apache/hadoop · error · IOException

Har: setTimes not allowed

Error message

Har: setTimes not allowed

What it means

Error "Har: setTimes not allowed" thrown in apache/hadoop.

Source

Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/HarFileSystem.java:880

   */
  @Override
  public void completeLocalOutput(Path fsOutputFile, Path tmpLocalFile) 
    throws IOException {
    throw new IOException("Har: completeLocalOutput not allowed");
  }
  
  /**
   * not implemented.
   */
  @Override
  public void setOwner(Path p, String username, String groupname)
    throws IOException {
    throw new IOException("Har: setowner not allowed");
  }

  @Override
  public void setTimes(Path p, long mtime, long atime) throws IOException {
    throw new IOException("Har: setTimes not allowed");
  }

  /**
   * Not implemented.
   */
  @Override
  public void setPermission(Path p, FsPermission permission)
    throws IOException {
    throw new IOException("Har: setPermission not allowed");
  }

  /**
   * Declare that this filesystem connector is always read only.
   * {@inheritDoc}
   */
  @Override
  public boolean hasPathCapability(final Path path, final String capability)
      throws IOException {

View on GitHub (pinned to 2add963021)

Solutions

1. Har archives are read-only; set modification times on the source files before archiving.
2. Extract the file, modify times, and re-archive if needed.

When it happens

Trigger: Thrown at hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/HarFileSystem.java:880 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of apache/hadoop@2add963021 (2026-08-22). Data as JSON: /api/errors/df72c1e0131b9a79. Report an issue: GitHub.