Upgrade dep but oauth2 project not worked anymore.

[WhatAKitty]

<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <java.version>1.8</java.version>
        <spring-boot-admin.version>1.5.4</spring-boot-admin.version>
        <spring-boot.version>1.5.6.RELEASE</spring-boot.version>
        <spring-cloud.version>Dalston.SR3</spring-cloud.version>

[PC-Chiu]

I also verb the same probelm when upgrade spring-cloud and spring-boot-admin-client version，when follow the source I found that all management context path endpoint use BasicAuthenticationFilter but admin server use oauth2, but with demo version ,BasicAuthenticationFilter log in startup, but oauth2 used in runtime