if (log.isTraceEnabled()) {
                    do {
                        log.trace(smb.toString());
                    } while (smb instanceof AndXServerMessageBlock && (smb = ((AndXServerMessageBlock) smb).getAndx()) != null);
                    log.trace(Hexdump.toHexString(buffer, 4, n));

                }
                /*

        final boolean isHttpUrl = url.startsWith("http:") || url.startsWith("https:");

        if (isSmbUrl) {
            url = url.replace("smb:", "file:");
            url = url.replace("smb1:", "file:");
        }

        if (isHttpUrl && isSmbOrFtpUrl) {
            //  smb/ftp->http
            // encode
            final StringBuilder buf = new StringBuilder(url.length() + 100);

/* jcifs smb client library in Java
 * Copyright (C) 2000  "Michael B. Allen" <jcifs at samba dot org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,

-XX:MaxGCPauseMillis=60000\n\
-XX:G1NewSizePercent=5\n\
-XX:G1MaxNewSizePercent=5\n\
-Djcifs.smb.client.responseTimeout=30000\n\
-Djcifs.smb.client.soTimeout=35000\n\
-Djcifs.smb.client.connTimeout=60000\n\
-Djcifs.smb.client.sessionTimeout=60000\n\
-Djcifs.smb1.smb.client.connTimeout=60000\n\
-Djcifs.smb1.smb.client.soTimeout=35000\n\
-Djcifs.smb1.smb.client.responseTimeout=30000\n\
-Dio.netty.noUnsafe=true\n\

            Properties props = new Properties();
            props.setProperty("jcifs.smb.client.minVersion", "SMB202");
            props.setProperty("jcifs.smb.client.maxVersion", "SMB311");
            props.setProperty("jcifs.smb.client.responseTimeout", "30000");
            props.setProperty("jcifs.smb.client.soTimeout", "35000");

            // Create a new configuration and context

    public void test_isValidUrl_withCustomScheme() {
        final FessXpathTransformer transformer = new FessXpathTransformer();
        // topic/2732: java.net.URL does not support smb:// scheme, so isValidUrl returns false
        assertFalse(transformer.isValidUrl("smb://server/share/file"));
    }

    @Test
    public void test_normalizeCanonicalUrl_malformedReturnsNull() throws Exception {