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fix: Lambda creation failed, fallback to parent's reflection implemen… #4012

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fix: Lambda creation failed, fallback to parent's reflection implemen… #4012

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fix: Lambda creation failed, fallback to parent's reflection implemen…
xihan123 Mar 7, 2026
62f4501
Merge branch 'alibaba:main' into main
xihan123 Mar 10, 2026
ed70188
Merge branch 'alibaba:main' into main
xihan123 Mar 11, 2026
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72 changes: 38 additions & 34 deletions core/src/main/java/com/alibaba/fastjson2/introspect/PropertyAccessorFactoryLambda.java
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Original file line number Diff line number Diff line change
Expand Up @@ -268,46 +268,50 @@ public PropertyAccessor create(
boolean lambda = declaringClass.getName().contains("$$Lambda");

if (!lambda && (setter == null || !isChainableSetter(setter))) {
if (propertyClass == boolean.class) {
return create(name, getBoolean(getter), setBoolean(setter));
}
if (JDKUtils.JVM_VERSION == 8) {
if (propertyClass == byte.class) {
return create(name, getByte(getter), setByte(setter));
try {
if (propertyClass == boolean.class) {
return create(name, getBoolean(getter), setBoolean(setter));
}
if (propertyClass == short.class) {
return create(name, getShort(getter), setShort(setter));
if (JDKUtils.JVM_VERSION == 8) {
if (propertyClass == byte.class) {
return create(name, getByte(getter), setByte(setter));
}
if (propertyClass == short.class) {
return create(name, getShort(getter), setShort(setter));
}
if (propertyClass == char.class) {
return create(name, getChar(getter), setChar(setter));
}
}
if (propertyClass == char.class) {
return create(name, getChar(getter), setChar(setter));
if (propertyClass == int.class) {
return create(name, getInt(getter), setInt(setter));
}
}
if (propertyClass == int.class) {
return create(name, getInt(getter), setInt(setter));
}
if (propertyClass == long.class) {
return create(name, getLong(getter), setLong(setter));
}
if (propertyClass == float.class) {
return create(name, getFloat(getter), setFloat(setter));
}
if (propertyClass == double.class) {
return create(name, getDouble(getter), setDouble(setter));
}
if (!propertyClass.isPrimitive()) {
if (propertyType == null) {
if (getter != null) {
propertyType = getter.getGenericReturnType();
} else {
Type[] parameterTypes = setter.getGenericParameterTypes();
if (parameterTypes.length == 1) {
propertyType = parameterTypes[0];
} else if (parameterTypes.length == 2 && String.class.equals(parameterTypes[0])) {
propertyType = parameterTypes[1];
if (propertyClass == long.class) {
return create(name, getLong(getter), setLong(setter));
}
if (propertyClass == float.class) {
return create(name, getFloat(getter), setFloat(setter));
}
if (propertyClass == double.class) {
return create(name, getDouble(getter), setDouble(setter));
}
if (!propertyClass.isPrimitive()) {
if (propertyType == null) {
if (getter != null) {
propertyType = getter.getGenericReturnType();
} else {
Type[] parameterTypes = setter.getGenericParameterTypes();
if (parameterTypes.length == 1) {
propertyType = parameterTypes[0];
} else if (parameterTypes.length == 2 && String.class.equals(parameterTypes[0])) {
propertyType = parameterTypes[1];
}
}
}
return create(name, propertyClass, propertyType, getObject(getter), setObject(name, setter), exceptionHandler);
}
return create(name, propertyClass, propertyType, getObject(getter), setObject(name, setter), exceptionHandler);
} catch (Throwable ignored) {
// Lambda creation failed, fallback to parent's reflection implementation
}
}

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