Error Handling & Input Validation
Incorrect exception handling
Last updated: 4 Mar 2026
Definition
Catches are too broad, swallow errors, or retry non-retriable failures.
How to fix Incorrect exception handling?
Catch specific exceptions; rethrow or map appropriately; log with context; add tests that assert error paths
Symptoms
Observable signs that may indicate Incorrect exception handling:
- Errors swallowed; system continues in corrupted state.
- Generic catch blocks mask root causes.
- Retries applied to non-retriable errors.
Example Errors:
- catch (Exception e) { /* ignore */ }
- Suppressed exception: original cause hidden
- Retry storm detected