Java generics: What is the compiler's issue here? (“no unique maximal instance”)

Question

I have the following methods:

public  T fromJson( Reader jsonData, Class clazz ) {
    return fromJson( jsonData, (Type)clazz );
}

public <         


        

Answer 1

I encountered the same problem and found it was a bug (#6302954) in the JDK. It was fixed in jdk 6u25.

I worked around one of the instances of this problem but decided to update the JDK version on the CI box instead.