<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[lanruqin的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/lanruqin</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; lanruqin]]></copyright><item><title><![CDATA[解决javax.naming.NameNotFoundException: Name jdbc is not bound in this Context]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/6201119</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/6201119</guid><author>lanruqin</author><pubDate>Tue, 22 Feb 2011 22:16:00 +0800</pubDate><description><![CDATA[以下方法对我有效：我在tamcaot6.0下的server.xml中已经进行了如下配置：
crossContext="true" privileged="true">
driverClassName="org.gjt.mm.mysql.Driver" name="jdbc/db" auth="Container"        username="root" 
password="mysqladmin" type="javax.sql.DataSource"
                    ]]></description><category></category></item><item><title><![CDATA[jfreechar画柱状图]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/6048356</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/6048356</guid><author>lanruqin</author><pubDate>Wed, 01 Dec 2010 17:25:00 +0800</pubDate><description><![CDATA[经朋友托付做一个网页，网页上显示Excel图标，刚开始一点头绪都没有，后来上网找了些资料，可以使用jfreechar这个jar来画Excel图标，这个jar包功能还是很强大，可以画出很多好看的图表，可以从http://www.jfree.org/jfreechart/index.html
下载jfreechar包可以从http://www.jfree.org/jfreechart/samples.html
下载jfreechar Demo这个很好，可以在Java虚拟机上运行查看效果，获取能找到你想画的图]]></description><category></category></item><item><title><![CDATA[java.lang.ClassNotFoundException: org.apache.commons.dbcp.BasicDataSource]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/83568178</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/83568178</guid><author>lanruqin</author><pubDate>Mon, 22 Mar 2010 13:14:12 +0800</pubDate><description><![CDATA[转自：http://23book.net/SoftwareDev/Java/54600.htm

整个系统都没有错误，但是在发布运行后，控制台上却抛出了这样的异常：
java.lang.ClassNotFoundException: org.apache.commons.dbcp.BasicDataSource
很显然这是一个没有找到对应的类文件的异常。
 
如是我在我引入的包中找，果...]]></description><category></category></item><item><title><![CDATA[转：实现java连接mysql数据库源码]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/83568150</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/83568150</guid><author>lanruqin</author><pubDate>Mon, 22 Mar 2010 11:49:13 +0800</pubDate><description><![CDATA[实现java连接mysql数据库源码
转：http://www.cnblogs.com/shiyangxt/archive/2008/07/10/1240300.html]]></description><category></category></item><item><title><![CDATA[unbuntu下配置java环境]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5390032</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5390032</guid><author>lanruqin</author><pubDate>Wed, 17 Mar 2010 17:20:00 +0800</pubDate><description><![CDATA[本文主要参考文章：ubuntu下Java环境配置 基本上是安本文所讲的进行java配置，相信能配置成功的。为什么要选择默认的java解释器呢？因为只能有好几个指向java的解释器，因此要选择 /usr/lib/jvm/java-6-sun/jre/bin/java为默认的解释器，但我不知道如果不选择默认的java浏览器的话会怎么样。在超级用户ro]]></description><category></category></item><item><title><![CDATA[用 Hadoop 进行分布式并行编程, 第 1 部分]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5373993</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5373993</guid><author>lanruqin</author><pubDate>Fri, 12 Mar 2010 14:38:00 +0800</pubDate><description><![CDATA[文章转自：用 Hadoop 进行分布式并行编程, 第 1 部分启动hadoop进程：bin/start-all.sh关闭hadopp进程：bin/stop-all.sh ]]></description><category></category></item><item><title><![CDATA[在Windows上安装Hadoop]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5372094</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5372094</guid><author>lanruqin</author><pubDate>Thu, 11 Mar 2010 23:05:00 +0800</pubDate><description><![CDATA[本文主要转自这篇文章：http://wendang.baidu.com/view/6af47921af45b307e8719799.html 先按这篇文章进行配置，配置到最后的启动hadoop到运行 ./hadoop fs -ls /这一步之前加入以下这句话export JAVA_HOME="C:/Program Files/Java/jdk1.6.0_10" (即是你的jdk]]></description><category></category></item><item><title><![CDATA[java.lang.UnsupportedClassVersionError问题的解决方法]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5351947</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5351947</guid><author>lanruqin</author><pubDate>Sat, 06 Mar 2010 14:50:00 +0800</pubDate><description><![CDATA[转自：java.lang.UnsupportedClassVersionError问题的解决方法                      JDK版本问题导致的javax.servlet.ServletException: Cannot find ActionMappings or ActionFormBeans collection]]></description><category></category></item><item><title><![CDATA[Multiple ConfigurationWarning exceptions encountered]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5351862</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5351862</guid><author>lanruqin</author><pubDate>Sat, 06 Mar 2010 14:08:00 +0800</pubDate><description><![CDATA[出现：Multiple ConfigurationWarning exceptions encountered原因是：你要重新部署一个项目是，原来的那个企业应用项目没有卸载掉导致异常，解决办法：打开管理控制台把原来企业项目的那个卸载掉]]></description><category></category></item><item><title><![CDATA[使用JavaScript将复杂表格导出为 Excel （1）]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5187283</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5187283</guid><author>lanruqin</author><pubDate>Wed, 13 Jan 2010 22:26:00 +0800</pubDate><description><![CDATA[转自：使用JavaScript将复杂表格导出为 Excel  （1）]]></description><category></category></item><item><title><![CDATA[IBM技术社区2009 Java 专区最受欢迎内容]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5187152</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5187152</guid><author>lanruqin</author><pubDate>Wed, 13 Jan 2010 21:56:00 +0800</pubDate><description><![CDATA[转自：IBM技术社区2009 Java 专区最受欢迎内容 最受欢迎的热门主题			Web 开发2009年，Web 2.0 热潮促使 Web 开发继续成为当前最热门的主题。其中，基于动态语言 Goovy 的新兴 Web 开发框架 Grails成为了备受瞩目的新星。除此之外，许多传统的基于 Java 语言的 Web 开发框架，如 Struts、JSF、GWT]]></description><category></category></item><item><title><![CDATA[求第一个无重复字符]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5183396</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5183396</guid><author>lanruqin</author><pubDate>Tue, 12 Jan 2010 23:12:00 +0800</pubDate><description><![CDATA[转自：http://www.javaeye.com/topic/399476 求第一个无重复字符,如"total"的第一个无重复字符是o,"teeter"的第一个无重复字符是r,效率要优于O(n的平方)  public class Tongji {        public static void main(String arg[]){              ]]></description><category></category></item><item><title><![CDATA[主题：自己动手写一个Spring （Spring 到底是怎么跑起来的）]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5183314</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5183314</guid><author>lanruqin</author><pubDate>Tue, 12 Jan 2010 22:30:00 +0800</pubDate><description><![CDATA[转自：主题：自己动手写一个Spring （Spring 到底是怎么跑起来的）]]></description><category></category></item><item><title><![CDATA[Spring从菜鸟到高手(一)实现AOP的基本原理]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5183301</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5183301</guid><author>lanruqin</author><pubDate>Tue, 12 Jan 2010 22:26:00 +0800</pubDate><description><![CDATA[转自：http://tonyaction.blog.51cto.com/227462/42039 虽然没有完全看懂，但留着以后用。]]></description><category></category></item><item><title><![CDATA[Bad version number in .class file]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5180530</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5180530</guid><author>lanruqin</author><pubDate>Tue, 12 Jan 2010 10:45:00 +0800</pubDate><description><![CDATA[原因是：你装的jdk版本和eclipse编译器的版本不一致导致的。我之前装的是jdk5.0,可是我eclipse编译器用的是jdk6.0，修改过来即可。]]></description><category></category></item><item><title><![CDATA[主题：迅雷亲历面经：笔试+上机+面试（完整JAVA面试题求解大讨论）]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5180324</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5180324</guid><author>lanruqin</author><pubDate>Tue, 12 Jan 2010 10:01:00 +0800</pubDate><description><![CDATA[转自：主题：迅雷亲历面经：笔试+上机+面试（完整JAVA面试题求解大讨论）  果然有难度，互联网公司和一般软件企业的区别]]></description><category></category></item><item><title><![CDATA[2009年 JavaEye 30篇最受关注的Web前端新闻]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5177260</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5177260</guid><author>lanruqin</author><pubDate>Mon, 11 Jan 2010 20:04:00 +0800</pubDate><description><![CDATA[转自：2009年 JavaEye 30篇最受关注的Web前端新闻]]></description><category></category></item><item><title><![CDATA[主题：一个还算通用的Struts2分页组件]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5177178</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5177178</guid><author>lanruqin</author><pubDate>Mon, 11 Jan 2010 19:53:00 +0800</pubDate><description><![CDATA[转自：主题：一个还算通用的Struts2分页组件]]></description><category></category></item><item><title><![CDATA[九大因素让Java EE 6成为你的省钱法宝]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5176942</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5176942</guid><author>lanruqin</author><pubDate>Mon, 11 Jan 2010 19:09:00 +0800</pubDate><description><![CDATA[转自：九大因素让Java EE 6成为你的省钱法宝]]></description><category></category></item><item><title><![CDATA[Java社区热议Java桌面领域表现]]></title><link>https://blog.youkuaiyun.com/lanruqin/article/details/5176936</link><guid>https://blog.youkuaiyun.com/lanruqin/article/details/5176936</guid><author>lanruqin</author><pubDate>Mon, 11 Jan 2010 19:07:00 +0800</pubDate><description><![CDATA[转自：热议Java桌面领域的表现]]></description><category></category></item></channel></rss>