Sharing is only supported for boot loader classes because bootstrap classpath has been appended解决办法

idea启动项目的时候报了如下错误：OpenJDK 64-Bit Server VM warning: Sharing is only supported for boot loader classes because bootstrap classpath has been appended

 解决办法：打开idea设置，搜索框输入‘async’，去掉如下勾成功解决：

原文：https://www.cnblogs.com/qingmuchuanqi48/p/12257223.html