求大神帮忙，今天登陆ArcGIS Server时登录不上，里面的服务也访问不了

用PasswordReset -l查看用户密码时报错com.esri.arcgis.discovery.admin.AdminException A JSONObject text must begin with '{' at character 1 of
at com.esri.arcgis.discovery.admin.store.ServerConfigStore.getSuperUser(ServerConfigStore.java:5104)
at com.esri.arcgis.discovery.admin.security.SiteSecurityManager.getSuperUserName(SiteSecurityManager.java:2120)
at com.esri.arcgis.discovery.tools.PasswordReset.resetPassword(PasswordReset.java:121)
at com.esri.arcgis.discovery.tools.PasswordReset.main(PasswordReset.java:154)
Caused by: com.esri.arcgis.discovery.json.JSONException: A JSONObject text must begin with '{' at character 1 of
at com.esri.arcgis.discovery.json.JSONTokener.syntaxError(JSONTokener.java:454)
at com.esri.arcgis.discovery.json.JSONObject.<init>(JSONObject.java:175)
at com.esri.arcgis.discovery.json.JSONObject.<init>(JSONObject.java:273)
at com.esri.arcgis.discovery.admin.security.User.fromJSONString(User.java:166)
at com.esri.arcgis.discovery.admin.store.ServerConfigStore.getSuperUser(ServerConfigStore.java:5091)
... 3 more