props.setProperty("job.max.crawler.processes", "5");
                props.setProperty("java.command.path", "java");

                org.dbflute.helper.jprop.JavaPropertiesReader reader =
                        new org.dbflute.helper.jprop.JavaPropertiesReader("test.properties", null);
                java.lang.reflect.Field readerPropsField = reader.getClass().getDeclaredField("_plainProperties");