebClient] 2026-01-15T10:59:54.454997134+08:00 Original Stack Trace: 2026-01-15T10:59:54.455000107+08:00 at org.springframework.web.reactive.function.client.WebClientResponseException.create(WebClientResponseException.java:321) 2026-01-15T10:59:54.455004059+08:00 at org.springframework.web.reactive.function.client.DefaultClientResponse.lambda$createException$1(DefaultClientResponse.java:214) 2026-01-15T10:59:54.455009769+08:00 at reactor.core.publisher.FluxMap$MapSubscriber.onNext(FluxMap.java:106) 2026-01-15T10:59:54.455013059+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onNext(TracingSubscriber.java:68) 2026-01-15T10:59:54.455017461+08:00 at reactor.core.publisher.FluxOnErrorReturn$ReturnSubscriber.onNext(FluxOnErrorReturn.java:162) 2026-01-15T10:59:54.455021209+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onNext(TracingSubscriber.java:68) 2026-01-15T10:59:54.455024290+08:00 at reactor.core.publisher.FluxDefaultIfEmpty$DefaultIfEmptySubscriber.onNext(FluxDefaultIfEmpty.java:122) 2026-01-15T10:59:54.455027221+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onNext(TracingSubscriber.java:68) 2026-01-15T10:59:54.455030505+08:00 at reactor.core.publisher.FluxHide$SuppressFuseableSubscriber.onNext(FluxHide.java:137) 2026-01-15T10:59:54.455033460+08:00 at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onNext(FluxMapFuseable.java:129) 2026-01-15T10:59:54.455036399+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onNext(TracingSubscriber.java:68) 2026-01-15T10:59:54.455039333+08:00 at reactor.core.publisher.FluxHide$SuppressFuseableSubscriber.onNext(FluxHide.java:137) 2026-01-15T10:59:54.455047352+08:00 at reactor.core.publisher.FluxContextWrite$ContextWriteSubscriber.onNext(FluxContextWrite.java:107) 2026-01-15T10:59:54.455050492+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onNext(TracingSubscriber.java:68) 2026-01-15T10:59:54.455094141+08:00 at reactor.core.publisher.FluxHide$SuppressFuseableSubscriber.onNext(FluxHide.java:137) 2026-01-15T10:59:54.455097479+08:00 at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onNext(FluxMapFuseable.java:129) 2026-01-15T10:59:54.455100441+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onNext(TracingSubscriber.java:68) 2026-01-15T10:59:54.455103420+08:00 at reactor.core.publisher.FluxHide$SuppressFuseableSubscriber.onNext(FluxHide.java:137) 2026-01-15T10:59:54.455106315+08:00 at reactor.core.publisher.FluxFilterFuseable$FilterFuseableSubscriber.onNext(FluxFilterFuseable.java:118) 2026-01-15T10:59:54.455109264+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onNext(TracingSubscriber.java:68) 2026-01-15T10:59:54.455112217+08:00 at reactor.core.publisher.FluxHide$SuppressFuseableSubscriber.onNext(FluxHide.java:137) 2026-01-15T10:59:54.455115304+08:00 at reactor.core.publisher.Operators$BaseFluxToMonoOperator.completePossiblyEmpty(Operators.java:2097) 2026-01-15T10:59:54.455118507+08:00 at reactor.core.publisher.MonoCollect$CollectSubscriber.onComplete(MonoCollect.java:145) 2026-01-15T10:59:54.455121434+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onComplete(TracingSubscriber.java:92) 2026-01-15T10:59:54.455124791+08:00 at reactor.core.publisher.FluxMap$MapSubscriber.onComplete(FluxMap.java:144) 2026-01-15T10:59:54.455127657+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onComplete(TracingSubscriber.java:92) 2026-01-15T10:59:54.455130597+08:00 at reactor.core.publisher.FluxPeek$PeekSubscriber.onComplete(FluxPeek.java:260) 2026-01-15T10:59:54.455133667+08:00 at io.opentelemetry.instrumentation.reactor.v3_1.TracingSubscriber.onComplete(TracingSubscriber.java:92) 2026-01-15T10:59:54.455136638+08:00 at reactor.core.publisher.FluxMap$MapSubscriber.onComplete(FluxMap.java:144) 2026-01-15T10:59:54.455139612+08:00 at reactor.netty.channel.FluxReceive.onInboundComplete(FluxReceive.java:413) 2026-01-15T10:59:54.455142561+08:00 at reactor.netty.channel.ChannelOperations.onInboundComplete(ChannelOperations.java:455) 2026-01-15T10:59:54.455145454+08:00 at reactor.netty.channel.ChannelOperations.terminate(ChannelOperations.java:509) 2026-01-15T10:59:54.455148455+08:00 at reactor.netty.http.client.HttpClientOperations.onInboundNext(HttpClientOperations.java:819)` ### Expected Behavior _No response_ ### Steps To Reproduce _No response_ ### Environment ```markdown HertzBeat version(s):v1.8.0 ``` ### Debug logs _No response_ ### Anything else? _No response_ -- This is an automated message from the Apache Git Service. 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