void testGetRootCause() {
            Exception rootCause = new IllegalStateException("Test root cause");
            TransportException exception = new TransportException("Message", rootCause);

            assertEquals(rootCause, exception.getRootCause());
        }

        @Test
        @DisplayName("Should return null when no root cause")
        void testGetRootCauseWhenNull() {

    /**
     * Returns an array of {@link Traverser} instances that handle collections of classes or resources based on the specified root package.
     *
     * @param rootPackage
     *            The root package.
     * @return An array of {@link Traverser} instances that handle collections of resources based on the specified root package.
     */
    public static Traverser[] getTraversers(final String rootPackage) {

     *
     * @return the error code
     */
    public int getErrorCode() {
        return error;
    }

    /**
     * Returns the root cause of this exception
     *
     * @return the root cause throwable
     */
    public Throwable getRootCause() {
        return rootCause;
    }

    @Override
    public String toString() {
        if (rootCause != null) {

        // Given
        Exception cause = new RuntimeException("Root cause");

        // When
        CIFSException exception = new CIFSException(cause);

        // Then
        assertNotNull(exception);
        assertEquals(cause, exception.getCause());
        assertTrue(exception.getMessage().contains("Root cause"));
    }

    @Test
    @DisplayName("Should handle null message")

     *
     * @param root the root directory (e.g., "WEB-INF/")
     * @param base the base directory under root (e.g., "conf", "classes")
     * @param names the path components to append to the base directory
     * @return the Path object pointing to the requested resource
     */
    protected static Path getPath(final String root, final String base, final String... names) {

        try {

        // Scenario: DFS is disabled.
        when(mockConfig.isDfsDisabled()).thenReturn(true);
        assertNull(dfsImpl.resolve(mockContext, "domain", "root", "/path"));
    }

    @Test
    void testResolve_NullRoot() throws SmbAuthException {
        // Scenario: The root is null.
        assertNull(dfsImpl.resolve(mockContext, "domain", null, "/path"));
    }

    @Test

            this.fessProps = fessProps;
            return this;
        }

        /**
         * Sets the bug report properties.
         * @param bugReportProps The bug report properties.
         * @return This ApiSystemInfoResponse instance.
         */
        public ApiSystemInfoResponse bugReportProps(final List<Map<String, String>> bugReportProps) {

        assertNull(ResourceUtil.getFile(url));
    }

    private String getRoot() throws IOException {
        final String root = new File("/").getCanonicalPath().replace('\\', '/');
        if (root.startsWith("/")) {
            return root;
        }
        return "/" + root;
    }

     */
    SmbTransport getDc(CIFSContext tf, String domain) throws CIFSException;

    /**
     * Resolve the location of a DFS path
     *
     * @param domain the domain for the DFS referral
     * @param root the DFS root share
     * @param path the DFS path to resolve
     * @param tf the CIFS context containing configuration and credentials
     * @return the final referral for the given DFS path

		</RollingFile>
	</Appenders>

	<Loggers>
		<Logger name="org.codelibs.fess" additivity="false" level="${log.level}">
			<AppenderRef ref="AppFile" />
		</Logger>
		<Root level="${root.log.level}">
			<AppenderRef ref="AppFile" />
		</Root>
	</Loggers>