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MB-0826

Partially automated Review empty exception handlers

MB-C21 Module Reliability Review Low

Flag empty catch bodies in selected module PHP as suspected reliability issues.

Overview

Inspect each empty catch body in context. A swallowed exception can hide a failed operation; determine whether handling, rethrowing or an intentional documented exception is appropriate.

Why it Matters

An empty exception handler can hide a failed operation from callers and operators.

Interpret the reported resource and collection scope before making changes. Unsupported source, unresolved symbols and bounded collection gaps cannot establish a clean result.

Verification Steps

Manual Verification

  1. Inspect each empty catch body in context. A swallowed exception can hide a failed operation; determine whether handling, rethrowing or an intentional documented exception is appropriate.
  2. Inspect the reported file, declaration, package or evidence record in the same selected release. Keep source observations separate from effective runtime behavior.
  3. Apply the rule-specific remediation below, validate the affected behavior in staging, and rerun the same selection.

Command / Review Sample

php magebean.phar audit --path=/var/www/magento --profile=module-reliability --rules=MB-0826 --modules=Vendor_Module

Use the assessed Magento project and the appropriate application or read-only review account. Replace example hosts, paths and identifiers with the assessment scope; configuration and source fragments are illustrative.

Remediation / Fix Guidance

  1. Review the reported declaration or source location in context.
  2. Validate the affected lifecycle or operational behavior in staging.
  3. Rerun MB-0826 against the same release, profile and relevant file/key/package scope; compare the new evidence and inspect any independent collection gaps.

Examples

Illustrative declaration/review examples, not recorded scan output. A pass example concerns only the stated predicate and supported collected scope.

Fail Example

try { $service->run(); } catch (\Exception $e) {}

Pass Example

try { $service->run(); } catch (\Exception $e) { throw $e; }
// Nonempty handler; choose behavior appropriate to this operation.
// This does not establish complete error handling.

Scope and Evidence Limits

Rule revision: 1. Target modes: LOCAL.

Flag empty catch bodies in selected module PHP as suspected reliability issues.

Bounded static analysis. Runtime setup, handler dispatch, failure behavior and performance are outside the supported predicate.

Catalog coverage describes implementation capability, not a scan outcome. An incomplete manual review cannot establish that the criterion is satisfied.

References