[jboss-jira] [JBoss JIRA] Created: (JGRP-817) MethodCall: match between formal parameters and actual arguments fails if an argument is a subtype of a parameter

[Bela Ban (JIRA)]

MethodCall: match between formal parameters and actual arguments fails if an argument is a subtype of a parameter
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                 Key: JGRP-817
                 URL: https://jira.jboss.org/jira/browse/JGRP-817
             Project: JGroups
          Issue Type: Bug
            Reporter: Bela Ban
            Assignee: Bela Ban
             Fix For: 2.6.4, 2.7


If we have class Foo with method:

public class Foo {
   public void bar(Object a, String b) {}
}

then MethodCall fails if we invoke:

dispatcher.callRemoteMethods(null, "bar", new Object[] {"hello", "world"}, new Class[]{String.class,String.class}, ...);

because the first formal parameter of foo() is an Object and the arg a String, and we do an equals() on the 2 classes. 

Solution: use Class.isAssignableFrom(Class)

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