<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[laychityun的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/laychityun</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; laychityun]]></copyright><item><title><![CDATA[观察者+策略模式实现应用解耦、代码无侵入]]></title><link>https://blog.youkuaiyun.com/laychityun/article/details/131956740</link><guid>https://blog.youkuaiyun.com/laychityun/article/details/131956740</guid><author>laychityun</author><pubDate>Thu, 27 Jul 2023 11:40:45 +0800</pubDate><description><![CDATA[最近有个导入需求，系统导入的Excel数据存入表时，用户手填的信息导入到表里时要将每个值对应的ID也关联起来（用户当然不会手填值对应的ID），以及导入文件的其他信息要更新到其他相关表中等一系列处理，所以此时就可以使用以下元素来实现这个需求● 一个发布事件● 一个Handler接口● 一个@Handler注解● 一个HandlerContext管理所有的Handler（使用@Handler注解）● 一个监听器● n个Handler。]]></description><category></category></item><item><title><![CDATA[Caused by: com.alibaba.nacos.api.exception.NacosException: endpoint is blank]]></title><link>https://blog.youkuaiyun.com/laychityun/article/details/119849228</link><guid>https://blog.youkuaiyun.com/laychityun/article/details/119849228</guid><author>laychityun</author><pubDate>Sun, 22 Aug 2021 10:28:24 +0800</pubDate><description><![CDATA[spring cloud nacos作为注册中心启动报错
2021-08-22 10:14:49.738 ERROR 72088 --- [           main] c.a.cloud.nacos.NacosConfigProperties    : create config service error!properties=NacosConfigProperties{serverAddr='null', encode='null', group='DEFAULT_GROUP', prefix=']]></description><category></category></item><item><title><![CDATA[Maven下载包失败]]></title><link>https://blog.youkuaiyun.com/laychityun/article/details/92769220</link><guid>https://blog.youkuaiyun.com/laychityun/article/details/92769220</guid><author>laychityun</author><pubDate>Tue, 18 Jun 2019 10:57:23 +0800</pubDate><description><![CDATA[将Maven的conf目录下的settings.xml中的镜像配置修改为阿里云镜像，将&lt;mirrors&gt;标签里的内容替换成如下内容：
&lt;mirrors&gt;
    &lt;!-- mirror
     | Specifies a repository mirror site to use instead of a given repository. The reposito...]]></description><category></category></item><item><title><![CDATA[zookeeper报错java.net.ConnectException: Connection refused: no further information]]></title><link>https://blog.youkuaiyun.com/laychityun/article/details/81980596</link><guid>https://blog.youkuaiyun.com/laychityun/article/details/81980596</guid><author>laychityun</author><pubDate>Thu, 23 Aug 2018 14:39:38 +0800</pubDate><description><![CDATA[具体异常信息： 
java.net.ConnectException: Connection refused: no further information 
    at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) 
    at sun.nio.ch.SocketChannelImpl.finishConnect(Socke...]]></description><category></category></item><item><title><![CDATA[zookeeper报错[org.apache.zookeeper.ClientCnxnSocketNIO]-[DEBUG] Ignoring exception during]]></title><link>https://blog.youkuaiyun.com/laychityun/article/details/81938753</link><guid>https://blog.youkuaiyun.com/laychityun/article/details/81938753</guid><author>laychityun</author><pubDate>Wed, 22 Aug 2018 10:00:21 +0800</pubDate><description><![CDATA[异常信息： 
2018-08-22 09:51:24,926 [localhost-startStop-1-SendThread(192.168.43.31:2181)] [org.apache.zookeeper.ClientCnxn]-[WARN] Session 0x0 for server null, unexpected error, closing socket connection ...]]></description><category></category></item></channel></rss>