This is not a question but a simple maven dependency solution of oltu openid connect that I like to share. I found it might be helpful to other as there's not too many resource about it on the web.
I was having a problem with oltu openid connect dependency in maven (pom). Somehow I found its groupid, artifact, and its version. But whenever I insert the dependency in pom, eclipse notifies me with missing artifact. The problem seemed like this: