Baptiste AIGLIN created CXF-8179:
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Summary: JSON Jackson does not handle resource returning
CompletionStage<X>
Key: CXF-8179
URL: https://issues.apache.org/jira/browse/CXF-8179
Project: CXF
Issue Type: Bug
Components: JAX-RS
Affects Versions: 3.3.4
Reporter: Baptiste AIGLIN
Attachments: cxf-mp-reproducer.zip, exception.txt
Hello,
While testing to integrate the CXF Microprofile implementation in order to
perform asynchronous client calls using client proxies, I encounter the
Exception raised by the json provider due to the returned generic type being
CompletionStage.
It is clear that MicroProfileClientProxyImpl#getReturnType(Method, Message) is
behaving correctly regarding the returnType, however inside the
ClientProxyImpl#handleResponse(Message, Class<?>) we also compute the
genericType based on the method.getGenericReturnType() which is of type
CompletionStage, therefore the provider is not able to deserialize the String
correctly as internally it uses the genericType.
Do you think it could be possible to update the
InjectionUtils.processGenericTypeIfNeeded to add cases for CompletionStage in
order to change the genericType returned in this case ?
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