<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[WHUT_XQH的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/WHUT_XQH</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; WHUT_XQH]]></copyright><item><title><![CDATA[解决【ElasticSearch】Kibana 连接不上（Unable to connect to Elasticsearch）的一种可能方法]]></title><link>https://blog.youkuaiyun.com/WHUT_XQH/article/details/128673465</link><guid>https://blog.youkuaiyun.com/WHUT_XQH/article/details/128673465</guid><author>WHUT_XQH</author><pubDate>Fri, 13 Jan 2023 14:10:54 +0800</pubDate><description><![CDATA[尝试了网上其余方法（重启、删除索引）等，没啥用，后发现可能是控制台开启了“快速编辑模式”导致控制台线程阻塞，想要继续运行必须在控制台窗口按下enter；]]></description><category></category></item><item><title><![CDATA[java poi导出excel单元格设置自定义背景颜色（任意颜色）]]></title><link>https://blog.youkuaiyun.com/WHUT_XQH/article/details/126370883</link><guid>https://blog.youkuaiyun.com/WHUT_XQH/article/details/126370883</guid><author>WHUT_XQH</author><pubDate>Tue, 16 Aug 2022 18:26:51 +0800</pubDate><description><![CDATA[java poi导出excel单元格设置自定义（任意）背景颜色]]></description><category></category></item><item><title><![CDATA[xxl-job实践，集群]]></title><link>https://blog.youkuaiyun.com/WHUT_XQH/article/details/121980040</link><guid>https://blog.youkuaiyun.com/WHUT_XQH/article/details/121980040</guid><author>WHUT_XQH</author><pubDate>Thu, 16 Dec 2021 17:59:52 +0800</pubDate><description><![CDATA[起因
最近公司准备使用xxl-job，让本人调研一下，以下是调研一下午的成果，记录一下
分布式任务调度调研（建议跳过）

开源方案



elastic-job：Elastic-Job是一个分布式调度解决方案，由两个相互独立的子项目Elastic-Job-Lite和Elastic-Job-Cloud组成。
Elastic-Job-Lite定位为轻量级无中心化解决方案，使用jar包的形式提供分布式任务的协调服务。
Elastic-Job-Cloud使用Mesos + Docker的解决方案，额外提供资源治理、]]></description><category></category></item><item><title><![CDATA[centos使用nohup命令启动RocketMQ broker提示：nohup: ignoring input and appending output to ‘nohup.out’]]></title><link>https://blog.youkuaiyun.com/WHUT_XQH/article/details/120718952</link><guid>https://blog.youkuaiyun.com/WHUT_XQH/article/details/120718952</guid><author>WHUT_XQH</author><pubDate>Tue, 12 Oct 2021 10:41:54 +0800</pubDate><description><![CDATA[解决办法
1、原因
是因为使用 nohup 会产生日志文件，默认写入到 nohup.out
2、解决
将 nohup 的日志输出到 /dev/null，这个目录会让所有到它这的信息自动消失
nohup sh mqbroker -n localhost:9876 autoCreateTopicEnable=true &gt; /dev/null 2&gt; /dev/null &amp;

...]]></description><category></category></item><item><title><![CDATA[记录一下本地VMware搭建mysql主从复制遇到的问题及解决方法]]></title><link>https://blog.youkuaiyun.com/WHUT_XQH/article/details/120218669</link><guid>https://blog.youkuaiyun.com/WHUT_XQH/article/details/120218669</guid><author>WHUT_XQH</author><pubDate>Fri, 10 Sep 2021 11:35:10 +0800</pubDate><description><![CDATA[今天本地搭建mysql主从复制，计划克隆虚拟机实现，以下为遇到的问题：
1.克隆的虚拟机中mysql uuid相同，导致主从复制失败，解决方法：
uuid相同解决方法
2. 用show slave status \G查看主从复制状态，遇到： Got fatal error 1236 from master when reading data from binary log: 'Could not find first log。。错误，解决方法：
1236解决

...]]></description><category></category></item><item><title><![CDATA[记录一下idea启动显示If you already have a 64-bit JDK installed ,defined a JAVA_HOME...的错误]]></title><link>https://blog.youkuaiyun.com/WHUT_XQH/article/details/119772035</link><guid>https://blog.youkuaiyun.com/WHUT_XQH/article/details/119772035</guid><author>WHUT_XQH</author><pubDate>Wed, 18 Aug 2021 09:08:45 +0800</pubDate><description><![CDATA[idea2021.1启动报错If you already have a 64-bit JDK installed ,defined a JAVA_HOME variable in Computer&gt;System Properties&gt;System Settings&gt;Environment Variables Failed to create JVM
今天运行公司项目时，idea弹出对话框提示out of memory，对于我这种强迫症患者来说这能忍？
直接修改idea安装目录中bin目录下]]></description><category></category></item><item><title><![CDATA[基于mqtt的即时通信]]></title><link>https://blog.youkuaiyun.com/WHUT_XQH/article/details/111355448</link><guid>https://blog.youkuaiyun.com/WHUT_XQH/article/details/111355448</guid><author>WHUT_XQH</author><pubDate>Fri, 18 Dec 2020 11:08:11 +0800</pubDate><description><![CDATA[##基于mqtt的即时通信
注：使用前必须安装mqtt服务器，代码中的端口依据自己电脑进行改动
mqtt客户端：
/**
 *
 * Description:
 * @author xqh
 */

import java.util.concurrent.ScheduledExecutorService;
import org.eclipse.paho.client.mqttv3.MqttClient;
import org.eclipse.paho.client.mqttv3.MqttConnectOpt]]></description><category></category></item><item><title><![CDATA[最近学oracle，记录一下安装时比较好的两个教程，免得以后还要用]]></title><link>https://blog.youkuaiyun.com/WHUT_XQH/article/details/109398760</link><guid>https://blog.youkuaiyun.com/WHUT_XQH/article/details/109398760</guid><author>WHUT_XQH</author><pubDate>Sat, 31 Oct 2020 10:11:42 +0800</pubDate><description><![CDATA[使用的教程：
https://blog.youkuaiyun.com/weixin_43781426/article/details/104488488
https://blog.youkuaiyun.com/m0_38025207/article/details/81010593
自己遇到的一些问题：
1、按第二个教程配置Oracle NETCA配置工具时，提示配置过了，但前面又完全没配置过，不知道是什么原因，只能先用着看到时候有问题再说
2、建议安装时就把编码字符集设置为utf8

...]]></description><category></category></item><item><title><![CDATA[java自学day4-JVM核心机制-自定义文件类加载器]]></title><link>https://blog.youkuaiyun.com/WHUT_XQH/article/details/109370284</link><guid>https://blog.youkuaiyun.com/WHUT_XQH/article/details/109370284</guid><author>WHUT_XQH</author><pubDate>Thu, 29 Oct 2020 21:13:40 +0800</pubDate><description><![CDATA[自定义文件类加载器
package cn.xqh.reflection;

import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

public class FileSystemClassLoader extends java.lang.]]></description><category></category></item><item><title><![CDATA[java自学day3-xml解析-SAX解析]]></title><link>https://blog.youkuaiyun.com/WHUT_XQH/article/details/109161290</link><guid>https://blog.youkuaiyun.com/WHUT_XQH/article/details/109161290</guid><author>WHUT_XQH</author><pubDate>Mon, 19 Oct 2020 15:13:53 +0800</pubDate><description><![CDATA[主体代码：
package cn.sxt.server;

import java.util.ArrayList;
import java.util.List;

import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.Def]]></description><category></category></item><item><title><![CDATA[附：尚学堂老裴写的多人聊天室（群聊+私聊）]]></title><link>https://blog.youkuaiyun.com/WHUT_XQH/article/details/109112787</link><guid>https://blog.youkuaiyun.com/WHUT_XQH/article/details/109112787</guid><author>WHUT_XQH</author><pubDate>Fri, 16 Oct 2020 11:15:29 +0800</pubDate><description><![CDATA[与自己写的对比后的体悟：在自学过程中，封装是比较难以把控的，好的封装技巧可以为程序开发带来巨大的便利。
客户端发送线程：
/**
 * 使用多线程封装:发送端
 * 1、发送消息
 * 2、从控制台获取消息
 * 3、释放资源
 * 4、重写run
 * @author 裴新 QQ:3401997271
 *
 */
public class Send implements Runnable {
	private BufferedReader console ;
	private DataOutputStr]]></description><category></category></item><item><title><![CDATA[java自学day2-网络编程-使用tcp，多线程实现多人聊天室（经典案例）]]></title><link>https://blog.youkuaiyun.com/WHUT_XQH/article/details/109112277</link><guid>https://blog.youkuaiyun.com/WHUT_XQH/article/details/109112277</guid><author>WHUT_XQH</author><pubDate>Fri, 16 Oct 2020 11:07:52 +0800</pubDate><description><![CDATA[注：以下代码均为自己学习时编写，bug较多，如有疏漏也请谅解，仅做我自己参考纪念，有兴趣的兄弟完整无bug版（别人写的）附在我另一篇博客中。
多线程实现客户端的接收功能：
public class ClientReceive implements Runnable {
	private Socket client;
	private String s;
	private DataInputStream br;
	private boolean flag=true;

	
	public ClientRece]]></description><category></category></item><item><title><![CDATA[java自学day1-网络编程-使用udp，多线程实现一对一聊天]]></title><link>https://blog.youkuaiyun.com/WHUT_XQH/article/details/109021884</link><guid>https://blog.youkuaiyun.com/WHUT_XQH/article/details/109021884</guid><author>WHUT_XQH</author><pubDate>Mon, 12 Oct 2020 09:53:43 +0800</pubDate><description><![CDATA[模拟发送端：
package cn.xqh.net;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetSocketAddress;
import java.net.SocketException;

pu]]></description><category></category></item></channel></rss>