String QUERY_GSA_DEFAULT_LANG = "query.gsa.default.lang";

    /** The key of the configuration. e.g.  */
    String QUERY_GSA_DEFAULT_SORT = "query.gsa.default.sort";

    /** The key of the configuration. e.g. MT_ */
    String QUERY_GSA_META_PREFIX = "query.gsa.meta.prefix";

    /** The key of the configuration. e.g. charset */
    String QUERY_GSA_INDEX_FIELD_CHARSET = "query.gsa.index.field.charset";

        }
        pb.redirectErrorStream(true);

        Process currentProcess = null;
        MonitorThread mt = null;
        try {
            currentProcess = pb.start();

            // monitoring
            mt = new MonitorThread(currentProcess, executionTimeout);
            mt.start();