Exception in thread "main" java.lang.Error: Unresolved compilation problem
这个是我第一个Hello world ! 的Java小程序，就遭到了沉重打击。 这个错误，百度了一下以为是这个原因： http://www.360doc.com/content/12/1015/17/4152160_241639166.shtml 发现系统中的确装了好几个版本的Jdk【目前还没搞清Java和JDK的区别，反正当时就是在官网下载后，进行安装，貌似也会把Java一起安装，而且提示
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- 1. Exception in thread "main" java.lang.Error: Unresolved compilation problem:
- 2. javax.servlet.ServletException: File "/xml/hyperLinkList.jsp" not found
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