[英]Get stack trace in Java
如何在Java中獲取異常堆棧跟蹤? 我可以使用Thread.currentThread()。getStackTrace()。但是得到錯誤亞麻布
正確:
java.lang.ArithmeticException: / by zero
at me.edagarli.Main.main(Main.java:32)
錯誤:
java.lang.ArithmeticException: / by zero
java.lang.Thread.getStackTrace(Thread.java:1589)
me.edagarli.Main.main(Main.java:54)
public String getFullErrorDescription(Exception exceptionObj ) {
String textmsg = "";
if (exceptionObj != null) {
StackTraceElement[] ste = exceptionObj.getStackTrace();
textmsg += "\nIn File : " + ste[index].getClassName() + " ";
textmsg += "\nIn Method : " + ste[index].getMethodName() + "() ";
textmsg += "\nAt Line :" + ste[index].getLineNumber() + " ";
}
System.err.println(textmsg);
return textmsg;
}
如果您需要將堆棧跟蹤消息放入String實例,您可以使用:
public String getStackTraceAsString(Exception ex){
StackTraceElement[] elements = ex.getStackTrace();
String stacktraceMessage = "";
for(StackTraceElement element : elements){
stacktraceMessage += "\nIn File : " + element.getClassName() + " ";
stacktraceMessage += "\nIn Method : " + element.getMethodName() + " ";
stacktraceMessage += "\nAt Line :" + element.getLineNumber() + " ";
}
return stacktraceMessage;
}
如果只需要打印堆棧跟蹤,可以使用printStackTrace方法:
try{
int a = 100 / 0;
}catch (Exception ex){
ex.printStackTrace();
}
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