Name: js151677 Date: 07/07/2004


FULL PRODUCT VERSION :
JavaC Version:
    javac 1.5.0-beta2

Java Version:
  java version "1.5.0-beta2"
  Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-beta2-b51)
  Java HotSpot(TM) Client VM (build 1.5.0-beta2-b51, mixed mode, sharing)


ADDITIONAL OS VERSION INFORMATION :
Linux ims-360-9-lnx 2.4.21-4.0.1.ELsmp #1 SMP Thu Oct 23 01:27:36 EDT 2003 i686 i686 i386 GNU/Linux


A DESCRIPTION OF THE PROBLEM :
The source code below will compile without warnings under J2SDK 1.4.1;
but generates the following error when compiled against J2SDK 1.5.0 beta 2:

  OldList.java:4: name clash: setListData(java.util.Vector) in OldList and
  setListData(java.util.Vector<?>) in javax.swing.JList have the same erasure,
  yet neither overrides the other
  public class OldList extends JList {
         ^
  Note: OldList.java uses unchecked or unsafe operations.
  Note: Recompile with -Xlint:unchecked for details.
  1 error

This is occurring because we now have a unknown type vector rather than
the raw vector we had in earlier versions of the SDK.

I was asked to submit this as a "high-priority" bug to be fixed before the
final Tiger release, since one of the goals for Tiger was not to break existing
code due to typing.

        


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import javax.swing.*;
import java.util.*;
 
public class OldList extends JList {
    public void setListData(Vector v) {
      /// Modify the vector/
      v.add(new String("hello"));
      super.setListData(v);
    }
}

---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
A work-around was submitted in the forums:

    http://forum.java.sun.com/thread.jsp?forum=31&thread=529143

Release Regression From : 1.5.0_01
The above release value was the last known release where this
bug was known to work. Since then there has been a regression.

(Incident Review ID: 285004)
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