Inconsistent Error Model

Kind: anti-pattern

Layer: Enforcement Core

Record: architecture:inconsistent-error-model

Severity: discouraged

Scope: model_governance

Formed by: Mix exceptions, nulls, booleans, strings, partial objects, console logging, and silent failure for the same error class.

Canonical: Ontology

A defect in which one class of failure is reported through several incompatible shapes.

Listed in Architecture principles, after Ambient Context and before Exception Control Flow.

Refactored by

• Introduce Typed Result
• Standard Error Contract
• Error Boundaries

Severity

• discouraged

Category

• Anti-patterns

Force

• Model governance

Violates

• API Contract
• Uniform Interface

Negated by

• Semantic Consistency

Linked from

• Execution joins the halves
• Anti-patterns
• Contracts / Interfaces / Compatibility
• Schema / Canonical Data / Semantics
• Contracts / Interfaces / Compatibility
• Core Vocabulary
• Error Handling / Resilience
• Severity levels
• The forces