The dump engine has default settings to trigger a number of different dump types on specific events, which can be post-processed to determine the source of many problems.
If none of these problems are detected, the script invokes a default report that Outlines some general information about the state of the VM when the dump was produced.
如果这些问题都没有检测到，则脚本调用默认的报告，它介绍有关生成转储时VM状态的某些常规信息。
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Typically, these exceptions are handled by using the default behavior, printing out a stack dump, and ending the life of the thread.