apache/hadoop · error · FileNotFoundException

File " + p + " does not exist

Error message

File " + p + " does not exist

What it means

RawLocalFileSystem.setTimes(Path, mtime, atime) sets timestamps through the NIO BasicFileAttributeView; when the view operation fails with NoSuchFileException (view resolution or setTimes on a missing file), it is translated to FileNotFoundException('File ... does not exist'). Negative mtime/atime values mean 'leave unchanged', so they never cause this error.

Source

Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/RawLocalFileSystem.java:1220

 
  /**
   * Sets the {@link Path}'s last modified time and last access time to
   * the given valid times.
   *
   * @param mtime the modification time to set (only if no less than zero).
   * @param atime the access time to set (only if no less than zero).
   * @throws IOException if setting the times fails.
   */
  @Override
  public void setTimes(Path p, long mtime, long atime) throws IOException {
    try {
      BasicFileAttributeView view = Files.getFileAttributeView(
          pathToFile(p).toPath(), BasicFileAttributeView.class);
      FileTime fmtime = (mtime >= 0) ? FileTime.fromMillis(mtime) : null;
      FileTime fatime = (atime >= 0) ? FileTime.fromMillis(atime) : null;
      view.setTimes(fmtime, fatime, null);
    } catch (NoSuchFileException e) {
      throw new FileNotFoundException("File " + p + " does not exist");
    }
  }

  /**
   * Hook to implement support for {@link PathHandle} operations.
   * @param stat Referent in the target FileSystem
   * @param opts Constraints that determine the validity of the
   *            {@link PathHandle} reference.
   */
  protected PathHandle createPathHandle(FileStatus stat,
      Options.HandleOpt... opts) {
    if (stat.isDirectory() || stat.isSymlink()) {
      throw new IllegalArgumentException("PathHandle only available for files");
    }
    String authority = stat.getPath().toUri().getAuthority();
    if (authority != null && !authority.equals("file://")) {
      throw new IllegalArgumentException("Wrong FileSystem: " + stat.getPath());
    }

View on GitHub (pinned to 2add963021)

Solutions

1. Check existence right before setTimes: if (fs.exists(p)) fs.setTimes(p, mtime, atime);
2. Fix the stale path in the job/config if files legitimately moved.
3. Catch FileNotFoundException and skip when operating on best-effort metadata of concurrently-changing trees.
4. Pass -1 for times you do not want to change instead of fabricated values.

Example fix

// before
fs.setTimes(outFile, mtime, atime); // file renamed by committer -> FNF

// after
if (fs.exists(outFile)) {
  fs.setTimes(outFile, mtime, atime);
} else {
  LOG.debug("Skipping setTimes; {} no longer exists", outFile);
}

if (fs.exists(p)) {
  fs.setTimes(p, mtime >= 0 ? mtime : -1, atime >= 0 ? atime : -1);
} else {
  LOG.debug("setTimes skipped; {} does not exist", p);
}

try {
  fs.setTimes(p, mtime, atime);
} catch (FileNotFoundException e) {
  // metadata preservation is best-effort on concurrently changing trees
  LOG.debug("{} gone before setTimes", p);
}

When it happens

Trigger: Calling fs.setTimes(p, mtime, a) on a local path that does not exist: touching output files that were moved/committed already, distcp preservation touching deleted files, or races where a cleaner removed the file before the timestamp stage.

Common situations: DistCp -p preserving times on files deleted mid-copy by a concurrent job, post-processing hooks touching files a committer already renamed, typo'd paths, or unmounted volumes in containers.

Understand the failure class

Background: "File not found" and ENOENT errors: why libraries can't find a file that should exist — this error's family across 50 libraries.

Related errors

• File " + f + " not found
• File " + f + " does not exist
• Parent directory doesn't exist: {}
• key + ": No such file or directory."
• No such file or directory '{}'

AI-assisted analysis of apache/hadoop@2add963021 (2026-08-22). Data as JSON: /api/errors/11c284270604bc1c. Report an issue: GitHub.