Description Brian Miller 2006-03-15 09:50:07 EST

3.2M5 gives no compile error.  Javac does:

    [javac] C:\workspace33\intellisuite\gui\src\Bug.java:22: inconvertible types
    [javac] found   : java.lang.ref.Reference<capture of ? extends java.lang.String>
    [javac] required: Bug.Soft
    [javac]                     cache.remove(((Soft)trash.remove()).key);
    [javac]                                                     ^

--------------------------- Bug.java ---------------
import java.lang.ref.ReferenceQueue;
import java.lang.ref.SoftReference;
import java.util.Hashtable;

class Bug {
    private static final Hashtable<Integer,Soft>cache=new Hashtable<Integer,Soft>();

    private static final ReferenceQueue<String>trash=new ReferenceQueue<String>();

    private static final class Soft extends SoftReference<String>{
        int key;        
        Soft(){
            super(null);
        }
    }
    
    final Thread clean=new Thread("BigTableModel cleaner"){
        @Override
        public void run(){
            for(;;)
                try {
                    cache.remove(((Soft)trash.remove()).key);
                } catch (final InterruptedException e) {
                    return;
                }
        }
    };
}