qq_31671169的博客

严重: Servlet.service() for servlet [jsp] in context with path [] threw exception [java.lang.NullPointerException] with root causejava.lang.NullPointerException at org.apache.jsp.index_jsp._jspInit(index_jsp.java:31) at org.apache.jasper.runtime.Htt...

1.问题用IDEA打开 java项目编译时，出现以下错误：java 非法字符 \ufeff2.原因Eclipse可以把UTF-8+BOM文件转为普通的UTF-8文件，IDEA没有这个智能转换。3.解决办法1 用IDEA转换，先转换为GBK，再转回UTF-82 用其它编辑器转换，例如notpade++、sublime等原理一样，操作略。转载：https://www.baidu.com/link?url=8NdvIj33se8G...