--- a/openide.loaders/src/org/openide/loaders/DataFolder.java	
+++ a/openide.loaders/src/org/openide/loaders/DataFolder.java	
@@ -71,6 +71,9 @@ 
 * @author Jaroslav Tulach, Petr Hamernik
 */
 public class DataFolder extends MultiDataObject implements DataObject.Container {
+
+    private static final Logger DFLOG = Logger.getLogger(DataFolder.class.getName());
+
     /** generated Serialized Version UID */
     static final long serialVersionUID = -8244904281845488751L;
 
@@ -572,11 +575,26 @@ 
     */
     @Override
     protected DataObject handleCopy (DataFolder f) throws IOException {
+        if (DFLOG.isLoggable(Level.FINE)) {
+            DFLOG.log(Level.FINE, "hanldeCopy of {0} into: {1}", new Object[]{
+                FileUtil.getFileDisplayName(getPrimaryFile()),
+                FileUtil.getFileDisplayName(f.getPrimaryFile())});
+        }
         testNesting(this, f);
-
+        if (DFLOG.isLoggable(Level.FINE)) {
+            final StringBuilder sb = new StringBuilder();
+            final Enumeration<DataObject> logChildren = children();
+            while (logChildren.hasMoreElements()) {
+                sb.append(FileUtil.getFileDisplayName(logChildren.nextElement().getPrimaryFile()));
+                sb.append(',');
+            }
+            DFLOG.log(Level.FINE, "Children to be copied: {0}", sb.substring(0, sb.length()-1).toString());
+        }
         Enumeration<DataObject> en = children ();
-
         DataObject newFolderDO = super.handleCopy (f);
+        if (DFLOG.isLoggable(Level.FINE)) {
+            DFLOG.log(Level.FINE, "Copying children into: {0}", FileUtil.getFileDisplayName(newFolderDO.getPrimaryFile()));
+        }
         DataFolder newFolderDF;
         if (newFolderDO instanceof DataFolder) {
             newFolderDF = (DataFolder) newFolderDO;
@@ -596,6 +614,9 @@ 
                 DataObject obj = en.nextElement ();
                 if (obj.isCopyAllowed()) {
                     obj.copy(newFolderDF);
+                    if (DFLOG.isLoggable(Level.FINE)) {
+                        DFLOG.log(Level.FINE, "Copied file {0}", FileUtil.getFileDisplayName(obj.getPrimaryFile()));
+                    }
                 } else {
                     // data object can not be copied, inform user
                     DataObject.LOG.warning(