I get error when read cached resposne in spring cloud gateway

[mehrdadbozorgmehr]

I got this error when read from cached response

at org.springframework.http.ReadOnlyHttpHeaders.set(ReadOnlyHttpHeaders.java:108)
at org.springframework.http.HttpHeaders.setContentLength(HttpHeaders.java:963)
at org.springframework.http.codec.EncoderHttpMessageWriter.lambda$write$1(EncoderHttpMessageWriter.java:135)
at reactor.core.publisher.MonoFlatMap$FlatMapMain.onNext(MonoFlatMap.java:132)
at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:74)
at reactor.core.publisher.Operators$MonoInnerProducerBase.complete(Operators.java:2842)
at reactor.core.publisher.MonoSingle$SingleSubscriber.onComplete(MonoSingle.java:180)
at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onComplete(FluxMapFuseable.java:152)
at reactor.core.publisher.Operators$ScalarSubscription.request(Operators.java:2573)
at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.request(FluxMapFuseable.java:171)
at reactor.core.publisher.MonoSingle$SingleSubscriber.doOnRequest(MonoSingle.java:103)
at reactor.core.publisher.Operators$MonoInnerProducerBase.request(Operators.java:2909)
at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.set(Operators.java:2367)
at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.onSubscribe(Operators.java:2241)
at reactor.core.publisher.MonoSingle$SingleSubscriber.onSubscribe(MonoSingle.java:115)
at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onSubscribe(FluxMapFuseable.java:96)
at reactor.core.publisher.MonoJust.subscribe(MonoJust.java:55)
at reactor.core.publisher.FluxFromMonoOperator.subscribe(FluxFromMonoOperator.java:85)
at reactor.core.publisher.FluxDeferContextual.subscribe(FluxDeferContextual.java:57)
at reactor.core.publisher.Mono.subscribe(Mono.java:4512)
at reactor.core.publisher.FluxFlatMap.trySubscribeScalarMap(FluxFlatMap.java:202)
at reactor.core.publisher.MonoFlatMap.subscribeOrReturn(MonoFlatMap.java:53)
at reactor.core.publisher.InternalMonoOperator.subscribe(InternalMonoOperator.java:63)
at reactor.core.publisher.MonoFlatMap$FlatMapMain.onNext(MonoFlatMap.java:165)
at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onNext(FluxOnErrorResume.java:79)
at reactor.core.publisher.MonoFlatMap$FlatMapMain.onNext(MonoFlatMap.java:158)
at reactor.core.publisher.MonoZip$ZipCoordinator.signal(MonoZip.java:297)
at reactor.core.publisher.MonoZip$ZipInner.onNext(MonoZip.java:478)
at reactor.core.publisher.Operators$ScalarSubscription.request(Operators.java:2571)
at reactor.core.publisher.MonoZip$ZipInner.onSubscribe(MonoZip.java:470)
at reactor.core.publisher.MonoJust.subscribe(MonoJust.java:55)
at reactor.core.publisher.MonoZip$ZipCoordinator.request(MonoZip.java:220)
at reactor.core.publisher.MonoFlatMap$FlatMapMain.request(MonoFlatMap.java:194)
at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.set(Operators.java:2367)
at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onSubscribe(FluxOnErrorResume.java:74)
at reactor.core.publisher.MonoFlatMap$FlatMapMain.onSubscribe(MonoFlatMap.java:117)
at reactor.core.publisher.MonoZip.subscribe(MonoZip.java:129)
at reactor.core.publisher.Mono.subscribe(Mono.java:4512)
at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onError(FluxOnErrorResume.java:103)
at reactor.core.publisher.MonoIgnoreThen$ThenIgnoreMain.onError(MonoIgnoreThen.java:280)
at reactor.core.publisher.FluxDoFinally$DoFinallySubscriber.onError(FluxDoFinally.java:119)
at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.onError(Operators.java:2236)
at reactor.core.publisher.Operators.error(Operators.java:198)
at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:49)
at reactor.core.publisher.Mono.subscribe(Mono.java:4512)
at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:82)
at reactor.core.publisher.MonoFlatMap$FlatMapMain.secondComplete(MonoFlatMap.java:250)
at reactor.core.publisher.MonoFlatMap$FlatMapInner.onComplete(MonoFlatMap.java:324)
at reactor.core.publisher.MonoPeekTerminal$MonoTerminalPeekSubscriber.onComplete(MonoPeekTerminal.java:299)
at org.springframework.http.server.reactive.ChannelSendOperator$WriteCompletionBarrier.onComplete(ChannelSendOperator.java:423)

	this my code :
	`    @Override
public GatewayFilter apply(Config config) {
    return new OrderedGatewayFilter((exchange, chain) -> {
        if (!config.isEnabled()) {
            return chain.filter(exchange);
        }
        String key = getKey(config, exchange);
        return redisOperations.opsForValue().get(key)
                .flatMap(cacheResponseDTO -> {
                    Gson gson = new Gson();
                    if (!ObjectUtils.isEmpty(cacheResponseDTO)) {
                        final ServerHttpResponse serverHttpResponse = exchange.getResponse();
                        serverHttpResponse.setStatusCode(HttpStatusCode.valueOf(cacheResponseDTO.getHttpStatus()));
                        serverHttpResponse.beforeCommit(() -> {
                            HttpHeaders deserializedHeaders = gson.fromJson(cacheResponseDTO.getHeaders(), HttpHeaders.class);
                            serverHttpResponse.getHeaders().setAll(deserializedHeaders.toSingleValueMap());

                            return Mono.empty();
                        });
                        final DataBuffer buffer = serverHttpResponse.bufferFactory().wrap(cacheResponseDTO.getBody());
                        return serverHttpResponse.writeWith(Flux.just(buffer));
                    } else {
                        exchange.getResponse().getHeaders().add("X-Cache-Status", "MISS");
                        ServerHttpResponse decoratedResponse = getDecoratedResponse(key, exchange, config);
                        return chain.filter(exchange.mutate().response(decoratedResponse).build());
                    }
                })
                .switchIfEmpty(Mono.defer(() -> {
                    exchange.getResponse().getHeaders().add("X-Cache-Status", "MISS");
                    ServerHttpResponse decoratedResponse = getDecoratedResponse(key, exchange, config);
                    return chain.filter(exchange.mutate().response(decoratedResponse).build());
                }));
    }, NettyWriteResponseFilter.WRITE_RESPONSE_FILTER_ORDER - 1);`