常用异常处理类

import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;

public class ExceptionUtil
{
    public static String stackTrace(Exception e)
    {
        StringBuilder sb = new StringBuilder();
        try
        {
            ByteArrayOutputStream buf = new ByteArrayOutputStream();
            e.printStackTrace(new PrintWriter(buf, true));
            sb.append(buf.toString());
        }
        catch (Exception ignored)
        {
            ignored.printStackTrace();
        }
        return sb.toString();
    }
}