如何在无认证子应用程序中摆脱“表单身份验证失败的请求（...）”异常？

I have a site that uses forms authentication. There are two more subapps alongside the site. Those subapps deliver static files, JSONS for ajax calls etc. Authentication in those subapps is set to "none", yet at least one of those subapps throws this exception every now and then:I have a site that uses forms authentication. T