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Disable Jackson's buffer recyling feature for WebFlux 

Issue: SPR-17193
This commit is contained in:
Rossen Stoyanchev 2018-09-06 16:20:03 -04:00
parent 2163fa94a7
commit f30d19b724
1 changed files with 12 additions and 9 deletions
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21
spring-web/src/main/java/org/springframework/http/codec/json/AbstractJackson2Decoder.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -56,11 +56,20 @@ import org.springframework.util.MimeType;
*/
public abstract class AbstractJackson2Decoder extends Jackson2CodecSupport implements HttpMessageDecoder<Object> {
/**
* Until https://github.com/FasterXML/jackson-core/issues/476 is resolved,
* we need to ensure buffer recycling is off.
*/
private final JsonFactory jsonFactory;
/**
* Constructor with a Jackson {@link ObjectMapper} to use.
*/
protected AbstractJackson2Decoder(ObjectMapper mapper, MimeType... mimeTypes) {
super(mapper, mimeTypes);
this.jsonFactory = mapper.getFactory().copy()
.disable(JsonFactory.Feature.USE_THREAD_LOCAL_FOR_BUFFER_RECYCLING);
}
@ -76,7 +85,7 @@ public abstract class AbstractJackson2Decoder extends Jackson2CodecSupport imple
public Flux<Object> decode(Publisher<DataBuffer> input, ResolvableType elementType,
@Nullable MimeType mimeType, @Nullable Map<String, Object> hints) {
Flux<TokenBuffer> tokens = tokenize(input, true);
Flux<TokenBuffer> tokens = Jackson2Tokenizer.tokenize(Flux.from(input), this.jsonFactory, true);
return decodeInternal(tokens, elementType, mimeType, hints);
}
@ -84,16 +93,10 @@ public abstract class AbstractJackson2Decoder extends Jackson2CodecSupport imple
public Mono<Object> decodeToMono(Publisher<DataBuffer> input, ResolvableType elementType,
@Nullable MimeType mimeType, @Nullable Map<String, Object> hints) {
Flux<TokenBuffer> tokens = tokenize(input, false);
Flux<TokenBuffer> tokens = Jackson2Tokenizer.tokenize(Flux.from(input), this.jsonFactory, false);
return decodeInternal(tokens, elementType, mimeType, hints).singleOrEmpty();
}
private Flux<TokenBuffer> tokenize(Publisher<DataBuffer> input, boolean tokenizeArrayElements) {
Flux<DataBuffer> inputFlux = Flux.from(input);
JsonFactory factory = getObjectMapper().getFactory();
return Jackson2Tokenizer.tokenize(inputFlux, factory, tokenizeArrayElements);
}
private Flux<Object> decodeInternal(Flux<TokenBuffer> tokens, ResolvableType elementType,
@Nullable MimeType mimeType, @Nullable Map<String, Object> hints) {