注册之后登陆的失败

错误: 
at github.javaguide.springsecurityjwtguide.security.filter.JWTAuthenticationFilter.successfulAuthentication(JWTAuthenticationFilter.java:73) ~[classes/:na]
http 响应
`{
    "timestamp": "2019-10-14T01:23:26.399+0000",
    "status": 500,
    "error": "Internal Server Error",
    "message": "No message available",
    "path": "/auth/login"
}`
