Java HotSpot™ 64-Bit Server VM warning: Sharing is only supported for boot loader classes because bootstrap classpath has been appende
尝试用IDEA*（IntelliJ IDEA 2020.2.1 x64）*进行Debug调试时，IDAE报错：
Java HotSpot™ 64-Bit Server VM warning: Sharing is only supported for
boot loader classes because bootstrap classpath has been appended
解决方案：
打开File->Settings，在搜索框内输入：async，去掉以下勾选。