public String[] getLoadActiveListeningDirs() {
    return (Objects.isNull(this.loadActiveListeningDirs)
            || this.loadActiveListeningDirs.length == 0)
        ? new String[] {
          extDir
              + File.separator
              + IoTDBConstant.LOAD_TSFILE_FOLDER_NAME
              + File.separator
              + IoTDBConstant.LOAD_TSFILE_ACTIVE_LISTENING_PENDING_FOLDER_NAME
        }
        : this.loadActiveListeningDirs;
  }
if the folders are relative paths, add IOTDB_DATA_HOME as the path prefix
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/conf/IoTDBConfig.java