private void createClient2AuthReqException(final boolean multiUser, final int port1,
      final int port2, final Properties credentials2, final Properties javaProps2,
      final int zeroConns) {
    client2.invoke(() -> createCacheClient(null, credentials2, javaProps2, port1, port2, zeroConns,
        multiUser, AUTHREQ_EXCEPTION));
  }
NOTE: "final boolean multiUser" is unused
geode-core/src/upgradeTest/java/org/apache/geode/security/ClientAuthenticationTestCase.java