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Document need for -parameters flag in exception messages

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Closes gh-31675
This commit is contained in:
Sam Brannen
2023-11-25 14:53:56 +01:00
parent 23dc5696d9
commit 657b1c6455
5 changed files with 21 additions and 16 deletions
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7
spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/reactive/AbstractNamedValueMethodArgumentResolver.java
View File

@@ -152,9 +152,10 @@ public abstract class AbstractNamedValueMethodArgumentResolver implements SyncHa
if (info.name.isEmpty()) {
name = parameter.getParameterName();
if (name == null) {
throw new IllegalArgumentException(
"Name for argument of type [" + parameter.getNestedParameterType().getName() +
"] not specified, and parameter name information not found in class file either.");
throw new IllegalArgumentException("""
Name for argument of type [%s] not specified, and parameter name information not \
available via reflection. Ensure that the compiler uses the '-parameters' flag."""
.formatted(parameter.getNestedParameterType().getName()));
}
}
return new NamedValueInfo(name, info.required,

7
spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/support/AbstractNamedValueMethodArgumentResolver.java
View File

@@ -162,9 +162,10 @@ public abstract class AbstractNamedValueMethodArgumentResolver implements Handle
if (info.name.isEmpty()) {
name = parameter.getParameterName();
if (name == null) {
throw new IllegalArgumentException(
"Name for argument of type [" + parameter.getNestedParameterType().getName() +
"] not specified, and parameter name information not found in class file either.");
throw new IllegalArgumentException("""
Name for argument of type [%s] not specified, and parameter name information not \
available via reflection. Ensure that the compiler uses the '-parameters' flag."""
.formatted(parameter.getNestedParameterType().getName()));
}
}
return new NamedValueInfo(name, info.required,