Azure Functions App connection to KeyVault fails with 401 response. #6
Description
As the title suggests, once all the resources had been deployed and the user-assigned Managed ID was provided with the required roles and permissions, the Functions App fails to successfully establish connection with the key vault to get the existing secret key.
Below is the exact error displayed in output logs:
Result: Failure Exception: IOException: Server returned HTTP response code: 401 for URL: http://localhost:8081/msi/token?resource=https%3A%2F%2Fvault.azure.net&api-version=2017-09-01&client_id=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx Stack: java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at ...
Is there a known fix for this? I've been up and down SO and all related Azure documentation but didn't come across anything useful :(