* href="https://github.com/google/guava/issues/4011">CVE-2020-8908</a>.)
   *
   * <p>Use this method instead of {@link File#createTempFile(String, String)} when you wish to
   * create a directory, not a regular file. A common pitfall is to call {@code createTempFile},
   * delete the file and create a directory in its place, but this leads a race condition which can

        if (hotThreadInterval > -1) {
            cmdList.add("-h");
            cmdList.add(Integer.toString(hotThreadInterval));
        }

        final File propFile = ComponentUtil.getSystemHelper().createTempFile(getExecuteType() + "_", ".properties");
        try {
            cmdList.add("-p");
            cmdList.add(propFile.getAbsolutePath());
            createSystemProperties(cmdList, propFile);

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    WritableByteChannel outChannel = Channels.newChannel(out);

    File testFile = createTempFile();
    byte[] dummyData = newPreFilledByteArray(chunkSize);
    try (FileOutputStream fos = new FileOutputStream(testFile)) {
      for (int i = 0; i < 500; i++) {
        fos.write(dummyData);
      }
    }

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    WritableByteChannel outChannel = Channels.newChannel(out);

    File testFile = createTempFile();
    byte[] dummyData = newPreFilledByteArray(chunkSize);
    try (FileOutputStream fos = new FileOutputStream(testFile)) {
      for (int i = 0; i < 500; i++) {
        fos.write(dummyData);
      }
    }

            systemProperties.reload(options.propertiesPath);
        } else {
            try {
                final File propFile = ComponentUtil.getSystemHelper().createTempFile("crawler_", ".properties");
                if (propFile.delete() && logger.isDebugEnabled()) {
                    logger.debug("Deleted a temp file: {}", propFile.getAbsolutePath());
                }

    assertThat(bodyToHex(body)).isEqualTo("48656c6c6f")
    assertThat(bodyToHex(body), "Retransmit body").isEqualTo("48656c6c6f")
  }

  @Test
  fun file() {
    val file = File.createTempFile("RequestTest", "tmp")
    val writer = FileWriter(file)
    writer.write("abc")
    writer.close()
    val contentType = "text/plain".toMediaType()
    val body: RequestBody = file.asRequestBody(contentType)

            for (String extension : checksums.keySet()) {
                // TODO shouldn't need a file intermediary - improve wagon to take a stream
                File temp = File.createTempFile("maven-artifact", null);
                temp.deleteOnExit();
                byte[] bytes = sums.get(extension).getBytes(StandardCharsets.UTF_8);
                Files.write(

    private CrawlingConfigHelper crawlingConfigHelper;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        final File propFile = File.createTempFile("system", ".properties");
        propFile.deleteOnExit();
        FileUtil.writeBytes(propFile.getAbsolutePath(), "".getBytes());
        ComponentUtil.register(new DynamicProperties(propFile), "systemProperties");

        validate(form, messages -> {}, this::asListHtml);
        verifyToken(this::asListHtml);
        final String fileName = form.bulkFile.getFileName();
        final File tempFile = ComponentUtil.getSystemHelper().createTempFile("fess_restore_", ".tmp");
        try (final InputStream in = form.bulkFile.getInputStream(); final OutputStream out = new FileOutputStream(tempFile)) {
            CopyUtil.copy(in, out);

  private fun enableCache(): Cache? {
    cache = makeCache()
    client = client.newBuilder().cache(cache).build()
    return cache
  }

  private fun makeCache(): Cache {
    val cacheDir = File.createTempFile("cache-", ".dir")
    cacheDir.delete()
    return Cache(cacheDir, (1024 * 1024).toLong())
  }

  companion object {
    val anyResponse = CoreMatchers.any(Response::class.java)
  }