单点报错java.util.Map

[2022-05-23 09:25:29.486] |-[INFO] |-[8619966bc4fb4c07aaf702b953efe60d] |-[__Anyone__] |-[g5.sv.standardsso.SSOLoginFilter.postMethod(SSOLoginFilter.java:277)] |-[OTHER:   valid token result: http status code=200, and result=<{"result":"success","userRoles":",administrator","userGroups":"","param":"","userAlias":"admin","userId":"admin"}>]
[2022-05-23 09:25:29.520] |-[WARN] |-[8619966bc4fb4c07aaf702b953efe60d] |-[__Anyone__] |-[g5.sv.standardsso.SSOLoginFilter.doFilter(SSOLoginFilter.java:127)] |-[ERROR: [ErrCode: 0]  sso filter failed!]
java.lang.ClassCastException: class java.lang.String cannot be cast to class java.util.Map (java.lang.String and java.util.Map are in module java.base of loader 'bootstrap')



是由于返回的报文里的为空时不能写''码

这个返回信息是说参数没有按键值对形式输入，能麻烦您这边详细描述一下您是进行什么操作导致了这个报错的吗？