pathwaycom/pathway · error · ValueError

Invalid init_mode: {init_mode}

Error message

Invalid init_mode: {init_mode}

What it means

Error "Invalid init_mode: {init_mode}" thrown in pathwaycom/pathway.

Source

Thrown at python/pathway/io/_utils.py:761

        return None
    if column._table != table:
        raise ValueError(f"The column {column} doesn't belong to the target table")
    for index, table_column in enumerate(table._columns):
        if table_column == column.name:
            return index
    raise RuntimeError(f"The column {column} is not found in the table {table}")


def init_mode_from_str(init_mode: str) -> api.TableWriterInitMode:
    match init_mode:
        case "default":
            return api.TableWriterInitMode.DEFAULT
        case "create_if_not_exists":
            return api.TableWriterInitMode.CREATE_IF_NOT_EXISTS
        case "replace":
            return api.TableWriterInitMode.REPLACE
        case _:
            raise ValueError(f"Invalid init_mode: {init_mode}")

View on GitHub (pinned to fa2f74a464)

Solutions

1. Pass a valid init_mode value accepted by this connector.

Example fix

pw.io.debezium.read(..., init_mode='default')

When it happens

Trigger: Thrown at python/pathway/io/_utils.py:761 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of pathwaycom/pathway@fa2f74a464 (2026-08-15). Data as JSON: /api/errors/4c7fe8d8bfc895dd. Report an issue: GitHub.