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From "Pavel Afremov (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-2022) [DRLVM] Fix ClassLoading in exception raised state.
Date Tue, 31 Oct 2006 15:38:16 GMT
[DRLVM] Fix ClassLoading in exception raised state.
---------------------------------------------------

                 Key: HARMONY-2022
                 URL: http://issues.apache.org/jira/browse/HARMONY-2022
             Project: Harmony
          Issue Type: Bug
          Components: DRLVM
            Reporter: Pavel Afremov


The following test crashes VM, if it runs with parameters -Xms16m -Xmx32m:


import java.lang.ref.*;
public class PhantomTest {

    static int MAX_MEM = 0;

    public static void main(String[] args) {
        if(args.length>0) {
          try {
           MAX_MEM = Integer.parseInt(args[0]);
          }
          catch(NumberFormatException e) { //ignore 
          }
        }

        if(MAX_MEM <= 0) {
           MAX_MEM = 100000;
        }

        ReferenceQueue q = new ReferenceQueue();
        PhantomReference [] ref = new PhantomReference[MAX_MEM];

        FinalizedObject obj = null;
        for(int i= 0; i < ref.length; ++i) {
            if(i > 0) ref[i - 1] = new PhantomReference(obj, q);
            obj = null;
            obj = new FinalizedObject(1024, i);
            Reference r = null;
            while( (r=q.poll())!=null) {
               r.clear();
               System.out.println("r = " + r);
            }
        }

        System.out.println("TEST COMPLETED!");
    }

    static class FinalizedObject {
       byte [] bytes;
       int ind = 0;
       FinalizedObject(int size, int ind) {
          bytes = new byte[size];
          this.ind = ind;
       }
       protected void finalize() {
           System.out.println("Finalize: " + ind);
       }
    }
}


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