{"record":{"id":"9db44e0ca0db2aae","repo":"Intervention/image","slug":"failed-to-open-file-from-path-path","errorCode":null,"errorMessage":"Failed to open file from path \"' . $path . '\"","messagePattern":"Failed to open file from path \"' \\. \\$path \\. '\"","errorType":"exception","errorClass":"FileNotReadableException","httpStatus":null,"severity":"error","filePath":"src/File.php","lineNumber":56,"sourceCode":"    }\n\n    /**\n     * {@inheritdoc}\n     *\n     * @see FileInterface::fromPath()\n     *\n     * @throws InvalidArgumentException\n     * @throws DirectoryNotFoundException\n     * @throws FileNotFoundException\n     * @throws FileNotReadableException\n     * @throws StreamException\n     */\n    public static function fromPath(string $path): self\n    {\n        $stream = fopen(self::readableFilePathOrFail($path), 'r');\n\n        if ($stream === false) {\n            throw new FileNotReadableException('Failed to open file from path \"' . $path . '\"');\n        }\n\n        return new self($stream);\n    }\n\n    /**\n     * {@inheritdoc}\n     *\n     * @see FileInterface::save()\n     *\n     * @throws InvalidArgumentException\n     * @throws DirectoryNotFoundException\n     * @throws FileNotWritableException\n     * @throws StreamException\n     */\n    public function save(string $path): void\n    {\n        if ($path === '') {","sourceCodeStart":38,"sourceCodeEnd":74,"githubUrl":"https://github.com/Intervention/image/blob/5598b9e39751c34afc5cdee84abef77f92c26f68/src/File.php#L38-L74","documentation":"File::fromPath() first validates the path via readableFilePathOrFail() (existence, readability) and then calls fopen(). If fopen() still returns false despite the passing pre-checks, this FileNotReadableException (a FilesystemException) is thrown. It signals a check-then-open race or an environment-level failure: the file was deleted or its permissions changed between the two calls, an open_basedir restriction interfered, or the process ran out of file descriptors.","triggerScenarios":"Two processes handling the same temporary file where one unlinks it between Intervention's readability check and the fopen() call; permissions being revoked mid-request; a process at its open-file limit (ulimit -n); PHP running with an open_basedir boundary that excludes the real path.","commonSituations":"High-concurrency queue workers processing shared temp files that a cleanup job deletes; tmpwatch/systemd-tmpfiles removing files during long-running requests; shared hosting with restrictive open_basedir; fd exhaustion under heavy parallel image processing.","solutions":["Make temp-file lifecycles exclusive to one worker (unique tempnames via tempnam(), delete only after processing)","Catch FilesystemException around read operations and retry once or re-enqueue the job","Check open_basedir in php.ini and raise the open-file limit (ulimit -n) for long-running workers","Verify the file still exists and is readable immediately before the call to shrink the race window"],"exampleFix":"// before\n$file = File::fromPath($sharedTmpPath); // another worker unlinks it concurrently\n\n// after\n$path = tempnam(sys_get_temp_dir(), 'img_');\ncopy($sharedTmpPath, $path); // private copy\n$file = File::fromPath($path);","handlingStrategy":"try-catch","validationCode":"if (!is_string($path) || !is_file($path) || !is_readable($path)) {\n    throw new RuntimeException('Image file missing or unreadable: ' . $path);\n}\n// note: a race can still occur between this check and the internal fopen()","typeGuard":null,"tryCatchPattern":"use Intervention\\Image\\Exceptions\\FilesystemException;\n\ntry {\n    $file = File::fromPath($path);\n} catch (FilesystemException $e) {\n    // covers FileNotFoundException, FileNotReadableException and this race case\n    Logger::warning('Failed to open image file', ['path' => $path]);\n    throw new RuntimeException('Image source unavailable', 0, $e);\n}","preventionTips":["Give each worker its own temp file (tempnam/copy) instead of sharing","Delay cleanup jobs until no worker can still reference the files","Monitor open-file limits (ulimit -n) for parallel image-processing workers"],"tags":["php","intervention-image","file","filesystem","race-condition","file-not-readable"],"backgroundTag":"file-open-failed","analyzedSha":"5598b9e39751c34afc5cdee84abef77f92c26f68","analyzedAt":"2026-08-23T02:17:31.068Z","schemaVersion":2},"datasetVersion":"2026-08-23T08:06:27.607Z"}