gistfile1.txt

  private static Set<String> adminNeeded = Collections.synchronizedSet(new HashSet<String>());

...
        StringBuilder sb = new StringBuilder();
        for (StackTraceElement ste : Thread.currentThread().getStackTrace()) {
          String className = ste.getClassName();
          if (className.startsWith("javax.servlet.http.HttpServlet")) break;
          if (className.startsWith("java.lang.Thread")
              || !className.startsWith("bagcheck")
              || className.startsWith("bagcheck.services.Util")) continue;
          sb.append(className).append(".").append(ste.getMethodName()).append("(")
              .append(ste.getFileName()).append(":").append(ste.getLineNumber()).append(")").append(" ");
        }
        String fingerprint = sb.toString();
        if (adminNeeded.add(fingerprint)) {

...