Java获取异常堆栈信息

方法一：

public static String getStackTrace(Throwable t) {
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    try {
        t.printStackTrace(pw);
        return sw.toString();
    } finally {
        pw.close();
    }
}

方法二：

org.apache.commons.lang3.exception.ExceptionUtils.getStackTrace(e);