运行springboot出现“A component required a bean of type…that could not be found“问题

本文介绍: 1.给主类XXXAp pli cat i on加注解@Map perScan(“包名.mapper 文件夹名”)查看导入的@Map per 是否正确。

问题：

***************************
APPLICATION FAILED TO START
***************************

De script i on:

A component require d a bean of type ‘org.com.mapper.Us e rMap per‘ t hat could no t b e found.

Act i on:

Con s ide r defining a bean of type ‘org.com.mapper.UserMa p per‘ in your configuration.

解决办法：

一：

查看导入的@Map per 是否正确

二：

1.给主类XXXAp pli cat ion加注解@Map perScan(“包名.mapper 文件夹名”)

2. pom.xml 文件的build 节点下加入如下代码：

 &lt;build&gt;
        &lt;resources&gt;
            &lt;resource&gt;
                &lt;directory>src/main/java</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                    <include>**/*.yml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                    <include>**/*.yml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
        </resources>
    </build>