Package org.apache.hadoop.util.Shell

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

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    if (isAlive(this.pid)) {
      try {
        String[] args = { "kill", this.pid.toString() };
        shexec = new ShellCommandExecutor(args);
        shexec.execute();
      } catch (IOException ioe) {
        LOG.warn("Error executing shell command " + ioe);
      } finally {
        LOG.info("Killing " + pid + " with SIGTERM. Exit code "
            + shexec.getExitCode());
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    // too long ago, and hence assumes no chance of pid-wrapping-around.
    ShellCommandExecutor shexec = null;
    try {
      String[] args = { "kill", "-0", pid.toString() };
      shexec = new ShellCommandExecutor(args);
      shexec.execute();
    } catch (ExitCodeException ee) {
      return false;
    } catch (IOException ioe) {
      LOG.warn("Error executing shell command "
          + Arrays.toString(shexec.getExecString()) + ioe);
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      // Kill the root process with SIGKILL if it is still alive
      if (ProcfsBasedProcessTree.this.isAlive(pid)) {
        try {
          String[] args = { "kill", "-9", pid.toString() };
          shexec = new ShellCommandExecutor(args);
          shexec.execute();
        } catch (IOException ioe) {
          LOG.warn("Error executing shell command " + ioe);
        } finally {
          LOG.info("Killing " + pid + " with SIGKILL. Exit code "
              + shexec.getExitCode());
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        dir = new File(userDir);
      }
      ShellCommandExecutor s = new ShellCommandExecutor(
                                   cmdList.toArray(new String[0]), dir);
      try {
        s.execute();
        allOutput.append(s.getOutput() + " ");
      } catch (Exception e) {
        LOG.warn(StringUtils.stringifyException(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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    } else {
      untarCommand.append(FileUtil.makeShellPath(inFile));
    }
    String[] shellCmd = { "bash", "-c", untarCommand.toString() };
    ShellCommandExecutor shexec = new ShellCommandExecutor(shellCmd);
    shexec.execute();
    int exitcode = shexec.getExitCode();
    if (exitcode != 0) {
      throw new IOException("Error untarring file " + inFile +
                  ". Tar process exited with exit code " + exitcode);
    }
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    cmdBuf.append(perm).append(" ");
    cmdBuf.append(filename);
    String[] shellCmd = {"bash", "-c" ,cmdBuf.toString()};
    ShellCommandExecutor shExec = new ShellCommandExecutor(shellCmd);
    try {
      shExec.execute();
    }catch(Exception e) {
      if (LOG.isDebugEnabled()) {
        LOG.debug("Error while changing permission : " + filename
            + " Exception: ", e);
      }
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    LOG.info("initApplication: " + Arrays.toString(commandArray));
    if (LOG.isDebugEnabled()) {
      LOG.debug("initApplication: " + Arrays.toString(commandArray));
    }
    try {
      shExec.execute();
      if (LOG.isDebugEnabled()) {
        logOutput(shExec.getOutput());
      }
    } catch (ExitCodeException e) {
      int exitCode = shExec.getExitCode();
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        String[] commandArray = command.toArray(new String[command.size()]);
        shExec = new ShellCommandExecutor(commandArray, null, // NM's cwd
            container.getLaunchContext().getEnvironment()); // sanitized env
        // DEBUG
        LOG.info("launchContainer: " + Arrays.toString(commandArray));
        shExec.execute();
        if (LOG.isDebugEnabled()) {
          logOutput(shExec.getOutput());
        }
      } else {
        LOG.info("Container was marked as inactive. Returning terminated error");
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    ShellCommandExecutor shExec = new ShellCommandExecutor(command);
    if (LOG.isDebugEnabled()) {
      LOG.debug("signalContainer: " + Arrays.toString(command));
    }
    try {
      shExec.execute();
    } catch (ExitCodeException e) {
      int ret_code = shExec.getExitCode();
      if (ret_code == ResultCode.INVALID_CONTAINER_PID.getValue()) {
        return false;
      }
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