Return Template Response Assertion Results in API Explorer Error
Article ID: 42591
Updated On:
Products
Issue/Introduction
If a policy author uses the "Return Template Response to Requestor" assertion with the "Send Response Immediately" checkbox ticked within their Gateway Published API or Policy Template, it will unset all of the CORS headers that are used to support testing via the API Explorer. The behavior that you would see in the API Explorer is that consumption fails due to the following error:
Error: Unable to make request. This may be due to a network error or a Cross-Origin Resource Sharing request pre-flight failure.
Environment
API Developer Portal SaaS (API Management Portal)
Resolution
Solution 1: Untick the "Send Response Immediately" checkbox within "Return Template Response to Requestor" assertion.
Solution 2: Use the built-in context variable called "response" to manipulate the response, as this will retain any headers already set within it.
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