Spring Boot问题解决汇总

一、Invalid value type for attribute 'factoryBeanObjectType': java.lang.String

org.springframework.beans.factory.BeanDefinitionStoreException: Invalid bean definition with name 'userMapper' defined in file [shop-user/target/classes/cn/probiecoder/shopuser/mapper/UserMapper.class]: Invalid value type for attribute 'factoryBeanObjectType': java.lang.String
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryBean(AbstractAutowireCapableBeanFactory.java:857) ~[spring-beans-6.1.12.jar:6.1.12]
	at org.springframework.beans.factory.support.AbstractBeanFactory.getType(AbstractBeanFactory.java:743) ~[spring-beans-6.1.12.jar:6.1.12]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAnnotationOnBean(DefaultListableBeanFactory.java:735) ~[spring-beans-6.1.12.jar:6.1.12]
	at org.springframework.boot.sql.init.dependency.AnnotationDependsOnDatabaseInitializationDetector.detect(AnnotationDependsOnDatabaseInitializationDetector.java:36) ~[spring-boot-3.3.3.jar:3.3.3]
	at 

升级POM依赖中mybatis-spring的版本高于3.0.3

<dependency>
    <groupId>org.mybatis</groupId>
    <artifactId>mybatis-spring</artifactId>
    <version>3.0.3</version>
</dependency>

如果使用的是mybatis-plus-boot-starter需要先排除mybatis-plus引用的旧版本的mybatis-spring：`

<dependency>
    <groupId>com.baomidou</groupId>
    <artifactId>mybatis-plus-boot-starter</artifactId>
    <version>${mybatis-plus.version}</version>
    <exclusions>
        <exclusion>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
        </exclusion>
    </exclusions>
</dependency>
<dependency>
    <groupId>org.mybatis</groupId>
    <artifactId>mybatis-spring</artifactId>
    <version>3.0.4</version>
</dependency>

二 java: java.lang.NoSuchFieldError: Class com.sun.tools.javac.tree.JCTree$JCImport does not have member field 'com.sun.tools.javac.tree.JCTree qualid'

java: java.lang.NoSuchFieldError: Class com.sun.tools.javac.tree.JCTree$JCImport does not have member field 'com.sun.tools.javac.tree.JCTree qualid'

问题原因：

JDK21版本要求的最低lombok版本为1.18.30，升级版本：

<dependency>
    <groupId>org.projectlombok</groupId>
    <artifactId>lombok</artifactId>
    <version>1.18.34</version>
    <scope>provided</scope>
</dependency>