HttpServlet cannot be resolved to a type

Description Resource Path Location Type
HttpServlet cannot be resolved to a type SimpleServlet.java /JavaHelloWorldApp/src/main/java/wasdev/sample/servlet line 15 Java Problem
HttpServletRequest cannot be resolved to a type SimpleServlet.java /JavaHelloWorldApp/src/main/java/wasdev/sample/servlet line 22 Java Problem
HttpServletResponse cannot be resolved to a type SimpleServlet.java /JavaHelloWorldApp/src/main/java/wasdev/sample/servlet line 22 Java Problem
ServletException cannot be resolved to a type SimpleServlet.java /JavaHelloWorldApp/src/main/java/wasdev/sample/servlet line 22 Java Problem
The import javax.servlet cannot be resolved SimpleServlet.java /JavaHelloWorldApp/src/main/java/wasdev/sample/servlet line 5 Java Problem
The import javax.servlet cannot be resolved SimpleServlet.java /JavaHelloWorldApp/src/main/java/wasdev/sample/servlet line 6 Java Problem
The import javax.servlet cannot be resolved SimpleServlet.java /JavaHelloWorldApp/src/main/java/wasdev/sample/servlet line 7 Java Problem
The import javax.servlet cannot be resolved SimpleServlet.java /JavaHelloWorldApp/src/main/java/wasdev/sample/servlet line 8 Java Problem
The import javax.servlet cannot be resolved SimpleServlet.java /JavaHelloWorldApp/src/main/java/wasdev/sample/servlet line 9 Java Problem

WebServlet cannot be resolved to a type SimpleServlet.java /JavaHelloWorldApp/src/main/java/wasdev/sample/servlet line 14 Java Problem

HttpServlet cannot be resolved to a type_第1张图片

在文章 Java中REST API使用示例——基于云平台+云服务打造自己的在线翻译工具 中从IBM Bluemix上下载的Java示例代码,导入到Eclipse之后,出现以上错误信息!


错误原因:

Eclipse是刚刚安装的,还没有配置服务器运行环境!

解决办法:

1、首先要安装一下Tomcat;

通常是下载一个zip压缩包,解压一下就可以了;

2、Eclipse中点击Window菜单,选择Preferences

HttpServlet cannot be resolved to a type_第2张图片

3、在左侧展开Server,选择Runtime Environment,右侧点击Add按钮

HttpServlet cannot be resolved to a type_第3张图片

4、在弹出的窗口中选择你的Tomcat版本

HttpServlet cannot be resolved to a type_第4张图片

5、点击“Browse”按钮选择Tomcat的安装位置,选择合适的JRE版本,点击Finish按钮完成。

HttpServlet cannot be resolved to a type_第5张图片

通过上面的步骤,上面的错误都全部解决了,如果你的项目还显示 有错误,就需要考虑其它原因了。


可以参考:xxx cannot be resolved to a type 错误解决方法



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