private RuntimeException handleCME(ConcurrentModificationException cme) {
            RuntimeExceptionWithAttachments ewa = new RuntimeExceptionWithAttachments(
              "Error while traversing lookup strings of " + element + " of " + element.getClass(),
              (String)null,
              new Attachment("threadDump.txt", ThreadDumper.dumpThreadsToString()));
            ewa.initCause(cme);
            return ewa;
          }
private RuntimeException handleCME(ConcurrentModificationException cme)