phacility/phabricator · error · Exception

Refusing to assess image dimensions of chunked file.

Error message

Refusing to assess image dimensions of chunked file.

What it means

Error "Refusing to assess image dimensions of chunked file." thrown in phacility/phabricator.

Source

Thrown at src/applications/files/storage/PhabricatorFile.php:1112

  }

  public function updateDimensions($save = true) {
    if (!$this->isViewableImage()) {
      throw new Exception(pht('This file is not a viewable image.'));
    }

    if (!function_exists('imagecreatefromstring')) {
      throw new Exception(pht('Cannot retrieve image information.'));
    }

    if ($this->getIsChunk()) {
      throw new Exception(
        pht('Refusing to assess image dimensions of file chunk.'));
    }

    $engine = $this->instantiateStorageEngine();
    if ($engine->isChunkEngine()) {
      throw new Exception(
        pht('Refusing to assess image dimensions of chunked file.'));
    }

    $data = $this->loadFileData();

    $img = @imagecreatefromstring($data);
    if ($img === false) {
      throw new Exception(pht('Error when decoding image.'));
    }

    $this->metadata[self::METADATA_IMAGE_WIDTH] = imagesx($img);
    $this->metadata[self::METADATA_IMAGE_HEIGHT] = imagesy($img);

    if ($save) {
      $this->save();
    }

    return $this;

View on GitHub (pinned to 5720a38cfe)

When it happens

Trigger: Thrown at src/applications/files/storage/PhabricatorFile.php:1112 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of phacility/phabricator@5720a38cfe (2026-08-21). Data as JSON: /api/errors/814b1a5dc4765bcc. Report an issue: GitHub.