JDK环境变量配置遇见的错误以及解决办法

cmd中输入java -version错误信息：

An error has occurred while processing the shared archive file.
Unable to unmap shared space.
Error occurred during initialization of VM
Unable to use shared archive.

解决办法：

Java\jre1.8.0_91\lib目录下，缺少rt.jar文件。

解决办法：拷贝rt.jar即可。