<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[learning_IT_boy的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/learning_IT_boy</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; learning_IT_boy]]></copyright><item><title><![CDATA[orcale数据库连接异常(The Network Adapter could not establish the connection)]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/131127796</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/131127796</guid><author>learning_IT_boy</author><pubDate>Fri, 09 Jun 2023 15:06:43 +0800</pubDate><description><![CDATA[今天在springboot里连接oracle数据库。]]></description><category></category></item><item><title><![CDATA[linux 修改时区+8000]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/130378560</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/130378560</guid><author>learning_IT_boy</author><pubDate>Wed, 26 Apr 2023 09:09:38 +0800</pubDate><description><![CDATA[或者修改/etc/sysconfig/clock等方式，发现全部不起作用。即使设置了date -s 'XXX’的命令，马上又回到原来的地方。再一仔细检查系统，输入date -R 才发现系统时间的时区设置为空。经过冷静分析，发现始终时区设置不起作用的原因。当有一台节点崩溃之后，重启之后，观察docker 日志，发现有个时间无法同步的问题。这肯定不符合，再输入 date -u和date，发现两个时间居然一致。本来这个UTC时间是需要与时区相加的，所以在时区未设置的情况下，两个值相同是正常的。]]></description><category></category></item><item><title><![CDATA[springboot 启动项目打印接口列表（不用swagger）]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/126097188</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/126097188</guid><author>learning_IT_boy</author><pubDate>Mon, 01 Aug 2022 11:19:34 +0800</pubDate><description><![CDATA[springboot 启动项目打印接口列表]]></description><category></category></item><item><title><![CDATA[Windows10下安装Oracle 11g]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/125968116</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/125968116</guid><author>learning_IT_boy</author><pubDate>Mon, 25 Jul 2022 10:06:03 +0800</pubDate><description><![CDATA[windows安装并连接数据库]]></description><category></category></item><item><title><![CDATA[启动stauts2 只有tomcat启动日志没有项目的日志]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/124682048</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/124682048</guid><author>learning_IT_boy</author><pubDate>Tue, 10 May 2022 10:14:31 +0800</pubDate><description><![CDATA[Waiting for server connection to start artifact deployment...]]></description><category></category></item><item><title><![CDATA[java.lang.OutOfMemoryError: Java heap space]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/124680615</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/124680615</guid><author>learning_IT_boy</author><pubDate>Tue, 10 May 2022 10:03:37 +0800</pubDate><description><![CDATA[项目场景：
项目场景：今天导入了一个stauts2项目也就是mvc项目

问题描述
总是报
java.lang.OutOfMemoryError: Java heap space

原因分析：

这个问题的根源是jvm虚拟机的默认Heap大小是64M,可以通过设置其最大和最小值来实现.


解决方案：

1.可以在windows 更改系统环境变量
加上JAVA_OPTS=-Xms64m -Xmx512m
2,如果用的tomcat,在windows下,可以在
C:\tomcat5.5.9\bin\catali]]></description><category></category></item><item><title><![CDATA[IDEA配置部署SpringMVC项目tomcat8 和 jdk7]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/124625518</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/124625518</guid><author>learning_IT_boy</author><pubDate>Sat, 07 May 2022 10:28:48 +0800</pubDate><description><![CDATA[mvc 用 tomcat8 + jdk7 ]]></description><category></category></item><item><title><![CDATA[面试总结1Java知识]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/123708149</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/123708149</guid><author>learning_IT_boy</author><pubDate>Thu, 24 Mar 2022 13:02:07 +0800</pubDate><description><![CDATA[面试Java]]></description><category></category></item><item><title><![CDATA[spring cloud 初次学习（一）Nacos注册中心]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/122827996</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/122827996</guid><author>learning_IT_boy</author><pubDate>Wed, 09 Feb 2022 17:39:10 +0800</pubDate><description><![CDATA[Nacos 配置]]></description><category></category></item><item><title><![CDATA[tomcat调优-占用内存太多]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/121648631</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/121648631</guid><author>learning_IT_boy</author><pubDate>Wed, 01 Dec 2021 09:58:07 +0800</pubDate><description><![CDATA[tomcat 启动占用内存太多]]></description><category></category></item><item><title><![CDATA[aop切面详解-例权限校验、日志]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/121201393</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/121201393</guid><author>learning_IT_boy</author><pubDate>Mon, 08 Nov 2021 15:43:17 +0800</pubDate><description><![CDATA[文章目录前言一、AOP简介1.1什么是AOP？1.2 AOP体系与概念1.3 filter、interceptor、aop区别二、AOP使用示例2.1 AOP相关注解2.1.1  @Pointcut2.1.2 @Before2.1.3 @After2.1.4 @AfterReturning2.1.5 @AfterThrowing2.1.6 @Around2.2 注解拦截实例2.2.1 所有的get请求被调用前在控制台输出一句"get请求的advice触发了"2.2.2 自定义一个注解PermissionsA]]></description><category></category></item><item><title><![CDATA[Java文件操作之word转pdf并导出（liunx和windows）]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/120439407</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/120439407</guid><author>learning_IT_boy</author><pubDate>Thu, 23 Sep 2021 17:55:05 +0800</pubDate><description><![CDATA[前言
word转pdf 在网上找了很多，就这版能用，其他的试过可惜都失败了
先下载jar maven仓库找不到
链接: https://pan.baidu.com/s/13TIfBGFDgDJlxVonzUpgQQ 提取码: sbkg
一、jar放到本地仓库里面
&lt;dependency&gt;
    &lt;groupId&gt;com.aspose&lt;/groupId&gt;
    &lt;artifactId&gt;words&lt;/artifactId&gt;
    &lt;vers]]></description><category></category></item><item><title><![CDATA[JPA：identifier of an instance of （entity ）was altered from 数字 to null；]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/119757973</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/119757973</guid><author>learning_IT_boy</author><pubDate>Tue, 17 Aug 2021 15:34:32 +0800</pubDate><description><![CDATA[项目场景：
报错如下
identifier of an instance of com.pcitc.swm.pm.SolidWasteStorRec was altered from 4 to null; nested exception is org.hibernate.HibernateException: identifier of an instance of com.pcitc.swm.pm.SolidWasteStorRec was altered from 4 to null

问题描述：

]]></description><category></category></item><item><title><![CDATA[使用http://localhost:8068/eureka无法访问eureka主页面]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/118889045</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/118889045</guid><author>learning_IT_boy</author><pubDate>Mon, 19 Jul 2021 09:52:19 +0800</pubDate><description><![CDATA[项目场景：


问题描述：
本地启动之后无法访问eureka主页面
解决方案：

把http://localhost:8068/eureka 改成 http://localhost:8068/访问就行
其中的
这个其实是就是别的微服务请求eureka注册中心的地址
比如

如果我的理解有问题欢迎指正

...]]></description><category></category></item><item><title><![CDATA[linux配置mysql主从配置并搭建mycat]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/118024456</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/118024456</guid><author>learning_IT_boy</author><pubDate>Wed, 23 Jun 2021 11:34:16 +0800</pubDate><description><![CDATA[linux配置mysql主从配置并搭建mycat]]></description><category></category></item><item><title><![CDATA[使用xsell登录腾讯云服务器，总是让我用public key登录]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/117984223</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/117984223</guid><author>learning_IT_boy</author><pubDate>Thu, 17 Jun 2021 10:34:39 +0800</pubDate><description><![CDATA[项目场景：
使用xsell登录腾讯云服务器，总是让我用公钥登录

原因分析：
上网上找了很多

这个是阿里云的，所以我试了一下腾讯云并不是这样
解决方案：
我试了，解决办法就是把这个一键登录关了就能用xshell登录了


...]]></description><category></category></item><item><title><![CDATA[docker 安装 elasticsearch redis mysql rabbitmq redis zookeeper jenkins]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/116699456</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/116699456</guid><author>learning_IT_boy</author><pubDate>Wed, 12 May 2021 18:05:18 +0800</pubDate><description><![CDATA[docker 安装一系列东西
docker 安装 详见我https://blog.youkuaiyun.com/learning_IT_boy/article/details/115691701
查看curl版本
curl -V

出现-bash: curl: command not found
先安装一下curl
wget https://curl.haxx.se/download/curl-7.56.1.tar.gz
tar xvf curl-7.56.1.tar.gz
cd curl-7.56.1
./confi]]></description><category></category></item><item><title><![CDATA[netstat  chmod  chattr权限问题 Permission denied]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/116660457</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/116660457</guid><author>learning_IT_boy</author><pubDate>Tue, 11 May 2021 16:45:55 +0800</pubDate><description><![CDATA[1.chattr权限问题：
在我运行chattr -i /usr/bin/netstat出现
bash: /usr/bin/chattr: Permission denied
我的解决方案
[root@c7 bin]# cd /usr/bin
[root@c7 bin]# ls -lh chattr;lsattr chattr
-rw-r--r--. 1 root root 12K Jun  9 19:59 chattr
----i----------- chattr
[root@c7 bin]# cp c]]></description><category></category></item><item><title><![CDATA[wget已安装但命令没找到]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/116521824</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/116521824</guid><author>learning_IT_boy</author><pubDate>Sat, 08 May 2021 11:43:35 +0800</pubDate><description><![CDATA[项目场景：
今天准备用wget下载时，发现报错误-bash: wget: command not found
问题描述：
于是执行yum install wget下载wget，却发现已经安装了wget，但尝试用wget命令下载却仍然报wget命令没有找到的错误。
原因分析：
执行yum install wget下载wget，却发现已经安装了wget，
Package wget-1.14-18.el7_6.1.x86_64 already installed and latest version
Nothin]]></description><category></category></item><item><title><![CDATA[java版集成支付宝沙箱操作]]></title><link>https://blog.youkuaiyun.com/learning_IT_boy/article/details/116263476</link><guid>https://blog.youkuaiyun.com/learning_IT_boy/article/details/116263476</guid><author>learning_IT_boy</author><pubDate>Thu, 29 Apr 2021 17:59:52 +0800</pubDate><description><![CDATA[java版集成支付宝操作
文章目录java版集成支付宝操作一、支付宝demo讲解1.总结


一、支付宝demo讲解
1.
总结
提示：这里对文章进行总结：
例如：以上就是今天要讲的内容，本文仅仅简单介绍了pandas的使用，而pandas提供了大量能使我们快速便捷地处理数据的函数和方法。

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