How does error handling work in SAP Integration Suite?
In SAP Integration Suite, error handling is something you design into each integration flow. An exception subprocess catches failures, classifies them as recoverable or permanent, and decides the outcome: retry transient errors through JMS or Data Store persistence, and route permanent errors to an owner with enough context to fix them quickly.
Without deliberate handling, a failed flow simply ends with status FAILED and a technical error in the monitor. That is visible, but rarely actionable. A good standard adds three things.
- Classification: transport errors such as timeouts, HTTP 503 or 429 are usually recoverable; mapping and validation errors such as HTTP 400 or 422 are permanent and fail on every retry.
- Recovery: asynchronous flows persist the message so it can be retried with exponential backoff, capped, and dead-lettered once retries are exhausted.
- Visibility: the flow ends with a status that tells the truth, logs the message ID and a payload-free error summary, and alerts the team that owns the interface.
| Error type | Typical examples | Response |
|---|---|---|
| Recoverable | Timeout, HTTP 503, 429 | Retry with backoff |
| Permanent | Mapping error, HTTP 400, 422 | Stop and alert the data owner |
| Configuration | HTTP 401, 403, expired certificate | Alert the integration team |
The most damaging anti-pattern is catching an error and ending normally, so the monitor shows success while data is lost. Read the full SAP error handling guide for patterns, runbooks and maturity levels.
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