JVM解惑:消失的异常堆栈

https://juejin.im/post/5a77ba3c5188257a6a78a6e1#heading-0

https://www.jianshu.com/p/cc1bd35466cb

是由于多次打印同一个异常多次之后，JVM做了优化，不再打印异常栈，官网的解释如下：

https://www.oracle.com/java/technologies/javase/release-notes-Introduction.html#vm

jvm源码这样说：