将Throwable.getStackTrace()的结果转换为描述堆栈跟踪的字符串最简单的方法是什么?


当前回答

解决方案是将数组的stackTrace转换为字符串数据类型。请参见以下示例:

import java.util.Arrays;

try{

}catch(Exception ex){
    String stack = Arrays.toString(ex.getStackTrace());
    System.out.println("stack "+ stack);
}

其他回答

使用Throwable.printStackTrace(PrintWriter pw)将堆栈跟踪发送到适当的编写器。

import java.io.StringWriter;
import java.io.PrintWriter;

// ...

StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
e.printStackTrace(pw);
String sStackTrace = sw.toString(); // stack trace as a string
System.out.println(sStackTrace);

选项很少

StringWriter sw=新StringWriter();e.printStackTrace(新的PrintWriter(sw));字符串异常AsString=sw.toString();使用Google Guava libString stackTrace=Throwables.getStackTraceAsString(myException);org.apache.commons.lang.exception.ExceptionUtils.getStackTrace(可丢弃)

警告:不包括原因(通常是有用的位!)

public String stackTraceToString(Throwable e) {
    StringBuilder sb = new StringBuilder();
    for (StackTraceElement element : e.getStackTrace()) {
        sb.append(element.toString());
        sb.append("\n");
    }
    return sb.toString();
}

Scala版本

def stackTraceToString(e: Exception): String = {
  import java.io.PrintWriter
  val sw = new StringWriter()
  e.printStackTrace(new PrintWriter(sw))
  sw.toString
}

解决方案是将数组的stackTrace转换为字符串数据类型。请参见以下示例:

import java.util.Arrays;

try{

}catch(Exception ex){
    String stack = Arrays.toString(ex.getStackTrace());
    System.out.println("stack "+ stack);
}