<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[sinoyang的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/sinoyang</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; sinoyang]]></copyright><item><title><![CDATA[/etc/profile、/etc/bashrc、~/.bashrc、~/.bash_profile执行顺序探讨]]></title><link>https://blog.youkuaiyun.com/sinoyang/article/details/124206564</link><guid>https://blog.youkuaiyun.com/sinoyang/article/details/124206564</guid><author>sinoyang</author><pubDate>Sat, 16 Apr 2022 00:02:12 +0800</pubDate><description><![CDATA[CentOS7、 /etc/profile、/etc/bashrc、~/.bashrc、~/.bash_profile]]></description><category></category></item><item><title><![CDATA[CentOS-8下面装mysql-5.7.22-linux-glibc2.12-x86_64]]></title><link>https://blog.youkuaiyun.com/sinoyang/article/details/104852223</link><guid>https://blog.youkuaiyun.com/sinoyang/article/details/104852223</guid><author>sinoyang</author><pubDate>Fri, 13 Mar 2020 23:48:15 +0800</pubDate><description><![CDATA[该安装方式是在网上查找的资料安装，但是发现了一些问题，觉得可以分享给大家。

1.下载安装包地址：

http://mirrors.huaweicloud.com/centos/8.1.1911/isos/x86_64/CentOS-8.1.1911-x86_64-dvd1.iso，安装包保存到/usr/local



2. 解压：


			cd /usr/local

			tar -zxv...]]></description><category></category></item><item><title><![CDATA[thymeleaf三元表达式报错的问题]]></title><link>https://blog.youkuaiyun.com/sinoyang/article/details/104524321</link><guid>https://blog.youkuaiyun.com/sinoyang/article/details/104524321</guid><author>sinoyang</author><pubDate>Wed, 26 Feb 2020 20:59:05 +0800</pubDate><description><![CDATA[今天在拿thymeleaf写一个后台管理系统，模板是下载的一个bootstrap模板页面，为了便于维护，把后台框架页面的菜单栏抽取了出来，然后动态引用。然后添加菜单型默认被选用的效果，代码如下：

下面是提取出来的右边菜单栏：



下面是页面引用：



结果运行的时候报错了：

我的表达式是：


activeUri == 'dashboard.html' ? 'app-menu...]]></description><category></category></item><item><title><![CDATA[使用IntelliJ IDEA 2019编写netty时，使用中文代码注释时候，出现编译异常的解决之路]]></title><link>https://blog.youkuaiyun.com/sinoyang/article/details/104283862</link><guid>https://blog.youkuaiyun.com/sinoyang/article/details/104283862</guid><author>sinoyang</author><pubDate>Wed, 12 Feb 2020 19:35:54 +0800</pubDate><description><![CDATA[最近开始使用idea，然后拿它来学习netty，结果编写第一个helloworld的时候，出现无法编译错误的情况。然后网上找解决方案，大概有以下几个：

第一个：把编码机都改成UTF-8



第二：在下面配置文件加：-Dfile.encoding=UTF-8



     但是发现都行，都有点放弃IDEA，再使用eclipse了，后面突然发现在类里面右键运行类发现可以...]]></description><category></category></item><item><title><![CDATA[hadoop启动之“hadoop-daemon.sh”详解]]></title><link>https://blog.youkuaiyun.com/sinoyang/article/details/8021296</link><guid>https://blog.youkuaiyun.com/sinoyang/article/details/8021296</guid><author>sinoyang</author><pubDate>Wed, 26 Sep 2012 16:08:11 +0800</pubDate><description><![CDATA[今天看了一下启动文件“hadoop-daemon.sh”，仔细看了一下大概知道它的作用，使用“hadoop-daemon.sh“脚本启动和停止hadoop后台程序。它可以做到在A机器上启动”namenode“，B机器启动”secondarynamenode“ C机器启动”datanode“， ”tasktracker“，具体启动如下 ：
 ./hadoop-daemon.sh start nam]]></description><category></category></item><item><title><![CDATA[java.io.IOException: Cannot run program "chmod": CreateProcess error=2]]></title><link>https://blog.youkuaiyun.com/sinoyang/article/details/8011626</link><guid>https://blog.youkuaiyun.com/sinoyang/article/details/8011626</guid><author>sinoyang</author><pubDate>Mon, 24 Sep 2012 10:58:57 +0800</pubDate><description><![CDATA[在eclipse下运行mapreduce程序的时候报这个错误。
Exception in thread "main" java.io.IOException: Cannot run program "chmod": CreateProcess error=2, ?????????
at java.lang.ProcessBuilder.start(Unknown Source)
at org]]></description><category></category></item><item><title><![CDATA[hadoop自定义输出文件名]]></title><link>https://blog.youkuaiyun.com/sinoyang/article/details/8011047</link><guid>https://blog.youkuaiyun.com/sinoyang/article/details/8011047</guid><author>sinoyang</author><pubDate>Sun, 23 Sep 2012 22:49:48 +0800</pubDate><description><![CDATA[hadoop的默认文件输出格式是“TextOutputFormat”输出的文件名是“part-r-00000”这种类型，能不能实现自定义的文件名呢？我试了一下可以，下面是代码
  private static class MyMutipleTextOutputFormat extends MultipleTextOutputFormat {
                private st]]></description><category></category></item><item><title><![CDATA[This parser does not support specification "null" version "null"]]></title><link>https://blog.youkuaiyun.com/sinoyang/article/details/8007002</link><guid>https://blog.youkuaiyun.com/sinoyang/article/details/8007002</guid><author>sinoyang</author><pubDate>Sat, 22 Sep 2012 12:14:47 +0800</pubDate><description><![CDATA[今天在eclipse里面运行M/R的时候报这个错
12/09/22 12:17:53 ERROR conf.Configuration: Failed to set setXIncludeAware(true) for parser org.apache.xerces.jaxp.DocumentBuilderFactoryImpl@55571e:java.lang.UnsupportedOper]]></description><category></category></item><item><title><![CDATA[HDFS“回收站”]]></title><link>https://blog.youkuaiyun.com/sinoyang/article/details/7983531</link><guid>https://blog.youkuaiyun.com/sinoyang/article/details/7983531</guid><author>sinoyang</author><pubDate>Sun, 16 Sep 2012 01:04:17 +0800</pubDate><description><![CDATA[刚刚试了HDFS“回收站”功能，也就是core-site.xml文件中的“fs.trash.interval”选项。
    1. 在core-site.xml添加“fs.trash.interval”选项，这里配置60分钟（单位为分钟）
        
          fs.trash.interval
          60
          Number of minut]]></description><category></category></item><item><title><![CDATA[hive报错]]></title><link>https://blog.youkuaiyun.com/sinoyang/article/details/7973807</link><guid>https://blog.youkuaiyun.com/sinoyang/article/details/7973807</guid><author>sinoyang</author><pubDate>Thu, 13 Sep 2012 10:28:29 +0800</pubDate><description><![CDATA[昨天下午用hive处理日志的时候，突然hive报了一个错“FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.MapRedTask”，在hive里无法查询，查看hadoop日志发现“org.apache.hadoop.mapred.TaskInProgress: Error from attempt_]]></description><category></category></item></channel></rss>