[jboss-jira] [JBoss JIRA] Created: (JASSIST-127) interface proxy creation fails if there are methods with covariant return types

[Paul Pogonyshev (JIRA)]

interface proxy creation fails if there are methods with covariant return types
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                 Key: JASSIST-127
                 URL: https://jira.jboss.org/browse/JASSIST-127
             Project: Javassist
          Issue Type: Bug
    Affects Versions: 3.12.0.GA
         Environment: Java 1.6.
            Reporter: Paul Pogonyshev
            Assignee: Shigeru Chiba


Creation of proxy class for interface Bar fails:

    public interface Foo
    {
        Foo getSelf ();
    }

    public interface Bar extends Foo
    {
        Bar getSelf ();
    }

This is because of covariant return types of method getSelf().  However, as this is permitted by the language (i.e. subtype can restrict the return type further), I consider this a bug.

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