iailab-framework/iailab-common/src/main/java/com/iailab/framework/common/exception/ExceptionUtils.java

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/**
 * Copyright (c) 2018 人人开源 All rights reserved.
 *
 * https://www.renren.io
 *
 * 版权所有，侵权必究！
 */

package com.iailab.framework.common.exception;

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

/**
 * Exception工具类
 *
 * @author Mark sunlightcs@gmail.com
 */
public class ExceptionUtils {

    /**
     * 获取异常信息
     * @param ex  异常
     * @return    返回异常信息
     */
    public static String getErrorStackTrace(Exception ex){
        StringWriter sw = null;
        PrintWriter pw = null;
        try {
            sw = new StringWriter();
            pw = new PrintWriter(sw, true);
            ex.printStackTrace(pw);
        }finally {
            try {
                if(pw != null) {
                    pw.close();
                }
            } catch (Exception e) {

            }
            try {
                if(sw != null) {
                    sw.close();
                }
            } catch (IOException e) {

            }
        }

        return sw.toString();
    }
}