Intellj IDEA jsp web项目404

HTTP Status 404 – Not Found

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Type Status Report

Message Not found

Description The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.

• 项目 out目录缺少文件

  out	当前工程的输出，包括所有的资源和类文件

 使用工具栏的Build Artifacts-----> Build一下，或者build一下 Project

• Configuration配置不对

        比如，忘记将项目发布