Errors are observed using a REST client with the CA Performance Manager product.
An error stating
"415 error (Unsupported Media Type)"
is observed from a REST client when working with CA Performance Manager.
Can be observed in all releases of Performance Manager
Can be observed in all REST clients available
Can be observed when targeting the CA Performance Center server or the CA Data Aggregator server with REST calls.
Can be observed using all support REST call options, including but not limited to a GET call, POST call or PUT call.
Due to incorrect REST Client configuration.
If the correct content type is not specified in the REST client, when it issues the call to the target REST server it fails.
Set the Content-Type to application/xml
Once set correctly the error will be resolved.
Please refer to the user documentation or Help section of the REST client in use.