M2_REPO介绍

M2_REPO是一个用来定义 maven 2仓库在硬盘中的存储位置,windows默认是C:\Users\机器名\.m2\repository.按道理安装了m2eclipse插件就会在eclipse有了相应的设置。

如果没有安装m2eclipse插件,eclipse打开maven工程,可能就会报Unbound classpath variable: 'M2_REPO/**/***/***.jar'错误,这个时候就需要手动设置M2_REPO。

设置方式:
Eclipse->Windows->Preferences->java->Build Path->Classpath Variables
new一个,名字为M2_REPO,属性选folder
,默认路径C:\Users\机器名\.m2\repository


一旦你做了这样的设置eclipse就集成maven功能了,假如你在pom.xml增加了新的依赖jar包,在该工程的根目录 执行 mvn eclipse:eclipse 然后刷新workspace,新依赖的jar包就会加到该工程的构建路径中了。

如果没有安装m2eclipse插件,eclipse打开maven工程,可能就会报Unbound classpath variable: 'M2_REPO/**/***/***.jar'错误,这个时候就需要手动设置M2_REPO。

设置方式:
Eclipse->Windows->Preferences->java->Build Path->Classpath Variables
new一个,名字为M2_REPO,属性选folder
,默认路径C:\Users\机器名\.m2\repository


一旦你做了这样的设置eclipse就集成maven功能了,假如你在pom.xml增加了新的依赖jar包,在该工程的根目录 执行 mvn eclipse:eclipse 然后刷新workspace,新依赖的jar包就会加到该工程的构建路径中了。

"C:\Program Files\Java\jdk1.8.0_331\bin\java.exe" -XX:TieredStopAtLevel=1 -noverify -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=*" "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2024.2.3\lib\idea_rt.jar=64286:C:\Program Files\JetBrains\IntelliJ IDEA 2024.2.3\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_331\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_331\jre\lib\resources.jar;C:\Program 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apache-maven-3.8.5\mvn_repo\org\slf4j\jul-to-slf4j\1.7.33\jul-to-slf4j-1.7.33.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\jakarta\annotation\jakarta.annotation-api\1.3.5\jakarta.annotation-api-1.3.5.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\yaml\snakeyaml\1.29\snakeyaml-1.29.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\apache\tomcat\embed\tomcat-embed-el\9.0.56\tomcat-embed-el-9.0.56.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\hibernate\validator\hibernate-validator\6.2.0.Final\hibernate-validator-6.2.0.Final.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\jakarta\validation\jakarta.validation-api\2.0.2\jakarta.validation-api-2.0.2.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\jboss\logging\jboss-logging\3.4.3.Final\jboss-logging-3.4.3.Final.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\com\fasterxml\classmate\1.5.1\classmate-1.5.1.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\springframework\boot\spring-boot-starter-web\2.6.3\spring-boot-starter-web-2.6.3.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\springframework\boot\spring-boot-starter-json\2.6.3\spring-boot-starter-json-2.6.3.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.13.1\jackson-datatype-jdk8-2.13.1.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.13.1\jackson-datatype-jsr310-2.13.1.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\com\fasterxml\jackson\module\jackson-module-parameter-names\2.13.1\jackson-module-parameter-names-2.13.1.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\springframework\boot\spring-boot-starter-tomcat\2.6.3\spring-boot-starter-tomcat-2.6.3.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\apache\tomcat\embed\tomcat-embed-core\9.0.56\tomcat-embed-core-9.0.56.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\apache\tomcat\embed\tomcat-embed-websocket\9.0.56\tomcat-embed-websocket-9.0.56.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\springframework\spring-web\5.3.15\spring-web-5.3.15.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\springframework\spring-beans\5.3.15\spring-beans-5.3.15.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\springframework\spring-webmvc\5.3.15\spring-webmvc-5.3.15.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\springframework\spring-context\5.3.15\spring-context-5.3.15.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\springframework\spring-expression\5.3.15\spring-expression-5.3.15.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\projectlombok\lombok\1.18.28\lombok-1.18.28.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\slf4j\slf4j-api\1.7.33\slf4j-api-1.7.33.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\net\bytebuddy\byte-buddy\1.11.22\byte-buddy-1.11.22.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\springframework\spring-core\5.3.15\spring-core-5.3.15.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\springframework\spring-jcl\5.3.15\spring-jcl-5.3.15.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\com\github\xiaoymin\knife4j-openapi2-spring-boot-starter\4.3.0\knife4j-openapi2-spring-boot-starter-4.3.0.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\com\github\xiaoymin\knife4j-core\4.3.0\knife4j-core-4.3.0.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\com\github\xiaoymin\knife4j-openapi2-ui\4.3.0\knife4j-openapi2-ui-4.3.0.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\javassist\javassist\3.25.0-GA\javassist-3.25.0-GA.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\io\springfox\springfox-swagger2\2.10.5\springfox-swagger2-2.10.5.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\io\springfox\springfox-spi\2.10.5\springfox-spi-2.10.5.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\io\springfox\springfox-core\2.10.5\springfox-core-2.10.5.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\io\springfox\springfox-schema\2.10.5\springfox-schema-2.10.5.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\io\springfox\springfox-swagger-common\2.10.5\springfox-swagger-common-2.10.5.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\io\springfox\springfox-spring-web\2.10.5\springfox-spring-web-2.10.5.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\io\github\classgraph\classgraph\4.1.7\classgraph-4.1.7.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\springframework\plugin\spring-plugin-core\2.0.0.RELEASE\spring-plugin-core-2.0.0.RELEASE.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\springframework\plugin\spring-plugin-metadata\2.0.0.RELEASE\spring-plugin-metadata-2.0.0.RELEASE.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\org\mapstruct\mapstruct\1.3.1.Final\mapstruct-1.3.1.Final.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\io\swagger\swagger-models\1.6.6\swagger-models-1.6.6.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\io\swagger\swagger-annotations\1.6.6\swagger-annotations-1.6.6.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\io\springfox\springfox-bean-validators\2.10.5\springfox-bean-validators-2.10.5.jar;C:\Users\cy\work\apache-maven-3.8.5-bin\apache-maven-3.8.5\mvn_repo\io\springfox\springfox-spring-webmvc\2.10.5\springfox-spring-webmvc-2.10.5.jar" com.ccyy.weblog.web.WeblogWebApplication . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.6.3) 2025-06-24 12:45:03.986 INFO 5904 --- [ main] c.ccyy.weblog.web.WeblogWebApplication : Starting WeblogWebApplication using Java 1.8.0_331 on DESKTOP-OQK5PLI with PID 5904 (C:\Users\cy\Desktop\毕业设计\weblog\weblog-springboot\weblog-web\target\classes started by cy in C:\Users\cy\Desktop\毕业设计\weblog\weblog-springboot) 2025-06-24 12:45:03.988 INFO 5904 --- [ main] c.ccyy.weblog.web.WeblogWebApplication : The following profiles are active: dev 2025-06-24 12:45:04.293 WARN 5904 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [com.ccyy.weblog.web.WeblogWebApplication]; nested exception is java.io.FileNotFoundException: class path resource [org/springframework/security/config/annotation/web/configuration/WebSecurityConfigurerAdapter.class] cannot be opened because it does not exist 2025-06-24 12:45:04.297 INFO 5904 --- [ main] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2025-06-24 12:45:04.317 ERROR 5904 --- [ main] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [com.ccyy.weblog.web.WeblogWebApplication]; nested exception is java.io.FileNotFoundException: class path resource [org/springframework/security/config/annotation/web/configuration/WebSecurityConfigurerAdapter.class] cannot be opened because it does not exist at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:189) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:331) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:247) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:311) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:112) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:746) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:564) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.6.3.jar:2.6.3] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:732) [spring-boot-2.6.3.jar:2.6.3] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:414) [spring-boot-2.6.3.jar:2.6.3] at org.springframework.boot.SpringApplication.run(SpringApplication.java:302) [spring-boot-2.6.3.jar:2.6.3] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1303) [spring-boot-2.6.3.jar:2.6.3] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1292) [spring-boot-2.6.3.jar:2.6.3] at com.ccyy.weblog.web.WeblogWebApplication.main(WeblogWebApplication.java:12) [classes/:na] Caused by: java.io.FileNotFoundException: class path resource [org/springframework/security/config/annotation/web/configuration/WebSecurityConfigurerAdapter.class] cannot be opened because it does not exist at org.springframework.core.io.ClassPathResource.getInputStream(ClassPathResource.java:199) ~[spring-core-5.3.15.jar:5.3.15] at org.springframework.core.type.classreading.SimpleMetadataReader.getClassReader(SimpleMetadataReader.java:55) ~[spring-core-5.3.15.jar:5.3.15] at org.springframework.core.type.classreading.SimpleMetadataReader.<init>(SimpleMetadataReader.java:49) ~[spring-core-5.3.15.jar:5.3.15] at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:103) ~[spring-core-5.3.15.jar:5.3.15] at org.springframework.boot.type.classreading.ConcurrentReferenceCachingMetadataReaderFactory.createMetadataReader(ConcurrentReferenceCachingMetadataReaderFactory.java:86) ~[spring-boot-2.6.3.jar:2.6.3] at org.springframework.boot.type.classreading.ConcurrentReferenceCachingMetadataReaderFactory.getMetadataReader(ConcurrentReferenceCachingMetadataReaderFactory.java:73) ~[spring-boot-2.6.3.jar:2.6.3] at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:81) ~[spring-core-5.3.15.jar:5.3.15] at org.springframework.context.annotation.ConfigurationClassParser.asSourceClass(ConfigurationClassParser.java:696) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.context.annotation.ConfigurationClassParser$SourceClass.getSuperClass(ConfigurationClassParser.java:1010) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:341) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:250) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:199) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:304) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:250) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:207) ~[spring-context-5.3.15.jar:5.3.15] at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:175) ~[spring-context-5.3.15.jar:5.3.15] ... 13 common frames omitted 进程已结束,退出代码为 1
06-25
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