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Move blocking writeResource operation to boundedElastic #30928

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Move blocking writeResource operation to boundedElastic #30928

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4 changes: 3 additions & 1 deletion spring-web/src/main/java/org/springframework/http/codec/ResourceHttpMessageWriter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,7 @@
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.lang.Nullable;
import org.springframework.util.MimeTypeUtils;
import reactor.core.scheduler.Schedulers;

/**
* {@code HttpMessageWriter} that can write a {@link Resource}.
Expand Down Expand Up @@ -110,7 +111,8 @@ public Mono<Void> write(Publisher<? extends Resource> inputStream, ResolvableTyp
@Nullable MediaType mediaType, ReactiveHttpOutputMessage message, Map<String, Object> hints) {

return Mono.from(inputStream).flatMap(resource ->
writeResource(resource, elementType, mediaType, message, hints));
writeResource(resource, elementType, mediaType, message, hints))
.subscribeOn(Schedulers.boundedElastic());
}

private Mono<Void> writeResource(Resource resource, ResolvableType type, @Nullable MediaType mediaType,
Expand Down