<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Memory的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Memorytag</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Memorytag]]></copyright><item><title><![CDATA[jmeter测试 - 参数设置获取]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/105480342</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/105480342</guid><author>Memorytag</author><pubDate>Mon, 13 Apr 2020 01:45:55 +0800</pubDate><description><![CDATA[方式一：


  1. 请求头中不设置Content-type，使用默认content-type:application/x-www-form-urlencoded

  2.bodyData中参数设置为userId=1&amp;name=yang

  3.java中直接获取，或使用类接收

方式二：

  1.设置content_type为application...]]></description><category></category></item><item><title><![CDATA[Failed to read candidate component class:]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/73481390</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/73481390</guid><author>Memorytag</author><pubDate>Tue, 20 Jun 2017 11:00:39 +0800</pubDate><description><![CDATA[错误信息：
修改jdk1.7到1.8,后，出现spring版本太低，，需要升级到4.0以上；
tomcat也应该相应升级到8以上：不能直接复制server.xml(tomcat内部有不一样)
   
 spring 3.2不支持1.8编译环境，解决办法就是降为1.7编译环境

spring官网说了，要使用java8，只支持spring 4.X以上版本，而spring的使用最低Java要]]></description><category></category></item><item><title><![CDATA[无故多出mapper.out.xml ，--启动时会一直卡在数据库上，但又不会报错]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/72953498</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/72953498</guid><author>Memorytag</author><pubDate>Fri, 09 Jun 2017 12:01:21 +0800</pubDate><description><![CDATA[删除这个xml；]]></description><category></category></item><item><title><![CDATA[Another resource already exists with name]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/71633757</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/71633757</guid><author>Memorytag</author><pubDate>Thu, 11 May 2017 15:42:04 +0800</pubDate><description><![CDATA[一种是：真的已经存在了，，可以在项目中搜索一下，，


二是：项目中只配置了一次这个数据源，启动报已经存在，，这是atomikos多数据源没有加载到某一个数据源，自行处理的结果，，具体详情，可以自己可以去研究atomikos的源
码；
1，这里主要是驱动类的加载，，，，，
2，驱动包的引用，]]></description><category></category></item><item><title><![CDATA[Integer类型的比较]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/62419616</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/62419616</guid><author>Memorytag</author><pubDate>Thu, 16 Mar 2017 12:05:00 +0800</pubDate><description><![CDATA[都知道int有-128到127的缓存；
但使用过程中往往会忘记；这里涉及到int类型的拆装箱；请先了解拆装箱；
对于int类型,我们常用==来比较，忽略了Integer；

虽然Integer对象的值在-128到127之前时采用==的结果也是true；
但当超过这个范围后就会返回false，
所以对于integer的比较最好使用equalse来比较；]]></description><category></category></item><item><title><![CDATA[com.atomikos.icatch.HeurHazardException: Heuristic Exception]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/59144484</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/59144484</guid><author>Memorytag</author><pubDate>Wed, 01 Mar 2017 21:13:55 +0800</pubDate><description><![CDATA[先看看错误；





在查找启动时的日志；
仔细查找出错的地方，然后看看上下文；错误很明显了，日志文件被锁住了，在加载jta日志配置时尝试写入报错]]></description><category></category></item><item><title><![CDATA[mysql  报错 ，You can't specify target table <tbl> for update in FROM clause]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/49946045</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/49946045</guid><author>Memorytag</author><pubDate>Fri, 20 Nov 2015 13:11:25 +0800</pubDate><description><![CDATA[mysql中You can't specify target table  for update in FROM clause错误的意思是说，不能先select出同一表中的某些值，再update这个表(在同一语句中)。 例如下面这个sql：
delete from tbl where id in 
(
        select max(id) from tbl a where EXIST]]></description><category></category></item><item><title><![CDATA[sqlmap namespace ibatis 加载]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/49910681</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/49910681</guid><author>Memorytag</author><pubDate>Wed, 18 Nov 2015 18:00:02 +0800</pubDate><description><![CDATA[<!DOCTYPE sqlMapConfig PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN"
"http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
	
		<settings 
	                useStatementNamespaces="true" 
		/]]></description><category></category></item><item><title><![CDATA[Spring  jar包 相关介绍]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/49736381</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/49736381</guid><author>Memorytag</author><pubDate>Mon, 09 Nov 2015 11:28:29 +0800</pubDate><description><![CDATA[Spring——jar包详解





org.springframework.aop ——Spring的面向切面编程，提供AOP（面向切面编程）的实现



org.springframework.asm——spring 2.5.6的时候需要asm jar包，spring3.0开始提供它自己独立的asm jar包

org.springframework.aspects—]]></description><category></category></item><item><title><![CDATA[JAVA中的Random()函数]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/48492071</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/48492071</guid><author>Memorytag</author><pubDate>Wed, 16 Sep 2015 12:06:38 +0800</pubDate><description><![CDATA[JAVA中的Random()函数  详解]]></description><category></category></item><item><title><![CDATA[java   以excel格式到处数据]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/48001507</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/48001507</guid><author>Memorytag</author><pubDate>Wed, 26 Aug 2015 11:57:26 +0800</pubDate><description><![CDATA[以excel格式到处数据

package com.dept.web.context;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import jxl.Workbook;
i]]></description><category></category></item><item><title><![CDATA[Eclipse 导入外部项目无法识别为web项目  编译jar无法加载]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/48001045</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/48001045</guid><author>Memorytag</author><pubDate>Wed, 26 Aug 2015 11:29:43 +0800</pubDate><description><![CDATA[1、进入项目目录，找到.project文件，打开。

2、找到...代码段，加入如下标签内容并保存：

>org.eclipse.jem.workbench.JavaEMFNaturenature> 
nature>org.eclipse.wst.common.modulecore.ModuleCoreNaturenature> 
nature>org.eclipse.wst.common]]></description><category></category></item><item><title><![CDATA[Workbook解析excel文件  读取信息]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/47980137</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/47980137</guid><author>Memorytag</author><pubDate>Tue, 25 Aug 2015 17:19:43 +0800</pubDate><description><![CDATA[Workbook解析excel文件  读取信息


package com.dept.web.context;
import java.io.File;
import java.util.ArrayList;
import java.util.List;

import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
public class]]></description><category></category></item><item><title><![CDATA[java.util.ResourceBundle 和java.util.properties 读取配置文件区别]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/47977859</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/47977859</guid><author>Memorytag</author><pubDate>Tue, 25 Aug 2015 15:30:55 +0800</pubDate><description><![CDATA[java.util.ResourceBundle 和java.util.properties 读取配置文件区别

 

这两个类都是读取properties格式的文件的，而Properties同时还能用来写文件。  
   
  Properties的处理方式是将其作为一个映射表,而且这个类表示了一个持久的属性集,他是继承HashTable这个类。ResourceBundle本质上也是]]></description><category></category></item><item><title><![CDATA[Spring中Quartz的配置]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/47780331</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/47780331</guid><author>Memorytag</author><pubDate>Wed, 19 Aug 2015 14:36:42 +0800</pubDate><description><![CDATA[Quartz是一个强大的企业级任务调度框架，Spring中继承并简化了Quartz，下面就看看在Spring中怎样配置Quartz：
首先我们来写一个被调度的类：


Quartz的原理不是很复杂，只要搞明白几个概念，然后知道如何去启动和关闭一个调度程序即可。


1、Job

表示一个工作，要执行的具体内容。此接口中只有一个方法

void execute(JobExecu]]></description><category></category></item><item><title><![CDATA[访问量和在线人数统计]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/47776007</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/47776007</guid><author>Memorytag</author><pubDate>Wed, 19 Aug 2015 09:54:27 +0800</pubDate><description><![CDATA[com.dept.web.general.interceptor.UserListener
  
   
  
  
  com.dept.web.general.interceptor.OnlineSessionListener
  
   



import javax.servlet.http.HttpSessionEvent;
import javax.servl]]></description><category></category></item><item><title><![CDATA[quartz]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/47614935</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/47614935</guid><author>Memorytag</author><pubDate>Thu, 13 Aug 2015 16:43:01 +0800</pubDate><description><![CDATA[一个定时执行的job





?





1

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package

dk.spring.quartz;

 

impor]]></description><category></category></item><item><title><![CDATA[CentOS Linux下Java环境的安装和配置 (CentOS+JDK1.6.0_11)]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/47421191</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/47421191</guid><author>Memorytag</author><pubDate>Tue, 11 Aug 2015 15:39:24 +0800</pubDate><description><![CDATA[一、下载java 
网址：http://www.oracle.com/technetwork/java/javase/downloads/index.html 
我下的是jdk-6u43-linux-i586.bin

二、安装 
1、我是在opt下新建一个java文件夹 
#mkdir /opt/java

2、我用的WinSCP将JDK文件放入到/usr/java文件夹下 
]]></description><category></category></item><item><title><![CDATA[js 图片放缩]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/47420745</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/47420745</guid><author>Memorytag</author><pubDate>Tue, 11 Aug 2015 15:21:46 +0800</pubDate><description><![CDATA[前端js  处理图片，放缩图片大小]]></description><category></category></item><item><title><![CDATA[Mysql，sqlserver查询一天内,一周内,一月内的信息实例讲解]]></title><link>https://blog.youkuaiyun.com/Memorytag/article/details/47319919</link><guid>https://blog.youkuaiyun.com/Memorytag/article/details/47319919</guid><author>Memorytag</author><pubDate>Thu, 06 Aug 2015 17:17:50 +0800</pubDate><description><![CDATA[mysql ，sqlserver  时间加减法]]></description><category></category></item></channel></rss>