<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Danna的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/u013284604</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; u013284604]]></copyright><item><title><![CDATA[Linux文件同步rsync]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/111544665</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/111544665</guid><author>u013284604</author><pubDate>Tue, 22 Dec 2020 14:29:14 +0800</pubDate><description><![CDATA[Linux下文件同步，主要是分为客户端与服务端，我的需求是 将客户端指定文件夹下的文件复制到服务端下指定的文件夹，客户端主要是传送文件，服务端接收文件。

一、服务端操作

1、安装rsync软件

yum -y install rsync

2、修改配置文件/etc/rsyncd.conf

# SYNC守护进程的用户
uid = root
# 运行RSYNC守护进程的组
gid = root
# 不使用chroot
use chroot = no
# 最大连接数是4
max connections = ]]></description><category></category></item><item><title><![CDATA[tomcat做成服务以及内存设置]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/78356618</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/78356618</guid><author>u013284604</author><pubDate>Tue, 22 Dec 2020 14:02:44 +0800</pubDate><description><![CDATA[此文章主要针对做成服务类型的tomcat内存设置，以windows下的tomcat7.0.59版本为例
一、如何将tomcat做成服务
在doc命令窗口找到tomcat下的bin目录，使用命令service install 服务名来生成服务，假设我的服务名是testservice


二、设置tocmat内存
找到tomcat目录下的bin目录，找到tomcat7w.exe双击打开进行]]></description><category></category></item><item><title><![CDATA[eclipse juno maven插件安装不成功]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/60139551</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/60139551</guid><author>u013284604</author><pubDate>Fri, 03 Mar 2017 14:26:12 +0800</pubDate><description><![CDATA[juno安装maven插件一直不成功，查了一下资料，juno不支持1.5及以上版本的maven，所以可以用1.3或者1.4版本
以下以1.4版本为例
插件地址：http://download.eclipse.org/technology/m2e/releases/1.4
1、Window->Preferences

2、]]></description><category></category></item><item><title><![CDATA[java.sql.SQLException: Parameter number X is not an OUT parameter]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/49201477</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/49201477</guid><author>u013284604</author><pubDate>Sat, 17 Oct 2015 10:26:49 +0800</pubDate><description><![CDATA[使用JAVA调用存储过程时，报如题错误，可能的情况
1、存储过程找不到
2、第X个参数是否正确，或者是否是输出参数，检查存储过程定义参数，以及 call ...{?,?}中？的个数，以及java 中设置参数是否正确]]></description><category></category></item><item><title><![CDATA[eclipse插件spket调试extjs]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/44936185</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/44936185</guid><author>u013284604</author><pubDate>Wed, 08 Apr 2015 09:51:22 +0800</pubDate><description><![CDATA[一、eclipse设置spket插件
下载地址：http://download.youkuaiyun.com/detail/u013284604/8572733
下载后解压，分别将features和plugins下的文件复制到eclipse下的features和plugins文件夹中
二、重启eclipse
插件成功设置时，打开Window->Preferences，如果有Spket时，说明设置成功]]></description><category></category></item><item><title><![CDATA[java 音频视频转码]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/44409183</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/44409183</guid><author>u013284604</author><pubDate>Wed, 18 Mar 2015 13:35:37 +0800</pubDate><description><![CDATA[List cmdList = new ArrayList();

cmdList.add("ffmpeg");
cmdList.add("-i");
cmdList.add("源文件路径");
cmdList.add("-acodec");
cmdList.add("libmp3lame");
cmdList.add("目标文件路径");

String line = null;]]></description><category></category></item><item><title><![CDATA[does not accept any expressions]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/43055639</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/43055639</guid><author>u013284604</author><pubDate>Fri, 23 Jan 2015 14:33:55 +0800</pubDate><description><![CDATA[在进行jsp开发组件时，指定属性值为jstl表达式时会报这样的错误


解决办法：
在tld文件中 attribute 标签中增加属性：true]]></description><category></category></item><item><title><![CDATA[android混淆代码调试]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/39003479</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/39003479</guid><author>u013284604</author><pubDate>Tue, 02 Sep 2014 11:07:41 +0800</pubDate><description><![CDATA[混淆后的代码出现错误怎么办呢，]]></description><category></category></item><item><title><![CDATA[linux 启动tomcat报错：localhost Name or service not known]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/36428479</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/36428479</guid><author>u013284604</author><pubDate>Wed, 02 Jul 2014 16:47:36 +0800</pubDate><description><![CDATA[解决办法：
查看/etc/sysconfig/network 和 /etc/hosts文件，将2文件中的主机名改成一样的]]></description><category></category></item><item><title><![CDATA[java成员变量为null转换成json不包含此内容]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/26667753</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/26667753</guid><author>u013284604</author><pubDate>Fri, 23 May 2014 08:53:08 +0800</pubDate><description><![CDATA[以前觉得这种形式的json用不到，现在遇到mqx
/**
* 将bean转成json，当字段为空时,json不包含此字段的内容
*/
public static String objectToJsonWithoutNull(Object o){
Gson gson = new Gson();  
return gson.toJson(o);
}]]></description><category></category></item><item><title><![CDATA[大数据量高效率去重复数据]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/26443395</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/26443395</guid><author>u013284604</author><pubDate>Wed, 21 May 2014 08:59:54 +0800</pubDate><description><![CDATA[需求：
对于一个大数据量的表，x]]></description><category></category></item><item><title><![CDATA[oracle exp命令导不出空表]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/26363049</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/26363049</guid><author>u013284604</author><pubDate>Tue, 20 May 2014 14:16:02 +0800</pubDate><description><![CDATA[转载至http://vondon.iteye.com/blog/1316223]]></description><category></category></item><item><title><![CDATA[json对于大写成员变量]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/25730717</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/25730717</guid><author>u013284604</author><pubDate>Tue, 13 May 2014 17:59:41 +0800</pubDate><description><![CDATA[当一个Java类中 成员变量首字母大写时，解析成json时会将其变成小写
所以改用gson]]></description><category></category></item><item><title><![CDATA[java与json互转]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/25676437</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/25676437</guid><author>u013284604</author><pubDate>Tue, 13 May 2014 08:10:30 +0800</pubDate><description><![CDATA[/**
* 将bean转换成json
* @param o
* @return
* @throws Exception
*/
public static String objectToJson(Object o) throws Exception{
ObjectMapper mapper = new ObjectMapper();
return mapper.writeValueA]]></description><category></category></item><item><title><![CDATA[jaxb解析xml忽略命名空间]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/25654639</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/25654639</guid><author>u013284604</author><pubDate>Mon, 12 May 2014 21:47:22 +0800</pubDate><description><![CDATA[当解析xml时我们一般要的是内容]]></description><category></category></item><item><title><![CDATA[Caused by: org.hibernate.QueryException: query must begin with SELECT or FROM:]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/25413729</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/25413729</guid><author>u013284604</author><pubDate>Fri, 09 May 2014 17:27:16 +0800</pubDate><description><![CDATA[hibernate写hql删除实体时，报这个错误
Caused by: org.hibernate.QueryException: query must begin with SELECT or FROM:]]></description><category></category></item><item><title><![CDATA[jersey1.1.2 泛型 报错]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/24290545</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/24290545</guid><author>u013284604</author><pubDate>Tue, 22 Apr 2014 09:43:18 +0800</pubDate><description><![CDATA[当使用jersey返回json数据时，由于项目中的一些field的一致性，所以做成泛型处理，]]></description><category></category></item><item><title><![CDATA[数据库连接信息（驱动以及url）]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/23825849</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/23825849</guid><author>u013284604</author><pubDate>Wed, 16 Apr 2014 10:19:45 +0800</pubDate><description><![CDATA[1、Oracle
driver :oracle.jdbc.driver.OracleDriver]]></description><category></category></item><item><title><![CDATA[jersey中get请求出现异常]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/23754485</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/23754485</guid><author>u013284604</author><pubDate>Tue, 15 Apr 2014 13:40:49 +0800</pubDate><description><![CDATA[严重: A message body writer for Java type, class java.util.ArrayList, and MIME media type, application/json, was not found
2014-4-15 11:09:53 com.sun.jersey.server.impl.application.WebApplicationImpl o]]></description><category></category></item><item><title><![CDATA[jersey中的请求方法]]></title><link>https://blog.youkuaiyun.com/u013284604/article/details/23737459</link><guid>https://blog.youkuaiyun.com/u013284604/article/details/23737459</guid><author>u013284604</author><pubDate>Tue, 15 Apr 2014 09:38:42 +0800</pubDate><description><![CDATA[HTTP GET：读取/列出/检索单个或资源集合。HTTP POST：新建资源。HTTP PUT：更新现有资源或资源集合。HTTP DELETE：删除资源或资源集合。]]></description><category></category></item></channel></rss>