chroma-core/chroma · error · ValueError

The task type cannot be changed after the embedding function

Error message

The task type cannot be changed after the embedding function has been initialized.

What it means

Error "The task type cannot be changed after the embedding function has been initialized." thrown in chroma-core/chroma.

Source

Thrown at chromadb/utils/embedding_functions/google_embedding_function.py:348

    def get_config(self) -> Dict[str, Any]:
        config: Dict[str, Any] = {
            "api_key_env_var": self.api_key_env_var,
            "model_name": self.model_name,
            "task_type": self.task_type,
        }
        if self.dimension is not None:
            config["dimension"] = self.dimension
        return config

    def validate_config_update(
        self, old_config: Dict[str, Any], new_config: Dict[str, Any]
    ) -> None:
        if "model_name" in new_config:
            raise ValueError(
                "The model name cannot be changed after the embedding function has been initialized."
            )
        if "task_type" in new_config:
            raise ValueError(
                "The task type cannot be changed after the embedding function has been initialized."
            )
        if "dimension" in new_config:
            raise ValueError(
                "The dimension cannot be changed after the embedding function has been initialized."
            )

    @staticmethod
    def validate_config(config: Dict[str, Any]) -> None:
        """
        Validate the configuration using the JSON schema.

        Args:
            config: Configuration to validate

        Raises:
            ValidationError: If the configuration does not match the schema
        """

View on GitHub (pinned to aecdd12c8a)

When it happens

Trigger: Thrown at chromadb/utils/embedding_functions/google_embedding_function.py:348 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of chroma-core/chroma@aecdd12c8a (2026-08-16). Data as JSON: /api/errors/b382b981f7c3d4c2. Report an issue: GitHub.