Field errField = Class.forName("java.lang.System").getField("err"); errField.set(null, err);
VM_Field errField = ((VM_Class)JikesRVMSupport.getTypeForClass(System.class)) .findDeclaredField( VM_Atom.findOrCreateUnicodeAtom("err"), VM_Atom.findOrCreateUnicodeAtom("Ljava/io/PrintStream;"));  errField.setObjectValue(null, err);
  static void setErr(PrintStream err) {      try {	  Field errField = Class.forName("java.lang.System").getField("err");	  errField.set(null, err);      } catch (Exception e) {	  throw new Error( e.toString() );      }  }