assertNotNull(ResourceUtil.getResource("org/codelibs"));
        try {
            ResourceUtil.getResource("hoge", "xml");
            fail("2");
        } catch (final ResourceNotFoundRuntimeException e) {
            System.out.println(e);
            assertEquals("3", "hoge.xml", e.getPath());
        }
        System.out.println(ResourceUtil.getResource("."));
    }

    /**
     * @throws Exception

             * the header, only their body. But for whatever reason one might wish
             * to populate fields if the writeXxx operation needs this header data
             * for whatever reason. I copy over the uid here so it appears correct
             * in logging output. Logging of andx segments of messages inadvertantly
             * print header information because of the way toString always makes a

#
# This property uses classification names of classificationDefinitionMap.
# The table name '$$ALL$$' means all tables are target.
# The table names and column names are treated as case insensitive.
#
# You don't need specify here about table classifications.
# Because table classifications are auto-deployed by relation information.
#
# Specification:
# map: {
#     [table-name or $$ALL$$] = map:{

Allow: /help/faq.html
Crawl-delay: 3

User-agent: Crawler
Disallow: /aaa

User-agent: Crawler/1.0
Disallow: /bbb

User-agent: Crawler/2.0
Disallow: /ccc

User-agent: Hoge Crawler
Disallow: /ddd

sitemap: http://www.example.com/sitmap.xml

**Environment (please complete the following information):**
 - OS: [e.g. Windows 10]
 - Version [e.g. 3.5.0]

**Additional context**

# /---------------------------------------------------------------------------
# additionalForeignKeyMap: (NotRequired - Default map:{})
#
# If foreign key does not exist in your database,
# you can set up here as virtual foreign key for DBFlute.
#
# And it's one-to-one relation if you add one fixed condition to referrer table, 
# you can set virtual foreign key with fixedCondition and fixedSuffix.
# And you can use it to view objects too.
#

    }

    public void test_processRobotsTxt() {
        final CrawlerWebServer server = new CrawlerWebServer(7070);
        server.start();

        final String url = "http://localhost:7070/hoge.html";
        try {
            final CrawlerContext crawlerContext = new CrawlerContext();
            final String sessionId = "id1";
            urlFilter.init(sessionId);

        assertTrue(robotsTxt.allows("/ddd", "Crawler/2.0"));
        assertTrue(robotsTxt.allows("/aaa", "Hoge Crawler"));
        assertTrue(robotsTxt.allows("/bbb", "Hoge Crawler"));
        assertTrue(robotsTxt.allows("/ccc", "Hoge Crawler"));
        assertFalse(robotsTxt.allows("/ddd", "Hoge Crawler"));

        String[] sitemaps = robotsTxt.getSitemaps();
        assertEquals(2, sitemaps.length);

            }
            // If we get here, we got the 'The Parameter is incorrect' error or a transport exception
            // Disconnect and try again from scratch.

            if (log.isDebugEnabled()) {
                log.debug(String.format("Retrying (%d/%d) request %s", retries, maxRetries, request));
            }

        System.setProperty("jcifs.properties", nonExistentPath.toString());

        // Expect no exception to be thrown, but an error logged (which we can't directly assert here)
        assertDoesNotThrow(() -> SingletonContext.init(null));
        assertNotNull(SingletonContext.getInstance()); // Should still initialize
    }

    @Test
    void testGetInstanceInitializesIfNull() {