No proposals have been found to fix the unresolvable reference to 'Exception'.Click here to manually configure the build path of project xxx.

• 问题：导入文件源码出现JRE文件报错，如Exception、Class等

• 解决：

  BuildPath——Configure Build Path——remove JRESystem Library——重新进入源码文件——找到报错——Fix project setup——重新导包