<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[醉吟离骚掩涕兮]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Jerry_John</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Jerry_John]]></copyright><item><title><![CDATA[java api 调用 kettle，查询接口超时]]></title><link>https://blog.youkuaiyun.com/Jerry_John/article/details/130992543</link><guid>https://blog.youkuaiyun.com/Jerry_John/article/details/130992543</guid><author>Jerry_John</author><pubDate>Thu, 01 Jun 2023 17:36:06 +0800</pubDate><description><![CDATA[执行kettle文件查询数据，接口超时]]></description><category></category></item><item><title><![CDATA[pagehelper版本升级导致pageSize为0时无法查询全部数据]]></title><link>https://blog.youkuaiyun.com/Jerry_John/article/details/124043466</link><guid>https://blog.youkuaiyun.com/Jerry_John/article/details/124043466</guid><author>Jerry_John</author><pubDate>Fri, 08 Apr 2022 18:34:29 +0800</pubDate><description><![CDATA[springboot、pagehelper（5.3.0）、升级、pageSize=0、page-size-zreo（pageSizezero）不生效]]></description><category></category></item><item><title><![CDATA[@Valid注解，异常统一处理]]></title><link>https://blog.youkuaiyun.com/Jerry_John/article/details/119566235</link><guid>https://blog.youkuaiyun.com/Jerry_John/article/details/119566235</guid><author>Jerry_John</author><pubDate>Tue, 10 Aug 2021 11:35:49 +0800</pubDate><description><![CDATA[转载：原文链接：https://blog.youkuaiyun.com/qq_38796327/article/details/89421466

在我们使用springboot作为微服务框架进行敏捷开发的时候，为了保证传递数据的安全性，需要对传递的数据进行校验，但是在以往的开发中，开发人员花费大量的时间在繁琐的if else 等判断语句来对参数进行校验，这种方式不但降低了我们的开发速度，而且写出来的代码中带有很多冗余代码，使得编写的代码不够优雅，为了将参数的验证逻辑和代码的业务逻辑进行解耦，Java给我们提供了@Va]]></description><category></category></item><item><title><![CDATA[springboot打包瘦身（本地jar）]]></title><link>https://blog.youkuaiyun.com/Jerry_John/article/details/110732145</link><guid>https://blog.youkuaiyun.com/Jerry_John/article/details/110732145</guid><author>Jerry_John</author><pubDate>Sun, 06 Dec 2020 11:26:46 +0800</pubDate><description><![CDATA[由于springboot项目jar包太大，导致传输发布很不方便，于是尝试将flatjar瘦身，即将jar包里面的第三方jar，即lib目录移出来，有很多的本地jar包需要解决，如：
![在这里插入图片描述](https://img-blog.csdnimg.cn/20201206112013298.png)

	1. 原始配置，使用spring-boot-maven-plugin：




2. 第一种方式：使用maven-dependency-plugin、spring-boot-maven-plugi.]]></description><category></category></item><item><title><![CDATA[springboot项目启动慢问题排查]]></title><link>https://blog.youkuaiyun.com/Jerry_John/article/details/106354154</link><guid>https://blog.youkuaiyun.com/Jerry_John/article/details/106354154</guid><author>Jerry_John</author><pubDate>Tue, 26 May 2020 13:41:19 +0800</pubDate><description><![CDATA[springboot项目，随着时间的推移，启动耗时逐步增加，从几分钟慢慢的达到30多分钟，有点恐怖！

项目中用到技术：hibernate、redis、kafka、线程池等，启动慢的环境使用的是mysql数据库！

1.最开始查看的启动日志，是在输出：

org.hibernate.id.UUIDHexGenerator    : HHH000409: Using org.hibernate.id.UUIDHexGenerator which does not generate IETF RFC 4...]]></description><category></category></item><item><title><![CDATA[neo4j 安装错误解决：Please see the attached cause exception "id_dsa_with_sha3_224"]]></title><link>https://blog.youkuaiyun.com/Jerry_John/article/details/105431336</link><guid>https://blog.youkuaiyun.com/Jerry_John/article/details/105431336</guid><author>Jerry_John</author><pubDate>Fri, 10 Apr 2020 13:13:51 +0800</pubDate><description><![CDATA[安装neo4j，windows版本报错：

org.neo4j.server.database.LifecycleManagingDatabase@49798e84

Caused by: java.lang.NoSuchFieldError: id_dsa_with_sha3_224

原因：

由于之前在jdk8：\jre\lib\ext目录下加了一个jar包，用来加解密算法导致！去掉此jar...]]></description><category></category></item><item><title><![CDATA[JPA懒加载异常：could not initialize proxy - no Session]]></title><link>https://blog.youkuaiyun.com/Jerry_John/article/details/105376946</link><guid>https://blog.youkuaiyun.com/Jerry_John/article/details/105376946</guid><author>Jerry_John</author><pubDate>Wed, 08 Apr 2020 00:10:53 +0800</pubDate><description><![CDATA[Caused by: org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: xxx.xxx.xxx.xxx.xxx.xxx.xxx, could not initialize proxy - no Session

springboot项目，hibernate

调用...]]></description><category></category></item><item><title><![CDATA[使用sqlldr，解决SQL*Loader-704，ORA-12154]]></title><link>https://blog.youkuaiyun.com/Jerry_John/article/details/99095779</link><guid>https://blog.youkuaiyun.com/Jerry_John/article/details/99095779</guid><author>Jerry_John</author><pubDate>Sat, 10 Aug 2019 18:37:04 +0800</pubDate><description><![CDATA[按转载文章执行sqlldr，

另附原创：使用sqlldr时报错：

SQL*Loader-704: Internal error: ulconnect: OCIServerAttach [0]
ORA-12154: TNS:could not resolve the connect identifier specified


一. 作用
SQL*LOADER是ORACLE的数据加载工具，用...]]></description><category></category></item></channel></rss>