Java获取异常信息字符串

   /**
     * 获取异常信息
     */
    public static String getStackTraceInfo(Exception e) {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        try {
            e.printStackTrace(pw);
            pw.flush();
            sw.flush();
            return sw.toString();
        } finally {
            try {
                pw.close();
            } catch (Exception ex) {
                ex.printStackTrace();
            }
            try {
                sw.close();
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
    }