如何在 Java 中获取当前堆栈跟踪？
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How can I get the current stack trace in Java?
提问by ripper234
How do I get the current stack tracein Java, like how in .NET you can do Environment.StackTrace?
我如何在 Java 中获取当前堆栈跟踪，就像在 .NET 中一样Environment.StackTrace？
I found Thread.dumpStack()but it is not what I want - I want to get the stack trace back, not print it out.
我找到了，Thread.dumpStack()但这不是我想要的 - 我想取回堆栈跟踪，而不是打印出来。
采纳答案by jjnguy
You can use Thread.currentThread().getStackTrace().
您可以使用Thread.currentThread().getStackTrace().
That returns an array of StackTraceElements that represent the current stack trace of a program.
它返回一个StackTraceElements数组，表示程序的当前堆栈跟踪。
回答by ripper234
Silly me, it's Thread.currentThread().getStackTrace();
傻我，这是 Thread.currentThread().getStackTrace();
回答by butterchicken
try {
}
catch(Exception e) {
StackTraceElement[] traceElements = e.getStackTrace();
//...
}
or
或者
Thread.currentThread().getStackTrace()
回答by Adamski
To get the stack trace of all threads you can either use the jstack utility, JConsole or send a kill -quit signal (on a Posix operating system).
要获取所有线程的堆栈跟踪，您可以使用 jstack 实用程序、JConsole 或发送 kill -quit 信号（在 Posix 操作系统上）。
However, if you want to do this programmatically you could try using ThreadMXBean:
但是，如果您想以编程方式执行此操作，您可以尝试使用 ThreadMXBean：
ThreadMXBean bean = ManagementFactory.getThreadMXBean();
ThreadInfo[] infos = bean.dumpAllThreads(true, true);
for (ThreadInfo info : infos) {
StackTraceElement[] elems = info.getStackTrace();
// Print out elements, etc.
}
As mentioned, if you only want the stack trace of the current thread it's a lot easier - Just use Thread.currentThread().getStackTrace();
如前所述，如果您只想要当前线程的堆栈跟踪，那就容易多了 - 只需使用Thread.currentThread().getStackTrace();
回答by Yishai
Thread.currentThread().getStackTrace();
is fine if you don't care what the first element of the stack is.
如果您不关心堆栈的第一个元素是什么，那很好。
new Throwable().getStackTrace();
will have a defined position for your current method, if that matters.
如果这很重要，将为您当前的方法定义一个位置。
回答by RealHowTo
Thread.currentThread().getStackTrace();
is available since JDK1.5.
从 JDK1.5 开始可用。
For an older version, you can redirect exception.printStackTrace()to a StringWriter():
对于旧版本，您可以重定向exception.printStackTrace()到StringWriter()：
StringWriter sw = new StringWriter();
new Throwable("").printStackTrace(new PrintWriter(sw));
String stackTrace = sw.toString();
回答by Leif Gruenwoldt
for (StackTraceElement ste : Thread.currentThread().getStackTrace()) {
System.out.println(ste);
}
回答by Vicky Kapadia
On android a far easier way is to use this:
在 android 上，一个更简单的方法是使用这个：
import android.util.Log;
String stackTrace = Log.getStackTraceString(exception);
回答by Salvador Valencia
I have a utility method that returns a string with the stacktrace:
我有一个实用方法，它返回一个带有堆栈跟踪的字符串：
static String getStackTrace(Throwable t) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw, true);
t.printStackTrace(pw);
pw.flush();
sw.flush();
return sw.toString();
}
And just logit like...
就像登录一样......
...
catch (FileNotFoundException e) {
logger.config(getStackTrace(e));
}
回答by stikkos
You can use Apache's commons for that:
您可以使用 Apache 的公共资源：
String fullStackTrace = org.apache.commons.lang3.exception.ExceptionUtils.getStackTrace(e);
