Failed to create a Maven project: 'H:/IDEASpace/Other/Struts/pom.xml' already exists in VFS

删除项目Struts后又重新创建Struts项目就出现此问题！
解决方案：

1. Open any project in IntelliJ IDEA
2. Select “File > Invalidate Caches / Restart …”
3. Click on “Invalidate and Restart”