jsp页面出现Map cannot be resolved to a type
因为挺久没有修改过jsp文件了，突然出现了个错误：Map cannot be resolved to a type，记录一下。 【解决办法】： 在jsp文件头引入 <%@page import="java.util.Map" %> 或者 <%@page ...
原文：Java 出现cannot be resolved to a type
Exception in thread main java.lang.Error: Unresolved compilation problem: DataTool cannot be resolved to a type at com.sysutil.util.Example.main Example.java: ...
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