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Jackson-based message converters do not log warning for serializer not found

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Issue: SPR-14163
This commit is contained in:
Juergen Hoeller
2016-04-14 14:13:13 +02:00
parent 7e55b0822f
commit 5f4e838f41
3 changed files with 53 additions and 39 deletions
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48
spring-messaging/src/main/java/org/springframework/messaging/converter/MappingJackson2MessageConverter.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 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.
@@ -20,6 +20,7 @@ import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.reflect.Type;
import java.nio.charset.Charset;
import java.util.Arrays;
import java.util.concurrent.atomic.AtomicReference;
@@ -30,6 +31,7 @@ import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.util.DefaultPrettyPrinter;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.MapperFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
@@ -136,42 +138,49 @@ public class MappingJackson2MessageConverter extends AbstractMessageConverter {
@Override
protected boolean canConvertFrom(Message<?> message, Class<?> targetClass) {
if (targetClass == null) {
if (targetClass == null || !supportsMimeType(message.getHeaders())) {
return false;
}
JavaType javaType = this.objectMapper.constructType(targetClass);
if (!logger.isWarnEnabled()) {
return (this.objectMapper.canDeserialize(javaType) && supportsMimeType(message.getHeaders()));
return this.objectMapper.canDeserialize(javaType);
}
AtomicReference<Throwable> causeRef = new AtomicReference<Throwable>();
if (this.objectMapper.canDeserialize(javaType, causeRef) && supportsMimeType(message.getHeaders())) {
if (this.objectMapper.canDeserialize(javaType, causeRef)) {
return true;
}
Throwable cause = causeRef.get();
if (cause != null) {
String msg = "Failed to evaluate deserialization for type " + javaType;
if (logger.isDebugEnabled()) {
logger.warn(msg, cause);
}
else {
logger.warn(msg + ": " + cause);
}
}
logWarningIfNecessary(javaType, causeRef.get());
return false;
}
@Override
protected boolean canConvertTo(Object payload, MessageHeaders headers) {
if (payload == null || !supportsMimeType(headers)) {
return false;
}
if (!logger.isWarnEnabled()) {
return (this.objectMapper.canSerialize(payload.getClass()) && supportsMimeType(headers));
return this.objectMapper.canSerialize(payload.getClass());
}
AtomicReference<Throwable> causeRef = new AtomicReference<Throwable>();
if (this.objectMapper.canSerialize(payload.getClass(), causeRef) && supportsMimeType(headers)) {
if (this.objectMapper.canSerialize(payload.getClass(), causeRef)) {
return true;
}
Throwable cause = causeRef.get();
if (cause != null) {
String msg = "Failed to evaluate serialization for type [" + payload.getClass() + "]";
logWarningIfNecessary(payload.getClass(), causeRef.get());
return false;
}
/**
* Determine whether to log the given exception coming from a
* {@link ObjectMapper#canDeserialize} / {@link ObjectMapper#canSerialize} check.
* @param type the class that Jackson tested for (de-)serializability
* @param cause the Jackson-thrown exception to evaluate
* (typically a {@link JsonMappingException})
* @since 4.3
*/
protected void logWarningIfNecessary(Type type, Throwable cause) {
if (cause != null && !(cause instanceof JsonMappingException && cause.getMessage().startsWith("Can not find"))) {
String msg = "Failed to evaluate Jackson " + (type instanceof JavaType ? "de" : "") +
"serialization for type [" + type + "]";
if (logger.isDebugEnabled()) {
logger.warn(msg, cause);
}
@@ -179,7 +188,6 @@ public class MappingJackson2MessageConverter extends AbstractMessageConverter {
logger.warn(msg + ": " + cause);
}
}
return false;
}
@Override