Java 确定当前调用堆栈（用于诊断目的）
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Determining Current Call Stack (For Diagnostic Purposes)
提问by Thilo-Alexander Ginkel
For diagnostic purposes I sometimes need to store the call stack that lead to a given state transition (such as granting a lock, committing a transaction, etc.) so that when something goes wrong later I can find out who originally triggered the state transition.
出于诊断目的，我有时需要存储导致给定状态转换（例如授予锁、提交事务等）的调用堆栈，以便以后出现问题时我可以找出最初触发状态转换的人。
Currently, the only way I am aware of to retrieve the call stack looks like the following code snippet, which I consider terribly ugly:
目前，我所知道的检索调用堆栈的唯一方法类似于以下代码片段，我认为它非常难看：
StackTraceElement[] cause;
try {
throw new Exception();
} catch (Exception e) {
cause = e.getStackTrace();
}
Does somebody know of a better way to accomplish this?
有人知道实现这一目标的更好方法吗？
采纳答案by bruno conde
I think you can get the same thing with:
我认为你可以得到同样的东西：
StackTraceElement[] cause = Thread.currentThread().getStackTrace();
回答by Michael Myers
Well, you can improve it slightly by not actually throwing the exception.
好吧，您可以通过不实际抛出异常来稍微改进它。
Exception ex = new Exception();
ex.fillInStackTrace();
StackTraceElement[] cause = ex.getStackTrace();
Actually, I just checked: the constructor calls fillInStackTrace()already. So you can simplify it to:
实际上，我刚刚检查过：构造函数fillInStackTrace()已经调用了。因此，您可以将其简化为：
StackTraceElement[] cause = new Exception().getStackTrace();
This is actually what Thread.getStackTrace()does if it's called on the current thread, so you might prefer using it instead.
Thread.getStackTrace()如果在当前线程上调用它，这实际上是什么，因此您可能更喜欢使用它。
回答by Edward Anderson
If you want it as a String and use Apache Commons:
如果您希望将其作为字符串并使用 Apache Commons：
org.apache.commons.lang.exception.ExceptionUtils.getFullStackTrace(new Throwable())
