aiogram/docs/dispatcher/class_based_handlers/error.md

ErrorHandler

There is base class for error handlers.

Simple usage:

from aiogram.handlers import ErrorHandler

...

@router.errors_handler()
class MyHandler(ErrorHandler):
    async def handle(self) -> Any:
        log.exception(
            "Cause unexpected exception %s: %s", 
            self.event.__class__.__name__, 
            self.event
        )

Extension

This base handler is subclass of BaseHandler

Related pages

• BaseHandler
• Router.errors_handler
• Filters