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https://issues.apache.org/jira/browse/FINERACT-2568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ralph Hopman resolved FINERACT-2568.
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Resolution: Fixed
> Remove unnecessary @Consumes annotations from GET and DELETE endpoints
> ----------------------------------------------------------------------
>
> Key: FINERACT-2568
> URL: https://issues.apache.org/jira/browse/FINERACT-2568
> Project: Apache Fineract
> Issue Type: Improvement
> Reporter: Ralph Hopman
> Assignee: Ralph Hopman
> Priority: Trivial
>
> HTTP {{GET}} and {{DELETE}} operations typically do not accept a request
> body. However, many JAX-RS API resource classes in the codebase annotate
> these methods with {{{}@Consumes(\{ MediaType.APPLICATION_JSON }){}}}. This
> is misleading, as it implies the endpoint expects a request body when it does
> not. It can also result in unexpected {{415 Unsupported Media Type}}
> responses on {{DELETE}} requests where the {{Content-Type}} header is not set.
> There are two variants of this issue:
> # *Method-level:* {{@Consumes}} is placed directly on {{@GET}} or
> {{@DELETE}} methods that have no body parameter. For example, the
> {{retrieveAll}} method in {{SavingsProductsApiResource}} or the {{delete}}
> method in {{{}UsersApiResource{}}}.
> # *Class-level:* {{@Consumes}} is placed on the class, which causes it to
> apply to _all_ methods — including {{@GET}} and {{@DELETE}} methods that
> should not have it. For example, {{{}NotesApiResource{}}},
> {{{}SearchApiResource{}}}, {{{}HookApiResource{}}}, and others.
> h3. Scope
> A thorough analysis of the codebase identifies approximately *138 affected
> files* across all modules ({{{}fineract-provider{}}}, {{{}fineract-core{}}},
> {{{}fineract-accounting{}}}, {{{}fineract-branch{}}},
> {{{}fineract-charge{}}}, {{{}fineract-document{}}},
> {{{}fineract-investor{}}}, {{{}fineract-loan{}}},
> {{{}fineract-loan-origination{}}}, {{{}fineract-mix{}}},
> {{{}fineract-progressive-loan{}}}, {{{}fineract-rates{}}},
> {{{}fineract-security{}}}, {{{}fineract-tax{}}},
> {{{}fineract-working-capital-loan{}}}).
> h3. Proposed Changes
> * Remove {{@Consumes(\{ MediaType.APPLICATION_JSON })}} from all {{@GET}}
> methods (they never accept a body).
> * Remove {{@Consumes(\{ MediaType.APPLICATION_JSON })}} from {{@DELETE}}
> methods that do not accept a body parameter. {{@DELETE}} methods that _do_
> accept a body (e.g., in {{{}DatatablesApiResource{}}},
> {{{}EntityDatatableChecksApiResource{}}},
> {{{}CreditBureauIntegrationApiResource{}}},
> {{{}ReportMailingJobApiResource{}}}) will be left unchanged.
> * For class-level {{@Consumes}} annotations on classes that contain {{@GET}}
> or {{@DELETE}} methods: remove the class-level annotation and add
> {{@Consumes}} to each individual {{@POST}} / {{@PUT}} method that needs it.
> * Special case: {{EchoHeadersApiResource}} uses {{@Consumes(\{
> MediaType.WILDCARD })}} on a {{@GET}} intentionally and will not be modified.
> * Remove unused {{Consumes}} and {{MediaType}} imports where applicable.
> h3. Motivation
> * Improved API correctness and clarity for consumers of the REST API.
> * More accurate OpenAPI / Swagger documentation generation
> ({{{}@Consumes{}}} affects the generated spec).
> * Aligns with JAX-RS best practices.
> h3. Risk Assessment
> Low. This is a metadata-only change on the JAX-RS annotations. It does not
> alter any business logic, request routing, or response behavior. {{GET}} and
> {{DELETE}} requests without a body were never actually consuming JSON — the
> annotation was simply ignored by the runtime.
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