When you send the request with Accept header and the api call failed due to authentication failure, by default WSO2 API Manager will return the application/xml as a response. However, If you want your Accept header to be honored in the authentication failure cases. In my sample, I have just introduced to handle JSON and default as XML.
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| <sequence name="_auth_failure_handler_" xmlns="http://ws.apache.org/ns/synapse"> | |
| <switch source="$trp:Accept"> | |
| <case regex="application/json"> | |
| <property name="error_message_type" value="application/json"/> | |
| </case> | |
| <default> | |
| <property name="error_message_type" value="application/xml"/> | |
| </default> | |
| </switch> | |
| <sequence key="_build_"/> | |
| </sequence> |
