maven在打包项目的时候报错

Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.2:war (default-war) on project taotao-manager-web: Error assembling WAR: webxml attribute is required (or pre-existing WEB-INF/web.xml if executing in update mode)

maven的web项目默认的webroot是在src\main\webapp。如果在此目录下找不到web.xml就抛出以上的异常。

其实如果标准的maven项目结构的话不会出现这个问题。

在eclipse中即使不使用骨架建立的也是比较标准的项目结构，但是在idea中不一样。

比如我使用maven建立一个web项目，开始的时候不选用骨架，先建立一个maven项目，再添加web环境，也即是下面这种结构

在这种结构下，如果不进行其他的配置，就会出现上述异常，其实好办，以后就先把项目结构建成这种，继续做如下操作

web文件夹-->webapp,然后把整个文件夹拖到main文件下就可以了。

其实这么做效率并没有降低，因为使用骨架的话生成骨架有时候会卡死，而且生成的结构并不是很完整，部分文件的内容也不标准。

好，以后就这样干吧，呵呵。。

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