n internal error occurred during: "Launching portal on Tomcat 7.x (1)". java.lang.NullPointerExcept
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import入myEclipse的工程编译没有问题，但是无法部署到Tomcat：
An internal error occurred during: "Launching portal on Tomcat 7.x (1)". java.lang.NullPointerException
网上说删除工作空间下的“/.metadata/.plugins/org.eclipse.core.runtime/.settings/com.genuitec.eclipse.ast.deploy.core.prefs”这个文见，不管用！
自己摸索了很久发现有个地方重配了一下就可以了：Properties -> MyEclipse ->Web -> Context Root ->配置一下Web-root folder
相关的截图如下：
下面的配置不知道有没有关联，也贴一下
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