File ownTmpDir = null;
        final String tmpDir = System.getProperty("java.io.tmpdir");
        if (fessConfig.isUseOwnTmpDir() && StringUtil.isNotBlank(tmpDir)) {
            ownTmpDir = new File(tmpDir, "fessTmpDir_" + sessionId);
            if (ownTmpDir.mkdirs()) {
                cmdList.add("-Djava.io.tmpdir=" + ownTmpDir.getAbsolutePath());

        File ownTmpDir = null;
        final String tmpDir = System.getProperty("java.io.tmpdir");
        if (fessConfig.isUseOwnTmpDir() && StringUtil.isNotBlank(tmpDir)) {
            ownTmpDir = new File(tmpDir, "fessTmpDir_" + sessionId);
            if (ownTmpDir.mkdirs()) {
                cmdList.add("-Djava.io.tmpdir=" + ownTmpDir.getAbsolutePath());

        File ownTmpDir = null;
        final String tmpDir = System.getProperty("java.io.tmpdir");
        if (fessConfig.isUseOwnTmpDir() && StringUtil.isNotBlank(tmpDir)) {
            ownTmpDir = new File(tmpDir, "fessTmpDir_" + sessionId);
            if (ownTmpDir.mkdirs()) {
                cmdList.add("-Djava.io.tmpdir=" + ownTmpDir.getAbsolutePath());

        public String[] getJvmSuggestOptionsAsArray() {
            return jvmSuggestOptions.isEmpty() ? new String[0] : jvmSuggestOptions.split(" ");
        }

        @Override
        public boolean isUseOwnTmpDir() {
            return useOwnTmpDir;
        }

        @Override
        public String getPasswordInvalidAdminPasswords() {
            return "admin,password,123456";
        }

     * The value is, e.g. true <br>
     * comment: Whether to use a dedicated temporary directory.
     * @return The determination, true or false. (if not found, exception but basically no way)
     */
    boolean isUseOwnTmpDir();

    /**
     * Get the value for the key 'max.log.output.length'. <br>
     * The value is, e.g. 4000 <br>
     * comment: Maximum length of log output.