@Override
  public void executeJstack(final String testCaseName) {
    final String fileName =
        getLogDirPath() + File.separator + testCaseName + "_" + getId() + "-threads.jstack";
    try (final PrintWriter output = new PrintWriter(fileName)) {
      executeJstack(output::println);
    } catch (final IOException e) {
      logger.warn("IOException occurred when executing Jstack for {}", this.getId(), e);
    }
    logger.info("Jstack execution output can be found at {}", fileName);
  }
Return the common config file path specified through system variable
integration-test/src/main/java/org/apache/iotdb/it/env/cluster/node/AbstractNodeWrapper.java