cannot resolve com.example.xx.R

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原创 最新推荐文章于 2025-10-28 13:52:30 发布 · 937 阅读 · 0 ·
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#android

本文讨论了在Android开发过程中，由于混淆将strings.xml文件中的string属性值写成String而引发的问题，并提供了解决方案。

做Android的时候遇到的问题
有时候只是因为values中的某个xml里面有错误而已，比如我误把strings.xml中的某个string写成了String

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android studio 文件夹改名后 比如 example 改成demo 出现Cannot resolve symbol ‘R
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今天在调试的时候，Android Studio 报了一个莫名其妙的错误Cannot resolve symbol ‘R’让人不知所措。因为这东西根本不归我管啊，怎么会出现Cannot resolve symbol这种错误呢？ 谷歌了一下，找到解决方法如下： Build -> Clean Project Tools -> Android -> Sync Project With Gradle Files ...
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java工程内显示 Cannot Resolve Symbol XXX问题解决方法
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显示无法找到symbol的原因一般是找不到对应的jar包，在非maven工程下需要手动导入jar包： 对于maven工程无法找到的原因一般是分两种：类对应的依赖没有加载进来、编译器自身的设置和缓存问题 第一步：检查工程内是否已有用到的jar包--》已有跳入第二步，未有跳入第二步 第二步：检查pom.xml 检查是否写入依赖，若写正确则跳到第三步，错误补对依赖 第...
Android Studio 出现“Cannot resolve symbol” 解决办法
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（一) Android Studio 无法识别同一个package里的其他类，将其显示为红色，但是compile没有问题。鼠标放上去后显示 “Cannot resolve symbol XXX”，重启 Android Studio，重新sync gradle，Clean build都没有用。 多半是因为Android Studio之前发生了错误，某些setting出了问题。解决方法如下： 点击菜单中的“File” -> “Invalidate Caches / Restart”...
C:\Java\bin\java.exe -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:53673,suspend=y,server=n -javaagent:C:\Users\ait\AppData\Local\JetBrains\IntelliJIdea2025.1\captureAgent\debugger-agent.jar=file:///C:/Users/ait/AppData/Local/Temp/capture12735004150221848884.props -agentpath:C:\Users\ait\AppData\Local\Temp\idea_libasyncProfiler_dll_temp_folder4\libasyncProfiler.dll=version,jfr,event=wall,interval=10ms,cstack=no,file=C:\Users\ait\IdeaSnapshots\Application__1__2025_06_12_155249.jfr,dbghelppath=C:\Users\ait\AppData\Local\Temp\idea_dbghelp_dll_temp_folder2\dbghelp.dll,log=C:\Users\ait\AppData\Local\Temp\Application__1__2025_06_12_155249.jfr.log.txt,logLevel=DEBUG -XX:TieredStopAtLevel=1 -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-Dmanagement.endpoints.jmx.exposure.include=*" -Dkotlinx.coroutines.debug.enable.creation.stack.trace=false -Ddebugger.agent.enable.coroutines=true -Dkotlinx.coroutines.debug.enable.flows.stack.trace=true -Dkotlinx.coroutines.debug.enable.mutable.state.flows.stack.trace=true -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8 -classpath "C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait\target\classes;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-starter-web\3.5.0\spring-boot-starter-web-3.5.0.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-starter\3.5.0\spring-boot-starter-3.5.0.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-starter-logging\3.5.0\spring-boot-starter-logging-3.5.0.jar;C:\Users\ait\.m2\repository\ch\qos\logback\logback-classic\1.5.18\logback-classic-1.5.18.jar;C:\Users\ait\.m2\repository\ch\qos\logback\logback-core\1.5.18\logback-core-1.5.18.jar;C:\Users\ait\.m2\repository\org\apache\logging\log4j\log4j-to-slf4j\2.24.3\log4j-to-slf4j-2.24.3.jar;C:\Users\ait\.m2\repository\org\apache\logging\log4j\log4j-api\2.24.3\log4j-api-2.24.3.jar;C:\Users\ait\.m2\repository\org\slf4j\jul-to-slf4j\2.0.17\jul-to-slf4j-2.0.17.jar;C:\Users\ait\.m2\repository\jakarta\annotation\jakarta.annotation-api\2.1.1\jakarta.annotation-api-2.1.1.jar;C:\Users\ait\.m2\repository\org\yaml\snakeyaml\2.4\snakeyaml-2.4.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-starter-json\3.5.0\spring-boot-starter-json-3.5.0.jar;C:\Users\ait\.m2\repository\com\fasterxml\jackson\core\jackson-databind\2.19.0\jackson-databind-2.19.0.jar;C:\Users\ait\.m2\repository\com\fasterxml\jackson\core\jackson-annotations\2.19.0\jackson-annotations-2.19.0.jar;C:\Users\ait\.m2\repository\com\fasterxml\jackson\core\jackson-core\2.19.0\jackson-core-2.19.0.jar;C:\Users\ait\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.19.0\jackson-datatype-jdk8-2.19.0.jar;C:\Users\ait\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.19.0\jackson-datatype-jsr310-2.19.0.jar;C:\Users\ait\.m2\repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.19.0\jackson-module-parameter-names-2.19.0.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-starter-tomcat\3.5.0\spring-boot-starter-tomcat-3.5.0.jar;C:\Users\ait\.m2\repository\org\apache\tomcat\embed\tomcat-embed-core\10.1.41\tomcat-embed-core-10.1.41.jar;C:\Users\ait\.m2\repository\org\apache\tomcat\embed\tomcat-embed-el\10.1.41\tomcat-embed-el-10.1.41.jar;C:\Users\ait\.m2\repository\org\apache\tomcat\embed\tomcat-embed-websocket\10.1.41\tomcat-embed-websocket-10.1.41.jar;C:\Users\ait\.m2\repository\org\springframework\spring-web\6.2.7\spring-web-6.2.7.jar;C:\Users\ait\.m2\repository\org\springframework\spring-beans\6.2.7\spring-beans-6.2.7.jar;C:\Users\ait\.m2\repository\io\micrometer\micrometer-observation\1.15.0\micrometer-observation-1.15.0.jar;C:\Users\ait\.m2\repository\io\micrometer\micrometer-commons\1.15.0\micrometer-commons-1.15.0.jar;C:\Users\ait\.m2\repository\org\springframework\spring-webmvc\6.2.7\spring-webmvc-6.2.7.jar;C:\Users\ait\.m2\repository\org\springframework\spring-aop\6.2.7\spring-aop-6.2.7.jar;C:\Users\ait\.m2\repository\org\springframework\spring-context\6.2.7\spring-context-6.2.7.jar;C:\Users\ait\.m2\repository\org\springframework\spring-expression\6.2.7\spring-expression-6.2.7.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-devtools\3.5.0\spring-boot-devtools-3.5.0.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot\3.5.0\spring-boot-3.5.0.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-autoconfigure\3.5.0\spring-boot-autoconfigure-3.5.0.jar;C:\Users\ait\.m2\repository\com\mysql\mysql-connector-j\8.0.33\mysql-connector-j-8.0.33.jar;C:\Users\ait\.m2\repository\org\projectlombok\lombok\1.18.38\lombok-1.18.38.jar;C:\Users\ait\.m2\repository\org\slf4j\slf4j-api\2.0.17\slf4j-api-2.0.17.jar;C:\Users\ait\.m2\repository\org\springframework\spring-core\6.2.7\spring-core-6.2.7.jar;C:\Users\ait\.m2\repository\org\springframework\spring-jcl\6.2.7\spring-jcl-6.2.7.jar;C:\Users\ait\.m2\repository\javax\servlet\javax.servlet-api\4.0.1\javax.servlet-api-4.0.1.jar;C:\Users\ait\.m2\repository\com\baomidou\mybatis-plus-spring-boot3-starter\3.5.7\mybatis-plus-spring-boot3-starter-3.5.7.jar;C:\Users\ait\.m2\repository\com\baomidou\mybatis-plus\3.5.7\mybatis-plus-3.5.7.jar;C:\Users\ait\.m2\repository\com\baomidou\mybatis-plus-core\3.5.7\mybatis-plus-core-3.5.7.jar;C:\Users\ait\.m2\repository\com\baomidou\mybatis-plus-annotation\3.5.7\mybatis-plus-annotation-3.5.7.jar;C:\Users\ait\.m2\repository\com\baomidou\mybatis-plus-extension\3.5.7\mybatis-plus-extension-3.5.7.jar;C:\Users\ait\.m2\repository\org\mybatis\mybatis\3.5.16\mybatis-3.5.16.jar;C:\Users\ait\.m2\repository\com\github\jsqlparser\jsqlparser\4.9\jsqlparser-4.9.jar;C:\Users\ait\.m2\repository\org\mybatis\mybatis-spring\3.0.3\mybatis-spring-3.0.3.jar;C:\Users\ait\.m2\repository\com\baomidou\mybatis-plus-spring-boot-autoconfigure\3.5.7\mybatis-plus-spring-boot-autoconfigure-3.5.7.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-starter-jdbc\3.5.0\spring-boot-starter-jdbc-3.5.0.jar;C:\Users\ait\.m2\repository\com\zaxxer\HikariCP\6.3.0\HikariCP-6.3.0.jar;C:\Users\ait\.m2\repository\org\springframework\spring-jdbc\6.2.7\spring-jdbc-6.2.7.jar;C:\Users\ait\.m2\repository\org\springframework\spring-tx\6.2.7\spring-tx-6.2.7.jar;C:\learn\IntelliJ IDEA 2025.1.2\lib\idea_rt.jar" com.example.ait.Application 已连接到地址为 ''127.0.0.1:53673'，传输: '套接字'' 的目标虚拟机 . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v3.5.0) 2025-06-12T15:52:51.275+08:00 INFO 11224 --- [ restartedMain] com.example.ait.Application : Starting Application using Java 21.0.7 with PID 11224 (C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait\target\classes started by ait in C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait) 2025-06-12T15:52:51.280+08:00 INFO 11224 --- [ restartedMain] com.example.ait.Application : No active profile set, falling back to 1 default profile: "default" 2025-06-12T15:52:51.324+08:00 INFO 11224 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable 2025-06-12T15:52:51.324+08:00 INFO 11224 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG' 2025-06-12T15:52:52.242+08:00 INFO 11224 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port 8080 (http) 2025-06-12T15:52:52.257+08:00 INFO 11224 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat] 2025-06-12T15:52:52.257+08:00 INFO 11224 --- [ restartedMain] o.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/10.1.41] 2025-06-12T15:52:52.304+08:00 INFO 11224 --- [ restartedMain] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext 2025-06-12T15:52:52.304+08:00 INFO 11224 --- [ restartedMain] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 979 ms 2025-06-12T15:52:52.737+08:00 WARN 11224 --- [ restartedMain] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [com/baomidou/mybatisplus/autoconfigure/MybatisPlusAutoConfiguration.class]: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactory' threw exception with message: Failed to parse mapping resource: 'file [C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait\target\classes\mapper\UserMapper.xml]' 2025-06-12T15:52:52.739+08:00 INFO 11224 --- [ restartedMain] o.apache.catalina.core.StandardService : Stopping service [Tomcat] 2025-06-12T15:52:52.751+08:00 INFO 11224 --- [ restartedMain] .s.b.a.l.ConditionEvaluationReportLogger : Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled. 2025-06-12T15:52:52.767+08:00 ERROR 11224 --- [ restartedMain] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [com/baomidou/mybatisplus/autoconfigure/MybatisPlusAutoConfiguration.class]: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactory' threw exception with message: Failed to parse mapping resource: 'file [C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait\target\classes\mapper\UserMapper.xml]' at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:657) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:645) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1375) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1205) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:569) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:529) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:339) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:373) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:337) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.DefaultListableBeanFactory.instantiateSingleton(DefaultListableBeanFactory.java:1222) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingleton(DefaultListableBeanFactory.java:1188) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:1123) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:987) ~[spring-context-6.2.7.jar:6.2.7] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:627) ~[spring-context-6.2.7.jar:6.2.7] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:753) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:439) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.run(SpringApplication.java:318) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1362) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1351) ~[spring-boot-3.5.0.jar:3.5.0] at com.example.ait.Application.main(Application.java:10) ~[classes/:na] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:50) ~[spring-boot-devtools-3.5.0.jar:3.5.0] Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactory' threw exception with message: Failed to parse mapping resource: 'file [C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait\target\classes\mapper\UserMapper.xml]' at org.springframework.beans.factory.support.SimpleInstantiationStrategy.lambda$instantiate$0(SimpleInstantiationStrategy.java:199) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiateWithFactoryMethod(SimpleInstantiationStrategy.java:88) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:168) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653) ~[spring-beans-6.2.7.jar:6.2.7] ... 24 common frames omitted Caused by: java.io.IOException: Failed to parse mapping resource: 'file [C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait\target\classes\mapper\UserMapper.xml]' at com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean.buildSqlSessionFactory(MybatisSqlSessionFactoryBean.java:680) ~[mybatis-plus-extension-3.5.7.jar:3.5.7] at com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean.afterPropertiesSet(MybatisSqlSessionFactoryBean.java:553) ~[mybatis-plus-extension-3.5.7.jar:3.5.7] at com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean.getObject(MybatisSqlSessionFactoryBean.java:711) ~[mybatis-plus-extension-3.5.7.jar:3.5.7] at com.baomidou.mybatisplus.autoconfigure.MybatisPlusAutoConfiguration.sqlSessionFactory(MybatisPlusAutoConfiguration.java:221) ~[mybatis-plus-spring-boot-autoconfigure-3.5.7.jar:3.5.7] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.lambda$instantiate$0(SimpleInstantiationStrategy.java:171) ~[spring-beans-6.2.7.jar:6.2.7] ... 27 common frames omitted Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'file [C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait\target\classes\mapper\UserMapper.xml]'. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'com.example.demo.model.UserInfo'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.example.demo.model.UserInfo at com.baomidou.mybatisplus.core.MybatisXMLMapperBuilder.configurationElement(MybatisXMLMapperBuilder.java:129) ~[mybatis-plus-core-3.5.7.jar:3.5.7] at com.baomidou.mybatisplus.core.MybatisXMLMapperBuilder.parse(MybatisXMLMapperBuilder.java:102) ~[mybatis-plus-core-3.5.7.jar:3.5.7] at com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean.buildSqlSessionFactory(MybatisSqlSessionFactoryBean.java:678) ~[mybatis-plus-extension-3.5.7.jar:3.5.7] ... 33 common frames omitted Caused by: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'com.example.demo.model.UserInfo'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.example.demo.model.UserInfo at org.apache.ibatis.builder.BaseBuilder.resolveClass(BaseBuilder.java:103) ~[mybatis-3.5.16.jar:3.5.16] at org.apache.ibatis.builder.xml.XMLStatementBuilder.parseStatementNode(XMLStatementBuilder.java:105) ~[mybatis-3.5.16.jar:3.5.16] at com.baomidou.mybatisplus.core.MybatisXMLMapperBuilder.buildStatementFromContext(MybatisXMLMapperBuilder.java:145) ~[mybatis-plus-core-3.5.7.jar:3.5.7] at com.baomidou.mybatisplus.core.MybatisXMLMapperBuilder.buildStatementFromContext(MybatisXMLMapperBuilder.java:137) ~[mybatis-plus-core-3.5.7.jar:3.5.7] at com.baomidou.mybatisplus.core.MybatisXMLMapperBuilder.configurationElement(MybatisXMLMapperBuilder.java:127) ~[mybatis-plus-core-3.5.7.jar:3.5.7] ... 35 common frames omitted Caused by: org.apache.ibatis.type.TypeException: Could not resolve type alias 'com.example.demo.model.UserInfo'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.example.demo.model.UserInfo at org.apache.ibatis.type.TypeAliasRegistry.resolveAlias(TypeAliasRegistry.java:128) ~[mybatis-3.5.16.jar:3.5.16] at org.apache.ibatis.builder.BaseBuilder.resolveAlias(BaseBuilder.java:132) ~[mybatis-3.5.16.jar:3.5.16] at org.apache.ibatis.builder.BaseBuilder.resolveClass(BaseBuilder.java:101) ~[mybatis-3.5.16.jar:3.5.16] ... 39 common frames omitted Caused by: java.lang.ClassNotFoundException: Cannot find class: com.example.demo.model.UserInfo at org.apache.ibatis.io.ClassLoaderWrapper.classForName(ClassLoaderWrapper.java:226) ~[mybatis-3.5.16.jar:3.5.16] at org.apache.ibatis.io.ClassLoaderWrapper.classForName(ClassLoaderWrapper.java:103) ~[mybatis-3.5.16.jar:3.5.16] at org.apache.ibatis.io.Resources.classForName(Resources.java:322) ~[mybatis-3.5.16.jar:3.5.16] at org.apache.ibatis.type.TypeAliasRegistry.resolveAlias(TypeAliasRegistry.java:124) ~[mybatis-3.5.16.jar:3.5.16] ... 41 common frames omitted 已与地址为 ''127.0.0.1:53673'，传输: '套接字'' 的目标虚拟机断开连接 进程已结束，退出代码为 0
06-14
我们正在解决MyBatis映射文件UserMapper.xml中无法解析类型别名com.example.demo.model.UserInfo的问题，并导致java.lang.ClassNotFoundException。根据经验，这个问题通常由以下原因引起：1.类型别名未在MyBatis...
C:\Java\bin\java.exe -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:59022,suspend=y,server=n -javaagent:C:\Users\ait\AppData\Local\JetBrains\IntelliJIdea2025.1\captureAgent\debugger-agent.jar=file:///C:/Users/ait/AppData/Local/Temp/capture3540985262112398190.props -agentpath:C:\Users\ait\AppData\Local\Temp\idea_libasyncProfiler_dll_temp_folder4\libasyncProfiler.dll=version,jfr,event=wall,interval=10ms,cstack=no,file=C:\Users\ait\IdeaSnapshots\Application__1__2025_06_12_160110.jfr,dbghelppath=C:\Users\ait\AppData\Local\Temp\idea_dbghelp_dll_temp_folder2\dbghelp.dll,log=C:\Users\ait\AppData\Local\Temp\Application__1__2025_06_12_160110.jfr.log.txt,logLevel=DEBUG -XX:TieredStopAtLevel=1 -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-Dmanagement.endpoints.jmx.exposure.include=*" -Dkotlinx.coroutines.debug.enable.creation.stack.trace=false -Ddebugger.agent.enable.coroutines=true -Dkotlinx.coroutines.debug.enable.flows.stack.trace=true -Dkotlinx.coroutines.debug.enable.mutable.state.flows.stack.trace=true -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8 -classpath "C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait\target\classes;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-starter-web\3.5.0\spring-boot-starter-web-3.5.0.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-starter\3.5.0\spring-boot-starter-3.5.0.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-starter-logging\3.5.0\spring-boot-starter-logging-3.5.0.jar;C:\Users\ait\.m2\repository\ch\qos\logback\logback-classic\1.5.18\logback-classic-1.5.18.jar;C:\Users\ait\.m2\repository\ch\qos\logback\logback-core\1.5.18\logback-core-1.5.18.jar;C:\Users\ait\.m2\repository\org\apache\logging\log4j\log4j-to-slf4j\2.24.3\log4j-to-slf4j-2.24.3.jar;C:\Users\ait\.m2\repository\org\apache\logging\log4j\log4j-api\2.24.3\log4j-api-2.24.3.jar;C:\Users\ait\.m2\repository\org\slf4j\jul-to-slf4j\2.0.17\jul-to-slf4j-2.0.17.jar;C:\Users\ait\.m2\repository\jakarta\annotation\jakarta.annotation-api\2.1.1\jakarta.annotation-api-2.1.1.jar;C:\Users\ait\.m2\repository\org\yaml\snakeyaml\2.4\snakeyaml-2.4.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-starter-json\3.5.0\spring-boot-starter-json-3.5.0.jar;C:\Users\ait\.m2\repository\com\fasterxml\jackson\core\jackson-databind\2.19.0\jackson-databind-2.19.0.jar;C:\Users\ait\.m2\repository\com\fasterxml\jackson\core\jackson-annotations\2.19.0\jackson-annotations-2.19.0.jar;C:\Users\ait\.m2\repository\com\fasterxml\jackson\core\jackson-core\2.19.0\jackson-core-2.19.0.jar;C:\Users\ait\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.19.0\jackson-datatype-jdk8-2.19.0.jar;C:\Users\ait\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.19.0\jackson-datatype-jsr310-2.19.0.jar;C:\Users\ait\.m2\repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.19.0\jackson-module-parameter-names-2.19.0.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-starter-tomcat\3.5.0\spring-boot-starter-tomcat-3.5.0.jar;C:\Users\ait\.m2\repository\org\apache\tomcat\embed\tomcat-embed-core\10.1.41\tomcat-embed-core-10.1.41.jar;C:\Users\ait\.m2\repository\org\apache\tomcat\embed\tomcat-embed-el\10.1.41\tomcat-embed-el-10.1.41.jar;C:\Users\ait\.m2\repository\org\apache\tomcat\embed\tomcat-embed-websocket\10.1.41\tomcat-embed-websocket-10.1.41.jar;C:\Users\ait\.m2\repository\org\springframework\spring-web\6.2.7\spring-web-6.2.7.jar;C:\Users\ait\.m2\repository\org\springframework\spring-beans\6.2.7\spring-beans-6.2.7.jar;C:\Users\ait\.m2\repository\io\micrometer\micrometer-observation\1.15.0\micrometer-observation-1.15.0.jar;C:\Users\ait\.m2\repository\io\micrometer\micrometer-commons\1.15.0\micrometer-commons-1.15.0.jar;C:\Users\ait\.m2\repository\org\springframework\spring-webmvc\6.2.7\spring-webmvc-6.2.7.jar;C:\Users\ait\.m2\repository\org\springframework\spring-aop\6.2.7\spring-aop-6.2.7.jar;C:\Users\ait\.m2\repository\org\springframework\spring-context\6.2.7\spring-context-6.2.7.jar;C:\Users\ait\.m2\repository\org\springframework\spring-expression\6.2.7\spring-expression-6.2.7.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-devtools\3.5.0\spring-boot-devtools-3.5.0.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot\3.5.0\spring-boot-3.5.0.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-autoconfigure\3.5.0\spring-boot-autoconfigure-3.5.0.jar;C:\Users\ait\.m2\repository\com\mysql\mysql-connector-j\8.0.33\mysql-connector-j-8.0.33.jar;C:\Users\ait\.m2\repository\org\projectlombok\lombok\1.18.38\lombok-1.18.38.jar;C:\Users\ait\.m2\repository\org\slf4j\slf4j-api\2.0.17\slf4j-api-2.0.17.jar;C:\Users\ait\.m2\repository\org\springframework\spring-core\6.2.7\spring-core-6.2.7.jar;C:\Users\ait\.m2\repository\org\springframework\spring-jcl\6.2.7\spring-jcl-6.2.7.jar;C:\Users\ait\.m2\repository\javax\servlet\javax.servlet-api\4.0.1\javax.servlet-api-4.0.1.jar;C:\Users\ait\.m2\repository\com\baomidou\mybatis-plus-spring-boot3-starter\3.5.7\mybatis-plus-spring-boot3-starter-3.5.7.jar;C:\Users\ait\.m2\repository\com\baomidou\mybatis-plus\3.5.7\mybatis-plus-3.5.7.jar;C:\Users\ait\.m2\repository\com\baomidou\mybatis-plus-core\3.5.7\mybatis-plus-core-3.5.7.jar;C:\Users\ait\.m2\repository\com\baomidou\mybatis-plus-annotation\3.5.7\mybatis-plus-annotation-3.5.7.jar;C:\Users\ait\.m2\repository\com\baomidou\mybatis-plus-extension\3.5.7\mybatis-plus-extension-3.5.7.jar;C:\Users\ait\.m2\repository\org\mybatis\mybatis\3.5.16\mybatis-3.5.16.jar;C:\Users\ait\.m2\repository\com\github\jsqlparser\jsqlparser\4.9\jsqlparser-4.9.jar;C:\Users\ait\.m2\repository\org\mybatis\mybatis-spring\3.0.3\mybatis-spring-3.0.3.jar;C:\Users\ait\.m2\repository\com\baomidou\mybatis-plus-spring-boot-autoconfigure\3.5.7\mybatis-plus-spring-boot-autoconfigure-3.5.7.jar;C:\Users\ait\.m2\repository\org\springframework\boot\spring-boot-starter-jdbc\3.5.0\spring-boot-starter-jdbc-3.5.0.jar;C:\Users\ait\.m2\repository\com\zaxxer\HikariCP\6.3.0\HikariCP-6.3.0.jar;C:\Users\ait\.m2\repository\org\springframework\spring-jdbc\6.2.7\spring-jdbc-6.2.7.jar;C:\Users\ait\.m2\repository\org\springframework\spring-tx\6.2.7\spring-tx-6.2.7.jar;C:\learn\IntelliJ IDEA 2025.1.2\lib\idea_rt.jar" com.example.ait.Application 已连接到地址为 ''127.0.0.1:59022'，传输: '套接字'' 的目标虚拟机 . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v3.5.0) 2025-06-12T16:01:11.437+08:00 INFO 28568 --- [ restartedMain] com.example.ait.Application : Starting Application using Java 21.0.7 with PID 28568 (C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait\target\classes started by ait in C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait) 2025-06-12T16:01:11.442+08:00 INFO 28568 --- [ restartedMain] com.example.ait.Application : No active profile set, falling back to 1 default profile: "default" 2025-06-12T16:01:11.485+08:00 INFO 28568 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable 2025-06-12T16:01:11.485+08:00 INFO 28568 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG' 2025-06-12T16:01:12.394+08:00 INFO 28568 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port 8080 (http) 2025-06-12T16:01:12.408+08:00 INFO 28568 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat] 2025-06-12T16:01:12.409+08:00 INFO 28568 --- [ restartedMain] o.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/10.1.41] 2025-06-12T16:01:12.451+08:00 INFO 28568 --- [ restartedMain] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext 2025-06-12T16:01:12.452+08:00 INFO 28568 --- [ restartedMain] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 965 ms 2025-06-12T16:01:12.913+08:00 WARN 28568 --- [ restartedMain] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [com/baomidou/mybatisplus/autoconfigure/MybatisPlusAutoConfiguration.class]: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactory' threw exception with message: Failed to parse mapping resource: 'file [C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait\target\classes\mapper\UserMapper.xml]' 2025-06-12T16:01:12.916+08:00 INFO 28568 --- [ restartedMain] o.apache.catalina.core.StandardService : Stopping service [Tomcat] 2025-06-12T16:01:12.930+08:00 INFO 28568 --- [ restartedMain] .s.b.a.l.ConditionEvaluationReportLogger : Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled. 2025-06-12T16:01:12.952+08:00 ERROR 28568 --- [ restartedMain] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [com/baomidou/mybatisplus/autoconfigure/MybatisPlusAutoConfiguration.class]: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactory' threw exception with message: Failed to parse mapping resource: 'file [C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait\target\classes\mapper\UserMapper.xml]' at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:657) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:645) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1375) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1205) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:569) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:529) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:339) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:373) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:337) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.DefaultListableBeanFactory.instantiateSingleton(DefaultListableBeanFactory.java:1222) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingleton(DefaultListableBeanFactory.java:1188) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:1123) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:987) ~[spring-context-6.2.7.jar:6.2.7] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:627) ~[spring-context-6.2.7.jar:6.2.7] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:753) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:439) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.run(SpringApplication.java:318) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1362) ~[spring-boot-3.5.0.jar:3.5.0] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1351) ~[spring-boot-3.5.0.jar:3.5.0] at com.example.ait.Application.main(Application.java:10) ~[classes/:na] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:50) ~[spring-boot-devtools-3.5.0.jar:3.5.0] Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactory' threw exception with message: Failed to parse mapping resource: 'file [C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait\target\classes\mapper\UserMapper.xml]' at org.springframework.beans.factory.support.SimpleInstantiationStrategy.lambda$instantiate$0(SimpleInstantiationStrategy.java:199) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiateWithFactoryMethod(SimpleInstantiationStrategy.java:88) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:168) ~[spring-beans-6.2.7.jar:6.2.7] at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653) ~[spring-beans-6.2.7.jar:6.2.7] ... 24 common frames omitted Caused by: java.io.IOException: Failed to parse mapping resource: 'file [C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait\target\classes\mapper\UserMapper.xml]' at com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean.buildSqlSessionFactory(MybatisSqlSessionFactoryBean.java:680) ~[mybatis-plus-extension-3.5.7.jar:3.5.7] at com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean.afterPropertiesSet(MybatisSqlSessionFactoryBean.java:553) ~[mybatis-plus-extension-3.5.7.jar:3.5.7] at com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean.getObject(MybatisSqlSessionFactoryBean.java:711) ~[mybatis-plus-extension-3.5.7.jar:3.5.7] at com.baomidou.mybatisplus.autoconfigure.MybatisPlusAutoConfiguration.sqlSessionFactory(MybatisPlusAutoConfiguration.java:221) ~[mybatis-plus-spring-boot-autoconfigure-3.5.7.jar:3.5.7] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.lambda$instantiate$0(SimpleInstantiationStrategy.java:171) ~[spring-beans-6.2.7.jar:6.2.7] ... 27 common frames omitted Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'file [C:\Users\ait\Desktop\java104_spring-master\java104_spring-master\202202151545_Springboot_web_ait\target\classes\mapper\UserMapper.xml]'. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'com.example.demo.model.UserInfo'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.example.demo.model.UserInfo at com.baomidou.mybatisplus.core.MybatisXMLMapperBuilder.configurationElement(MybatisXMLMapperBuilder.java:129) ~[mybatis-plus-core-3.5.7.jar:3.5.7] at com.baomidou.mybatisplus.core.MybatisXMLMapperBuilder.parse(MybatisXMLMapperBuilder.java:102) ~[mybatis-plus-core-3.5.7.jar:3.5.7] at com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean.buildSqlSessionFactory(MybatisSqlSessionFactoryBean.java:678) ~[mybatis-plus-extension-3.5.7.jar:3.5.7] ... 33 common frames omitted Caused by: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'com.example.demo.model.UserInfo'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.example.demo.model.UserInfo at org.apache.ibatis.builder.BaseBuilder.resolveClass(BaseBuilder.java:103) ~[mybatis-3.5.16.jar:3.5.16] at org.apache.ibatis.builder.xml.XMLStatementBuilder.parseStatementNode(XMLStatementBuilder.java:105) ~[mybatis-3.5.16.jar:3.5.16] at com.baomidou.mybatisplus.core.MybatisXMLMapperBuilder.buildStatementFromContext(MybatisXMLMapperBuilder.java:145) ~[mybatis-plus-core-3.5.7.jar:3.5.7] at com.baomidou.mybatisplus.core.MybatisXMLMapperBuilder.buildStatementFromContext(MybatisXMLMapperBuilder.java:137) ~[mybatis-plus-core-3.5.7.jar:3.5.7] at com.baomidou.mybatisplus.core.MybatisXMLMapperBuilder.configurationElement(MybatisXMLMapperBuilder.java:127) ~[mybatis-plus-core-3.5.7.jar:3.5.7] ... 35 common frames omitted Caused by: org.apache.ibatis.type.TypeException: Could not resolve type alias 'com.example.demo.model.UserInfo'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.example.demo.model.UserInfo at org.apache.ibatis.type.TypeAliasRegistry.resolveAlias(TypeAliasRegistry.java:128) ~[mybatis-3.5.16.jar:3.5.16] at org.apache.ibatis.builder.BaseBuilder.resolveAlias(BaseBuilder.java:132) ~[mybatis-3.5.16.jar:3.5.16] at org.apache.ibatis.builder.BaseBuilder.resolveClass(BaseBuilder.java:101) ~[mybatis-3.5.16.jar:3.5.16] ... 39 common frames omitted Caused by: java.lang.ClassNotFoundException: Cannot find class: com.example.demo.model.UserInfo at org.apache.ibatis.io.ClassLoaderWrapper.classForName(ClassLoaderWrapper.java:226) ~[mybatis-3.5.16.jar:3.5.16] at org.apache.ibatis.io.ClassLoaderWrapper.classForName(ClassLoaderWrapper.java:103) ~[mybatis-3.5.16.jar:3.5.16] at org.apache.ibatis.io.Resources.classForName(Resources.java:322) ~[mybatis-3.5.16.jar:3.5.16] at org.apache.ibatis.type.TypeAliasRegistry.resolveAlias(TypeAliasRegistry.java:124) ~[mybatis-3.5.16.jar:3.5.16] ... 41 common frames omitted 已与地址为 ''127.0.0.1:59022'，传输: '套接字'' 的目标虚拟机断开连接 进程已结束，退出代码为 0
06-14
我们之前已经讨论过MyBatis映射文件无法解析类型别名的问题，现在用户再次提问，问题聚焦于MyBatisPlus在SpringBoot项目中无法解析`UserMapper.xml`文件，具体错误是`ClassNotFoundException:...根据之前的解决方案，...
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