<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[窝儿]]></title><description><![CDATA[愿历尽千帆,归来仍少年]]></description><link>https://blog.youkuaiyun.com/u011702673</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; u011702673]]></copyright><item><title><![CDATA[存储及查询和数据库落表时间相差八小时]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/130254848</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/130254848</guid><author>u011702673</author><pubDate>Wed, 19 Apr 2023 22:27:30 +0800</pubDate><description><![CDATA[存储及查询和数据库落表时间相差八小时]]></description><category></category></item><item><title><![CDATA[SpringBoot Starter 自动装配失败]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/122850823</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/122850823</guid><author>u011702673</author><pubDate>Wed, 09 Feb 2022 22:25:03 +0800</pubDate><description><![CDATA[SpringBoot Starter 自动装配失败 META-INF]]></description><category></category></item><item><title><![CDATA[hyper-v安装centos7]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/122834814</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/122834814</guid><author>u011702673</author><pubDate>Wed, 09 Feb 2022 08:59:01 +0800</pubDate><description><![CDATA[virtualbox启动失败，替换vmware]]></description><category></category></item><item><title><![CDATA[springbatch中step的id同名的影响]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/121942409</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/121942409</guid><author>u011702673</author><pubDate>Wed, 09 Feb 2022 08:42:59 +0800</pubDate><description><![CDATA[SpringBatch中的Step不能同名，如果同名的情况下会导致step被覆盖
]]></description><category></category></item><item><title><![CDATA[Mysql分页查询轮询异常解决]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/121942474</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/121942474</guid><author>u011702673</author><pubDate>Tue, 14 Dec 2021 23:41:31 +0800</pubDate><description><![CDATA[MySQL 数据库 分页 数据轮询]]></description><category></category></item><item><title><![CDATA[MySQL跨数据源事务不生效解决方式]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/121918780</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/121918780</guid><author>u011702673</author><pubDate>Tue, 14 Dec 2021 08:47:51 +0800</pubDate><description><![CDATA[分布式事务 跨数据源 MySQL事务 高并发]]></description><category></category></item><item><title><![CDATA[springbatch有序处理数据]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/121760604</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/121760604</guid><author>u011702673</author><pubDate>Mon, 13 Dec 2021 07:00:00 +0800</pubDate><description><![CDATA[springbatch  有序 java 批量文件处理]]></description><category></category></item><item><title><![CDATA[SFTP文件上传connection closed]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/121758929</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/121758929</guid><author>u011702673</author><pubDate>Sun, 12 Dec 2021 07:00:00 +0800</pubDate><description><![CDATA[sftp 连接关闭 文件上传]]></description><category></category></item><item><title><![CDATA[sftp大文件优化]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/120714283</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/120714283</guid><author>u011702673</author><pubDate>Mon, 11 Oct 2021 23:52:27 +0800</pubDate><description><![CDATA[SFTP 文件压缩 大文件处理存储]]></description><category></category></item><item><title><![CDATA[程序启动一闪而过，无法查看异常信息]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/109965079</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/109965079</guid><author>u011702673</author><pubDate>Sun, 22 Nov 2020 21:41:01 +0800</pubDate><description><![CDATA[程序启动一闪而过 异常信息]]></description><category></category></item><item><title><![CDATA[ZooKeeper audit is disabled]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/109963726</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/109963726</guid><author>u011702673</author><pubDate>Sun, 22 Nov 2020 21:18:22 +0800</pubDate><description><![CDATA[1.整合zookeeper使用的过程中发现控制台输出 ZooKeeper audit is disabled，搜索一番发现不少文章都是说版本问题


2.查看源码发现日志由zookeeper.audit.enable开关控制，即42行是else的部分



3.继续往下查看，找到名字为zookeeper.audit.enable变量，实际上是加载的系统变量



3.查看启动脚本zkServer.sh 发现call方法中可以设置变量值



4.设置结果如下





5.重新启动控制台输出ZooKeep.]]></description><category></category></item><item><title><![CDATA[disruptor简单解析]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/109911246</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/109911246</guid><author>u011702673</author><pubDate>Sun, 22 Nov 2020 00:17:50 +0800</pubDate><description><![CDATA[1.disruptor官方链接

2.官方Demo


public class LongEventMain
{
    public static void main(String[] args) throws Exception
    {
        // The factory for the event
        LongEventFactory factory = new LongEventFactory();

        // Specify the size of the .]]></description><category></category></item><item><title><![CDATA[FTP文件上传Bad IP Connecting]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/109882984</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/109882984</guid><author>u011702673</author><pubDate>Sat, 21 Nov 2020 01:16:05 +0800</pubDate><description><![CDATA[1.FTP文件上传过程中，如果本地IP不变的情况下，正常情况下文件是能够全部上传成功

2.在实际的使用过程中，随着公网出口IP的增加，文件上传会出现部分成功部分失败直至全部失败

3.运维人员可以通过抓包找到异常信息Bad IP Connecting

4.无论FTP文件上传过程中使用主动模式，还是被动模式均无法解决

5.可以尝试切换sftp上传文件，安全性更高，而且不用担心公网出口动态ip的影响
...]]></description><category></category></item><item><title><![CDATA[Linux的less命令]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/109882821</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/109882821</guid><author>u011702673</author><pubDate>Sat, 21 Nov 2020 01:01:50 +0800</pubDate><description><![CDATA[使用less命令查看日志文件或者压缩过后的日志文件过程中,例如：less a.log | grep xxx，如果日志中出现异常导致日志换行，在控制台是无法看到异常出现的堆栈内容


]]></description><category></category></item><item><title><![CDATA[微信小程序订阅消息通知]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/109882491</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/109882491</guid><author>u011702673</author><pubDate>Sat, 21 Nov 2020 00:48:50 +0800</pubDate><description><![CDATA[1.小程序的订阅消息的每一次推送都需要获取授权

2.小程序的订阅消息每次都是需要回到首页才能触发授权

3.每种订阅消息每次都需要单独授权

4.部分特殊行业允许长期订阅消息，大多数都是只有一次性订阅消息

5.获取了一次授权允许一个订阅消息通知，用完即授权失效，若继续推送则出现“"errcode":43101,"errmsg":"userrefusetoacceptthemsg”


...]]></description><category></category></item><item><title><![CDATA[EXCEL的vlookup函数使用]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/109712103</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/109712103</guid><author>u011702673</author><pubDate>Sun, 15 Nov 2020 23:45:11 +0800</pubDate><description><![CDATA[1.vlookup函数最后一个参数代表是否模糊匹配，值0或者false代表精确匹配，如果不是精确匹配可能存在匹配到多个数据的情况，导致返回#N/A
2.需要操作的两张表如下，需要将第二张表的数据根据学号将数学、语文成绩匹配至第一张表



3.第二张表被匹配的字段需要在第一列
4.Excel左上角的编辑栏输入对应的列区域，然后ctrl+enter即可选中一列
5.将光标移至单元格输入栏，然后ctrl+enter即可将函数填充一列

...]]></description><category></category></item><item><title><![CDATA[info级别日志与debug]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/109212623</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/109212623</guid><author>u011702673</author><pubDate>Wed, 21 Oct 2020 23:45:32 +0800</pubDate><description><![CDATA[日志默认info级别debug日志不会打印，但是会执行日志填充的数据



例如：logger.debug("日志输出",2*10); 

1. 2*10会先执行出结果，然后继续往下走

2. 在ch.qos.logback.classic.Logger#filterAndLog_1方法中判断是否符合级别要求是否需要输出

3.如图：


...]]></description><category></category></item><item><title><![CDATA[IRR年化计算]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/109211994</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/109211994</guid><author>u011702673</author><pubDate>Wed, 21 Oct 2020 23:00:21 +0800</pubDate><description><![CDATA[1.左侧：月利率=IRR(B2:B14)    右侧：月利率=IRR(E2:E38)
2.年利率（单利）=月利率*12
3.年利率（复利）=（月利率+1）^12-1

PS:特别需要注意的是 Excel默认是保留两位小数，这样子会导致最终结果与实际不一致，上图设置的单元格格式保留的是8位

...]]></description><category></category></item><item><title><![CDATA[gh-ost临时表残留(_gho,_ghc文件)]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/106483527</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/106483527</guid><author>u011702673</author><pubDate>Mon, 01 Jun 2020 22:41:14 +0800</pubDate><description><![CDATA[@TOC
1.结果
通知DBA处理
2.情况说明
由于项目处于测试环境测试阶段，在业务需要的情况下，需要在对应的xxx表中增加增加索引。通知测试执行成功的情况下，数据库表结构在刷新之后仍然未出现任何变化。经过观察发现库中增加了俩个带_gho、_ghc的xxx表文件,进去看了一下数据，并不是业务数据及业务表结构，度娘翻了一遍发现是使用了一个在线DDL变更工具(gh-ost)。
3.处理
和测试人员确认之前是否出现相应的情况，告知对应的DDL在开发环境执行通过，SQL无误，需要DBA支持。

...]]></description><category></category></item><item><title><![CDATA[java文件异常,项目无法RUN]]></title><link>https://blog.youkuaiyun.com/u011702673/article/details/106393664</link><guid>https://blog.youkuaiyun.com/u011702673/article/details/106393664</guid><author>u011702673</author><pubDate>Thu, 28 May 2020 00:00:15 +0800</pubDate><description><![CDATA[idea无法新建java文件1.java文件根目录（src）没有设置为sources root.2.新加了相关的文本编辑插件
1.java文件根目录（src）没有设置为sources root.
在src目录右键make directory as -&gt;sources root

2.新加了相关的文本编辑插件
File-&gt;settings-&gt;plugins-&gt;installed 卸载相关的编辑插件


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