1. A method for error classification in an integration system, the method comprising: receiving a request to begin a transaction at the integration system; invoking an application associated with the request; in response to invoking the application, receiving a formatted error notification, the formatted error notification comprising at least one of a plurality of error formats; extracting an error message text from the formatted error notification, resulting in a plain text of the formatted error notification; and classifying, at the error classifier, the formatted error notification based at least on training data and the plain text of the formatted error notification.