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https://issues.apache.org/jira/browse/CXF-8530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17838978#comment-17838978
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Andriy Redko commented on CXF-8530:
-----------------------------------
Finally, the fix was merged!
https://github.com/swagger-api/swagger-core/pull/3955
> Error in OpenAPI descriptor for byte array properties
> -----------------------------------------------------
>
> Key: CXF-8530
> URL: https://issues.apache.org/jira/browse/CXF-8530
> Project: CXF
> Issue Type: Bug
> Affects Versions: 3.4.3
> Reporter: Luca Leonardo Scorcia
> Priority: Major
> Attachments: repro.patch
>
>
> When using OpenAPIFeature to generate the OpenAPIv3 description document for
> a CXF web service, the built-in type mapper generates a wrong output in the
> JSON document.
> For repro, take the example project at
> [https://github.com/apache/cxf/tree/master/distribution/src/main/release/samples/jax_rs/description_openapi_v3_web]
> and add a byte[] property to the Item class, like in the attached patch file.
> Run the project and scroll to the end of the generated json document at
> [http://localhost:9000/app/openapi.json]:
> {{"components" : {}}
> {{ "schemas" : {}}
> {{ "Item" : {}}
> {{ "type" : "object",}}
> {{ "properties" : {}}
> {{ "name" : {}}
> {{ "type" : "string"}}
> {{ },}}
> {{ "value" : {}}
> {{ "type" : "string"}}
> {{ },}}
> {{ {color:#ff0000}"binary" : {{color}}}
> {{{color:#ff0000} "type" : "array",{color}}}
> {{{color:#ff0000} "items" : {{color}}}
> {{{color:#ff0000} "type" : "string",{color}}}
> {{{color:#ff0000} "format" : "byte"{color}}}
> {{{color:#ff0000} }{color}}}
> {{{color:#ff0000} }{color}}}
> }
> }
> }
> }
> This is interpreted by OpenAPI codegen tools as a List of byte[].
> According to the OpenAPIv3 spec, byte arrays should actually be represented as
> {
> "type": "string",
> "format": "byte"
> }
> without the "type": "array" wrapper.
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