assertNotNull(urlQueueService);
    }

    @Test
    public void test_getComponent_dataHelper() {
        final MemoryDataHelper dataHelper = crawlerContainer.getComponent("dataHelper");
        assertNotNull(dataHelper);
    }

    @Test
    public void test_getComponent_multiple() {
        // Verify that multiple components can be retrieved

	</component>
	<component name="urlFilterService" class="org.codelibs.fess.crawler.service.impl.UrlFilterServiceImpl" instance="prototype" >
	</component>

	<!-- Helper -->
	<component name="dataHelper" class="org.codelibs.fess.crawler.helper.MemoryDataHelper" instance="singleton" >
	</component>