intellij编译报错：Internal error: com.intellij.psi.tree.IFileElementType cannot be cast to com.intellij.psi.tree.IStubFileElementType

intellij编译时，报错，信息如下：

Internal error: com.intellij.psi.tree.IFileElementType cannot be cast to com.intellij.psi.tree.IStubFileElementType

解决办法：File-->Invalidate caches。

 

转自“http://www.blogjava.net/anchor110/articles/392811.html”