<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[qq_35651224的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/qq_35651224</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; qq_35651224]]></copyright><item><title><![CDATA[linux发送get和post请求并附带json格式参数]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/127663198</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/127663198</guid><author>qq_35651224</author><pubDate>Thu, 03 Nov 2022 09:03:11 +0800</pubDate><description><![CDATA[linux发送get，post请求并附带json格式参数]]></description><category></category></item><item><title><![CDATA[Fiddler基本抓包使用]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/121922867</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/121922867</guid><author>qq_35651224</author><pubDate>Tue, 14 Dec 2021 16:09:18 +0800</pubDate><description><![CDATA[Fiddler基本抓包使用
2
3
撤销：Ctrl/Command + Z
重做：Ctrl/Command + Y
加粗：Ctrl/Command + B
斜体：Ctrl/Command + I
标题：Ctrl/Command + Shift + H
无序列表：Ctrl/Command + Shift + U
有序列表：Ctrl/Command + Shift + O
检查列表：Ctrl/Command + Shift + C
插入代码：Ctrl/Command + Shift + K
插入链接：Ctrl/]]></description><category></category></item><item><title><![CDATA[SpringBoot使用Lettuce集成Redis]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/119444384</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/119444384</guid><author>qq_35651224</author><pubDate>Fri, 06 Aug 2021 09:28:58 +0800</pubDate><description><![CDATA[需要引入的包： （gradle模式）
compile group: ‘org.springframework.boot’,name: ‘spring-boot-starter-data-redis’,version:‘2.3.5.RELEASE’
compile group:‘org.apache.commons’,name:‘commons-pool2’,versioon:‘2.6.0’
redis配置：

配置完成之后就可以通过@Autowired注解注入使用。

...]]></description><category></category></item><item><title><![CDATA[如何对可运行jar进行jvm监控]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/119320126</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/119320126</guid><author>qq_35651224</author><pubDate>Mon, 02 Aug 2021 10:47:11 +0800</pubDate><description><![CDATA[1.启动jar包方式上增加相应的参数：
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=8011
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.authenticate=false
以上参数不做解释，自行百度。
2.启动jar包
java -Dcom.sun.management.jmxremote -Dcom.sun.man]]></description><category></category></item><item><title><![CDATA[linux搭建zookeeper集群 三台机器]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/115212149</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/115212149</guid><author>qq_35651224</author><pubDate>Thu, 25 Mar 2021 18:00:36 +0800</pubDate><description><![CDATA[1.首先通过zookeeper官网下载zookeeper的压缩包
2.将zookeeper的压缩包上传到服务器上
3.进入zookeeper目录下的bin目录，编辑zkEnv.sh文件
if [ "x${ZOO_LOG_DIR}" = "x" ]
then
    ZOO_LOG_DIR="$ZOOKEEPER_PREFIX/runlogs"
fi

if [ "x${ZOO_LOG4J_PROP}" = "x" ]
then
    ZOO_LOG4J_PROP="INFO,CONSOLE"
fi


更]]></description><category></category></item><item><title><![CDATA[unable to set value for property driver-class-name]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/114134241</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/114134241</guid><author>qq_35651224</author><pubDate>Fri, 26 Feb 2021 15:19:25 +0800</pubDate><description><![CDATA[springboot dynamicDatasource设置多数据源的时候出现了这个错误，错误提示不能设置driver-class-name这个属性。检查配置文件

发现连接了两个不同的数据库，而我只加入了sqlserver的驱动包，所以出现了此错误。


...]]></description><category></category></item><item><title><![CDATA[kafka并发配置踩到的坑:javax.management.InstanceAlreadyExistsException]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/113990756</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/113990756</guid><author>qq_35651224</author><pubDate>Tue, 23 Feb 2021 15:16:57 +0800</pubDate><description><![CDATA[12:51:28.426 [pool-1-thread-218] WARN org.apache.kafka.common.utils.AppInfoParser - Error registering AppInfo mbean
javax.management.InstanceAlreadyExistsException: kafka.producer:type=app-info,id=DemoProducer
	at com.sun.jmx.mbeanserver.Repository.addMBea]]></description><category></category></item><item><title><![CDATA[linux安装Java坏境]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/113985867</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/113985867</guid><author>qq_35651224</author><pubDate>Tue, 23 Feb 2021 14:05:30 +0800</pubDate><description><![CDATA[1.下载linux坏境压缩包，去官网下载或者百度网盘下载或者直接通过linux yum安装jdk都可以。如果是本机下载则需要通过其他工具将压缩包放到linux服务器上。

2.设置Java坏境变量。

 执行vim /etc/profile命令（查看etc目录下的profile文件命令，如提示没有找到vim则先进行yum安装vim）

 使用i进行编辑文件，通过shift+G到最后一行，加入如下代码； JAVA_HOME为解压jdk的目录，图中是放到/usr/java目录下的


export J...]]></description><category></category></item><item><title><![CDATA[linux设置全局系统常量]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/113937551</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/113937551</guid><author>qq_35651224</author><pubDate>Mon, 22 Feb 2021 14:25:55 +0800</pubDate><description><![CDATA[linux设置全局变量的文件在/etc/hosts文件中定义的变量就可以在全局中进行使用
]]></description><category></category></item><item><title><![CDATA[linux 启动nacos单机版]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/113929329</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/113929329</guid><author>qq_35651224</author><pubDate>Mon, 22 Feb 2021 09:55:42 +0800</pubDate><description><![CDATA[nacos默认是集群方式启动的，下载压缩之后直接启动的话会报错nacos is starting with cluster，提示以集群方式启动nacos

单机启动nacos的话需要执行此命令


sh startup.sh -m standalone

这样就可以正常启动nacos了。
...]]></description><category></category></item><item><title><![CDATA[linux如何搭建redis5.0三主三从集群和单机版]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/113430900</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/113430900</guid><author>qq_35651224</author><pubDate>Sat, 30 Jan 2021 16:59:27 +0800</pubDate><description><![CDATA[下载redis5.0.4版本

    1.通过linux命令下载：

    wgethttps://download.redis.io/releases/+ 你需要下载的redis版本。  例如：https://download.redis.io/releases/redis-5.0.4.tar.gz



    2.通过官网下载到本地然后上传至linux服务器

   https://download.redis.io/releases/+ 你需要下载的...]]></description><category></category></item><item><title><![CDATA[caffeine的基本使用]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/113307265</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/113307265</guid><author>qq_35651224</author><pubDate>Thu, 28 Jan 2021 09:10:42 +0800</pubDate><description><![CDATA[java内存类库caffeine



caffeine是基于jdk1.8上开发的高性能缓存管理类库(程序内存)， 它和 ConcurrentMap类似，但是增加了过期策略、装载策略等独有的东西。


  此文章转载自：https://www.kancloud.cn/ichenpeng/blog/1094838


1. 常见用法


public static void main(String... args) throws Exception {
Cache&lt;String, Stri...]]></description><category></category></item><item><title><![CDATA[springboot实现websocket功能]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/108290903</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/108290903</guid><author>qq_35651224</author><pubDate>Sat, 29 Aug 2020 10:18:43 +0800</pubDate><description><![CDATA[1.引入pom依赖
&lt;dependency&gt;
	&lt;groupId&gt;org.springframework.boot&lt;/groupId&gt;
	&lt;artifactId&gt;spring-boot-starter-websocket&lt;/artifactId&gt;
&lt;/dependency&gt;

2.websocket配置类
/**
 * websocket配置
 * @Date: 2020-08-22
 */
@Configuration
/**
 * ]]></description><category></category></item><item><title><![CDATA[springboot实现大文件上传，断点续传，秒传功能]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/108290640</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/108290640</guid><author>qq_35651224</author><pubDate>Sat, 29 Aug 2020 09:39:07 +0800</pubDate><description><![CDATA[首先要理解，为什么大文件上传跟小文件上传不一样。假设我有个1G的文件或者更大需要上传，如果直接上传的话会有什么弊端？
1.上传过程时间较长
2.中途不能间断，间断之后需要重新上传等
这里有两个参考的链接地址：
https://blog.youkuaiyun.com/haohao123nana/article/details/54692669
https://blog.youkuaiyun.com/weixin_42584752/article/details/80873376
简单来说：大文件上传其实就是前端对文件做一个分片处理，]]></description><category></category></item><item><title><![CDATA[Cannot deserialize instance of `java.util.LinkedHashMap` out of START_ARRAY token]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/108052482</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/108052482</guid><author>qq_35651224</author><pubDate>Mon, 17 Aug 2020 11:36:04 +0800</pubDate><description><![CDATA[ObjectMapper objectMapper = new ObjectMapper();&lt;br&gt;
String jsonStr = [{"detectedLanguage":{"language":"en","score":1.0},"translations":[{"text":"成人呼吸窘迫综合征患者生存的早期测试。PaO2/FIo2比率及其对传统疗法的差分反应。普罗斯塔格兰丁E1研究组。","to":"zh-Hans"}]}]&lt;br&gt;
objectMapper.read.]]></description><category></category></item><item><title><![CDATA[使用stream的filter进行过滤对象的时候出错]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/107974705</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/107974705</guid><author>qq_35651224</author><pubDate>Thu, 13 Aug 2020 11:20:18 +0800</pubDate><description><![CDATA[java.lang.NullPointerException：



博主这里使用测试的代码进行测试：



这里我故意设置了一个null值来重现这个错误（这里坑的是报错信息抱的是执行collect(...)错误）为什么报错信息会出现在这一步请自行查阅资料。

这里点开源码发现这里有个objects.requireNonNull（）方法，这个方法就是报错的根本原因了。


...]]></description><category></category></item><item><title><![CDATA[linux定时备份mysql数据库并保留三天数据]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/107849910</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/107849910</guid><author>qq_35651224</author><pubDate>Thu, 06 Aug 2020 21:16:31 +0800</pubDate><description><![CDATA[linux定时备份mysql数据库]]></description><category></category></item><item><title><![CDATA[springboot实现文件下载功能]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/107631939</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/107631939</guid><author>qq_35651224</author><pubDate>Tue, 28 Jul 2020 11:19:04 +0800</pubDate><description><![CDATA[话不多说，直接贴代码。




]]></description><category></category></item><item><title><![CDATA[linux使用mysqldump命令进行数据库备份]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/107615884</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/107615884</guid><author>qq_35651224</author><pubDate>Mon, 27 Jul 2020 17:03:48 +0800</pubDate><description><![CDATA[语法：mysqldump -u账号 -p密码 数据库名 &gt; 导出文件的存储地址

示例：mysqldump -uroot -proot dataSource &gt; ./sql/test.sql
]]></description><category></category></item><item><title><![CDATA[springboot No mapping for POST]]></title><link>https://blog.youkuaiyun.com/qq_35651224/article/details/107611494</link><guid>https://blog.youkuaiyun.com/qq_35651224/article/details/107611494</guid><author>qq_35651224</author><pubDate>Mon, 27 Jul 2020 14:49:27 +0800</pubDate><description><![CDATA[今天碰到一个小问题，本来不该出现的，这里记录一下。

后端新增了一个接口，测试的时候出现了springboot .....not pages : No mapping for POST /**/***/***

经过作者检查，问题处在url的映射上将@RequestMapping("/***/***")后面多加了一个空格。
...]]></description><category></category></item></channel></rss>