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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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32
spring-web/src/main/java/org/springframework/http/converter/json/AbstractJackson2HttpMessageConverter.java
View File

@@ -27,6 +27,7 @@ import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.util.DefaultPrettyPrinter;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import com.fasterxml.jackson.databind.SerializationFeature;
@@ -148,16 +149,7 @@ public abstract class AbstractJackson2HttpMessageConverter extends AbstractGener
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;
}
@@ -173,9 +165,22 @@ public abstract class AbstractJackson2HttpMessageConverter extends AbstractGener
if (this.objectMapper.canSerialize(clazz, causeRef)) {
return true;
}
Throwable cause = causeRef.get();
if (cause != null) {
String msg = "Failed to evaluate serialization for type [" + clazz + "]";
logWarningIfNecessary(clazz, 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);
}
@@ -183,7 +188,6 @@ public abstract class AbstractJackson2HttpMessageConverter extends AbstractGener
logger.warn(msg + ": " + cause);
}
}
return false;
}
@Override

12
spring-web/src/test/java/org/springframework/http/converter/json/MappingJackson2HttpMessageConverterTests.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.
@@ -31,7 +31,6 @@ import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ser.FilterProvider;
import com.fasterxml.jackson.databind.ser.impl.SimpleBeanPropertyFilter;
import com.fasterxml.jackson.databind.ser.impl.SimpleFilterProvider;
import org.junit.Test;
import org.springframework.core.ParameterizedTypeReference;
@@ -68,9 +67,7 @@ public class MappingJackson2HttpMessageConverterTests {
assertTrue(converter.canWrite(Map.class, new MediaType("application", "json")));
}
// SPR-7905
@Test
@Test // SPR-7905
public void canReadAndWriteMicroformats() {
assertTrue(converter.canRead(MyBean.class, new MediaType("application", "vnd.test-micro-type+json")));
assertTrue(converter.canWrite(MyBean.class, new MediaType("application", "vnd.test-micro-type+json")));
@@ -439,9 +436,12 @@ public class MappingJackson2HttpMessageConverterTests {
}
}
private interface MyJacksonView1 {};
private interface MyJacksonView2 {};
@SuppressWarnings("unused")
private static class JacksonViewBean {
@@ -478,11 +478,13 @@ public class MappingJackson2HttpMessageConverterTests {
}
}
@JsonFilter("myJacksonFilter")
@SuppressWarnings("unused")
private static class JacksonFilteredBean {
private String property1;
private String property2;
public String getProperty1() {