Config File Provider Plugin & Credentials Plugin: Credential Replacement Not working

[ZT]

I have a few credentials defined and i want them replaced in the maven settings file (defined through the Config File Provider Plugin) - same server Id's

I went through the documentation of Config File Provider Plugin and defined it as attached.

But when i my free style job referring to this settings file, mvn does not download anything from the Maven Repository citing 'Unauthorized' .This makes me believe that the credentials are not being injected

Is there a way to debug this ? 

My plugin versions below:

config-file-provider

2.11

credentials-binding

1.8

credentials

2.1.4

Jenkins Version: 2.0

Regards,

Z