oraios/serena · error · ValueError

The ignore spec could not be computed; please check the log

Error message

The ignore spec could not be computed; please check the log for errors and report here: https://github.com/oraios/serena/issues

What it means

Raised by the Project._ignore_spec property (src/serena/project.py:192) when the lazily-computed ignore spec is still None after waiting on the background initialization event. This is a defensive guard: the background thread that computes the ignore spec should either succeed or set an error, so a None value indicates an unexpected internal failure.

Source

Thrown at src/serena/project.py:192

        :param relative_path: the path to the file relative to the project root or an external
            path token like "<ext:FileUtil.class|472e0a13>"
        :return: the content of the file
        """
        return FileProxy.from_project_relative_path(self, relative_path).get_contents()

    @property
    def _ignore_spec(self) -> pathspec.PathSpec:
        """
        :return: the pathspec matcher for the paths that were configured to be ignored,
            either explicitly or implicitly through .gitignore files.
        """
        if not self._ignore_spec_available.is_set():
            log.info("Waiting for ignore spec to become available ...")
            self._ignore_spec_available.wait()
            if self.__ignore_spec is not None:
                log.info("Ignore spec is now available for project; proceeding")
        if self.__ignore_spec is None:
            raise ValueError(
                "The ignore spec could not be computed; please check the log for errors and report here: https://github.com/oraios/serena/issues"
            )
        return self.__ignore_spec

    @property
    def _ignored_patterns(self) -> list[str]:
        """
        :return: the list of ignored path patterns
        """
        if not self._ignore_spec_available.is_set():
            log.info("Waiting for ignored patterns to become available ...")
            self._ignore_spec_available.wait()
            if self.__ignored_patterns is not None:
                log.info("Ignored patterns are now available for project; proceeding")
        if self.__ignored_patterns is None:
            raise ValueError(
                "The ignored patterns could not be computed; please check the log for errors and report here: https://github.com/oraios/serena/issues"
            )

View on GitHub (pinned to 7fcbca7e62)

Solutions

1. Check the Serena log files for the exception raised during ignore-spec computation
2. Simplify or fix malformed .gitignore/.serena/ignore patterns that may break the computation
3. Report the issue at https://github.com/oraios/serena/issues with the log excerpt

# wait briefly and check event before touching internals
project._ignore_spec_available.wait(timeout=30)

spec = project._Project__ignore_spec  # name-mangled attr; avoid direct access
if spec is None: treat as unavailable

try:
    spec = project._ignore_spec
except ValueError as e:
    logging.error('Ignore spec unavailable: %s — file a Serena bug with logs', e)
    spec = None

When it happens

Trigger: Accessing _ignore_spec while the background ignore-spec computation crashed without recording a result, or a race/configuration bug in the ignore-spec initialization machinery.

Common situations: Bugs in pathspec/ignore parsing; corrupted .gitignore/.serena config that crashes the initializer; a genuine Serena bug — the message itself asks users to file an issue.

Related errors

• The ignored patterns could not be computed; please check the
• Path {relative_path} is ignored
• This method must be overridden for each subclass
• Context file not found: {path.resolve()}
• Cannot use both fixed_tools and excluded_tools/included_opti

AI-assisted analysis of oraios/serena@7fcbca7e62 (2026-08-29). Data as JSON: /api/errors/b13dbf7f1ee7b515. Report an issue: GitHub.