Package org.apache.hadoop.util.Shell

Examples of org.apache.hadoop.util.Shell.ShellCommandExecutor.execute()

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    }

    public void kill(String newConfLocation) throws IOException {
      ShellCommandExecutor cme
        = buildCommandExecutor(STOP_COMMAND, newConfLocation);
      cme.execute();
      String output = cme.getOutput();
      if (!output.isEmpty()) { //getOutput() never returns null value
        if (output.toLowerCase().contains("error")) {
          LOG.info("Error is detected.");
          throw new IOException("Kill error\n" + output);
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     * @throws IOException
     */
    public void runScript(List<String> args, File dir) throws IOException {
      ShellCommandExecutor shexec =
              new ShellCommandExecutor(args.toArray(new String[0]), dir);
      shexec.execute();
      int exitCode = shexec.getExitCode();
      if (exitCode != 0) {
        throw new IOException("Task debug script exit with nonzero status of "
                              + exitCode + ".");
      }
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      targetWorkDir.mkdirs();

      ShellCommandExecutor shexec = new ShellCommandExecutor(
        Shell.getSymlinkCommand(targetPath, linkPath));
      try {
        shexec.execute();
      } catch (IOException e) {
        throw new YarnRuntimeException(String.format(
          "failed to create symlink from %s to %s, shell output: %s", linkPath,
          targetPath, shexec.getOutput()), e);
      }
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    }
    // construct and execute shell command
    String[] hardLinkCommand = getHardLinkCommand.linkOne(file, linkName);
    ShellCommandExecutor shexec = new ShellCommandExecutor(hardLinkCommand);
    try {
      shexec.execute();
    } catch (ExitCodeException e) {
      throw new IOException("Failed to execute command " +
          Arrays.toString(hardLinkCommand) +
          "; command output: \"" + shexec.getOutput() + "\"" +
          "; WrappedException: \"" + e.getMessage() + "\"");
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    String[] hardLinkCommand = getHardLinkCommand.linkMult(fileBaseNames,
        linkDir);
    ShellCommandExecutor shexec = new ShellCommandExecutor(hardLinkCommand,
      parentDir, null, 0L);
    try {
      shexec.execute();
    } catch (ExitCodeException e) {
      throw new IOException(shexec.getOutput() + e.getMessage());
    }
    return callCount;
  }
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    int exitValue = -1;
    BufferedReader in = null;

    ShellCommandExecutor shexec = new ShellCommandExecutor(cmd);
    try {
      shexec.execute();
      in = new BufferedReader(new StringReader(shexec.getOutput()));
      inpMsg = in.readLine();
      exitValue = shexec.getExitCode();
      if (inpMsg == null || exitValue != 0) {
        throw createIOException(fileName, inpMsg, errMsg, exitValue, null);
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          dir = new File(userDir);
        }
        ShellCommandExecutor s = new ShellCommandExecutor(
            cmdList.toArray(new String[cmdList.size()]), dir);
        try {
          s.execute();
          allOutput.append(s.getOutput()).append(" ");
        } catch (Exception e) {
          LOG.warn("Exception running " + s, e);
          return null;
        }
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     * @throws IOException
     */
    public void runScript(List<String> args, File dir) throws IOException {
      ShellCommandExecutor shexec =
              new ShellCommandExecutor(args.toArray(new String[0]), dir);
      shexec.execute();
      int exitCode = shexec.getExitCode();
      if (exitCode != 0) {
        throw new IOException("Task debug script exit with nonzero status of "
                              + exitCode + ".");
      }
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     * @throws IOException
     */
    public void runScript(List<String> args, File dir) throws IOException {
      ShellCommandExecutor shexec =
              new ShellCommandExecutor(args.toArray(new String[0]), dir);
      shexec.execute();
      int exitCode = shexec.getExitCode();
      if (exitCode != 0) {
        throw new IOException("Task debug script exit with nonzero status of "
                              + exitCode + ".");
      }
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    ShellCommandExecutor shExec = new ShellCommandExecutor(commandArray);
    if (LOG.isDebugEnabled()) {
      LOG.debug("checkLinuxExecutorSetup: " + Arrays.toString(commandArray));
    }
    try {
      shExec.execute();
    } catch (ExitCodeException e) {
      int exitCode = shExec.getExitCode();
      LOG.warn("Exit code from container is : " + exitCode);
      logOutput(shExec.getOutput());
      throw new IOException("Linux container executor not configured properly"
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