How to use Oauth 2.0 with grant type password? I also need to supply Authorizatio header value.

I had already tried this though, was not successful. The same works successfully when given through REST request.

{
"timestamp": 1525101120712,
"status": 500,
"error": "Internal Server Error",
"exception": "java.lang.RuntimeException",
"message": "org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'scopedTarget.postObjectStoreImpl': Scope 'request' is not active for the current thread; consider defining a scoped proxy for this bean if you intend to refer to it from a singleton; nested exception is java.lang.IllegalStateException: No thread-bound request found: Are you referring to request attributes outside of an actual web request, or processing a request outside of the originally receiving thread? If you are actually operating within a web request and still receive this message, your code is probably running outside of DispatcherServlet/DispatcherPortlet: In this case, use RequestContextListener or RequestContextFilter to expose the current request.",
"path": "/oauth/token"
}