<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Wu_______的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Wu_______</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Wu_______]]></copyright><item><title><![CDATA[jpa 报错:No EntityManager with actual transaction available for current thread - cannot reliably proce]]></title><link>https://blog.youkuaiyun.com/Wu_______/article/details/121530201</link><guid>https://blog.youkuaiyun.com/Wu_______/article/details/121530201</guid><author>Wu_______</author><pubDate>Thu, 25 Nov 2021 09:30:45 +0800</pubDate><description><![CDATA[No EntityManager with actual transaction available for current thread - cannot reliably process 'remove' call

背景:

使用jpa编写删除方法时出现报错

代码：


int deleteUserByUserName(String username);

报错：


Exception in thread "main" org.springframework.dao.Invalid...]]></description><category></category></item><item><title><![CDATA[Jpa使用@Query时 报错Validation failed for query for method public abstract]]></title><link>https://blog.youkuaiyun.com/Wu_______/article/details/121526166</link><guid>https://blog.youkuaiyun.com/Wu_______/article/details/121526166</guid><author>Wu_______</author><pubDate>Wed, 24 Nov 2021 22:01:33 +0800</pubDate><description><![CDATA[在Jpa中使用@Query注解时出现以下错误：

Validation failed for query for method public abstract

解决方法：这是由于在@Query注解中使用原生SQL时未将nativeQuery属性值显式设为true


@Query(nativeQuery = true,value = "update user as u set u.userName=?1 where u.userName=?2")
    void updatePasswordByUser]]></description><category></category></item><item><title><![CDATA[此处不允许使用特性 transaction-manager]]></title><link>https://blog.youkuaiyun.com/Wu_______/article/details/121356827</link><guid>https://blog.youkuaiyun.com/Wu_______/article/details/121356827</guid><author>Wu_______</author><pubDate>Tue, 16 Nov 2021 15:21:12 +0800</pubDate><description><![CDATA[idea自动生成了如下命名空间



将其中的cache换成tx就行了


xmlns:tx="http://www.springframework.org/schema/tx"
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