An error has occurred. See error log for more details. Argument not valid
翻译过来是：一个错误已经发生。看到更多的细节错误日志。参数无效
解决方案就是：直接把当前的jsp页面关闭掉，重新打开就行了
jsp报An error has occurred. See error log for more details. Argument not valid错误
原文：http://www.cnblogs.com/luhan/p/5980039.html