Eclipse 弹窗:An internal error occurred during: "Initializing Java Tooling"...

问题描述:

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

解决方法:
1.关闭Eclipse。
2.删除 当前工作目录文件夹下的 /.metadata/.plugins/org.eclipse.core.resources/.project。就是把初始化的项目删除,然后打开eclipse以后可以重新初始化。
Eclipse 弹窗:An internal error occurred during: "Initializing Java Tooling"...

3.重启elipse。
4.启动项目时会报错
Eclipse 弹窗:An internal error occurred during: "Initializing Java Tooling"...
5.删除项目
Eclipse 弹窗:An internal error occurred during: "Initializing Java Tooling"...
6. 重新导入项目
Eclipse 弹窗:An internal error occurred during: "Initializing Java Tooling"...
7.问题解决