private void printoutUnsatisfiedConstraints(BundleInfo bInfo, BundlesState state) {
   if (DEBUG) {
     StringBuffer sb = new StringBuffer();
     sb.append("Missing constraints:\n"); // $NON-NLS-1$
     String[] missings = state.getUnsatisfiedConstraints(bInfo);
     for (int i = 0; i < missings.length; i++)
       sb.append(" " + missings[i] + "\n"); // $NON-NLS-1$ //$NON-NLS-2$
     System.out.println(sb.toString());
   }
 }