return null;
        }

        final File parentFile = uploadFile.getParentFile();
        if (!parentFile.exists() && !parentFile.mkdirs()) {
            logger.warn("Could not create directory: {}", parentFile.getAbsolutePath());
        }

        try {
            write(uploadFile.getAbsolutePath(), form.designFile.getFileData());

              </dependencies>
            </project>"""
        )
    }

    def "handles project shadow dependencies"() {
        given:
        settingsFile << "include ':someLib'"
        file('someLib').mkdirs()
        buildFile << """
            plugins {
                id 'elasticsearch.java'
                id 'elasticsearch.publish'
                id 'com.github.johnrengelman.shadow'
            }

        File localRepoDir = request.getLocalRepositoryPath();

        logger.debug("Using local repository at {}", localRepoDir);

        localRepoDir.mkdirs();

        if (!localRepoDir.isDirectory()) {
            throw new IOException("Could not create local repository at " + localRepoDir);
        }
    }

        if (fessConfig.isUseOwnTmpDir() && StringUtil.isNotBlank(tmpDir)) {
            ownTmpDir = new File(tmpDir, "fessTmpDir_" + sessionId);
            if (ownTmpDir.mkdirs()) {
                cmdList.add("-Djava.io.tmpdir=" + ownTmpDir.getAbsolutePath());
                cmdList.add("-Dpdfbox.fontcache=" + ownTmpDir.getAbsolutePath());
            } else {
                ownTmpDir = null;

            }
            File output = new File(outputDirectory.get().dir(REST_TEST_PREFIX).getAsFile(), testFileParts[1]);
            output.getParentFile().mkdirs();
            try (SequenceWriter sequenceWriter = WRITER.writeValues(output)) {
                for (ObjectNode transformedTest : transformRestTests) {
                    sequenceWriter.write(transformedTest);

                baseDir = new File(varPath, THUMBNAILS_DIR_NAME);
            } else {
                baseDir = ResourceUtil.getThumbnailPath().toFile();
            }
        }
        if (baseDir.mkdirs()) {
            logger.info("Created thumbnail directory: {}", baseDir.getAbsolutePath());
        }
        if (!baseDir.isDirectory()) {
            throw new FessSystemException("Not found: " + baseDir.getAbsolutePath());

    @Test
    public void test_baseDir_configuration() throws Exception {
        final File customBaseDir = new File(System.getProperty("java.io.tmpdir"), "custom_base");
        customBaseDir.mkdirs();

        try {
            generator.setBaseDir(customBaseDir);
            assertTrue("Base directory should be set", true);
        } finally {
            if (customBaseDir.exists()) {

       * -- or even that the caller can create it, but this method makes no such guarantees even for
       * non-root files.
       */
      return;
    }
    parent.mkdirs();
    if (!parent.isDirectory()) {
      throw new IOException("Unable to create parent directories of " + file);
    }
  }

  /**

        systemHelper.addDesignJspFileName("xxx", "yyy.jsp");
        final File designJspFile = systemHelper.getDesignJspFile("/WEB-INF/view/yyy.jsp");
        designJspFile.getParentFile().mkdirs();
        FileUtil.writeBytes(designJspFile.getAbsolutePath(), "ok".getBytes());
        fileList = systemHelper.refreshDesignJspFiles();
        assertEquals(1, fileList.size());

     * (although in the future it may be possible to create shares).
     *
     * @throws CIFSException if an error occurs creating the directories
     */
    void mkdirs() throws CIFSException;

    /**
     * Creates a directory with the path specified by this
     * <code>SmbResource</code>. For this method to be successful, the target