An internal error occurred during: "Initializing Java Tooling". java.lang.NullPointerException

An internal error occurred during: "Initializing Java Tooling". java.lang.NullPointerExceptionAn internal error occurred during: "Initializing Java Tooling". java.lang.NullPointerExceptionAn internal error occurred during: "Initializing Java Tooling". java.lang.NullPointerExceptionAn internal error occurred during: "Initializing Java Tooling". java.lang.NullPointerException

解决方法:

删除Eclipse_Code.metadata.plugins\org.eclipse.core.resources.projects 目录下的文件,这个目录在自己项目所储存的盘符中可以找到路径。删除后重新启动就可以了。