[aspectj-users] Problem with static intertype declaration and interface

["Wolvers, B. (Bas)" <Bas.Wolvers@xxxxxxxxxxxxx>]

Please have a look at the following code:

package untitled4;
public interface Interface1{}

package untitled4;
class Untitled1
{
    public static void main(String args[])
    {
    }
}

package untitled4;
aspect aAspect 
{
  declare parents : Untitled1 implements Interface1;

  private static String Untitled1.aString = getString();

  private static final String Interface1.getString()
  {
      return "AString";        
  }
}

When I run this code the following exception occurs:
java.lang.ClassFormatError: untitled4/Interface1 (Illegal method modifiers:
0x409)
	at java.lang.ClassLoader.defineClass0(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:537)
	at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
	at java.lang.ClassLoader.defineClass0(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:537)
	at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
Exception in thread "main"

Questions:
- Why does the error occur? (The ajc compiler doesn't give an error or
warning) Is this a aspectJ bug?

- Why is it not possible to intertype a static field to an interface. 
(I want to add a static field to more then one class, the classes implements
the same interface)

Greetings,

Bas