Maven的依賴順序問題導入其他項目的jar

我是新來的春天的世界，我有2個項目，Maven的依賴順序問題導入其他項目的jar

通知項目
身份驗證項目，這是一個正常的春季安全項目

一號項目是根據第二個我導入使用Maven的

我的第一個項目就是一個休息ENDP oint其中的AuthenticationProvider和authenticationfilter是基於所述第二項目

我的第二個項目基本上包含兩件事情 1.成分註釋CustomAuthenticationProvider從彈簧延伸安全的AuthenticationProvider 2. customFilter在我的第一項目我還延伸AbstractAuthenticationProcessingFilter

使用springfox招搖，我導入這樣

*other dependency above* 
     <dependency> 
     <groupId>com.mycompany.authenticate</groupId> 
     <artifactId>authenticate</artifactId> 
     <version>0.0.1-SNAPSHOT</version> 
     </dependency> 
     <dependency> 
     <groupId>io.springfox</groupId> 
     <artifactId>springfox-swagger2</artifactId> 
     <version>2.6.1</version> 
     </dependency> 
     <dependency> 
     <groupId>io.springfox</groupId> 
     <artifactId>springfox-swagger-ui</artifactId> 
     <version>2.6.1</version> 
     </dependency>

，並拋出它說，

錯誤

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'apiDescriptionReader' defined in URL [jar:file:/C:/Users/hans/.m2/repository/io/springfox/springfox-spring-web/2.6.1/springfox-spring-web-2.6.1.jar!/springfox/documentation/spring/web/scanners/ApiDescriptionReader.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cachingOperationReader' defined in URL [jar:file:/C:/Users/hans/.m2/repository/io/springfox/springfox-spring-web/2.6.1/springfox-spring-web-2.6.1.jar!/springfox/documentation/spring/web/scanners/CachingOperationReader.class]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [springfox.documentation.spring.web.scanners.CachingOperationReader]: Constructor threw exception; nested exception is java.lang.NoSuchMethodError: com.google.common.cache.CacheBuilder.maximumSize(J)Lcom/google/common/cache/CacheBuilder; 
     at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:749) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:189) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1193) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1095) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866) ~[spring-context-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542) ~[spring-context-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE] 
     at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:737) [spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE] 
     at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:370) [spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE] 
     at org.springframework.boot.SpringApplication.run(SpringApplication.java:314) [spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE] 
     at org.springframework.boot.SpringApplication.run(SpringApplication.java:1162) [spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE] 
     at org.springframework.boot.SpringApplication.run(SpringApplication.java:1151) [spring-boot-1.5.3.RELEASE.jar:1.5.3.RELEASE] 
     at com.styletribute.notification.NotificationApplication.main(NotificationApplication.java:12) [classes/:na] 
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cachingOperationReader' defined in URL [jar:file:/C:/Users/hans/.m2/repository/io/springfox/springfox-spring-web/2.6.1/springfox-spring-web-2.6.1.jar!/springfox/documentation/spring/web/scanners/CachingOperationReader.class]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [springfox.documentation.spring.web.scanners.CachingOperationReader]: Constructor threw exception; nested exception is java.lang.NoSuchMethodError: com.google.common.cache.CacheBuilder.maximumSize(J)Lcom/google/common/cache/CacheBuilder; 
     at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:279) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1193) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1095) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:835) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:741) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     ... 19 common frames omitted 
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [springfox.documentation.spring.web.scanners.CachingOperationReader]: Constructor threw exception; nested exception is java.lang.NoSuchMethodError: com.google.common.cache.CacheBuilder.maximumSize(J)Lcom/google/common/cache/CacheBuilder; 
     at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:154) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:122) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:271) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     ... 32 common frames omitted 
Caused by: java.lang.NoSuchMethodError: com.google.common.cache.CacheBuilder.maximumSize(J)Lcom/google/common/cache/CacheBuilder; 
     at springfox.documentation.spring.web.scanners.CachingOperationReader.<init>(CachingOperationReader.java:45) ~[springfox-spring-web-2.6.1.jar:2.6.1] 
     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_121] 
     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_121] 
     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_121] 
     at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_121] 
     at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:142) ~[spring-beans-4.3.8.RELEASE.jar:4.3.8.RELEASE] 
     ... 34 common frames omitted

最後的路我春天的安全配置是

@Configuration 
    @EnableWebSecurity 
    @EnableGlobalMethodSecurity(prePostEnabled = true) 
    @ComponentScan(basePackages = {"com.mycompany.authenticate"}) 
    public class SecurityConfiguration extends WebSecurityConfigurerAdapter{ 

     @Autowired 
     private AuthenticationManager authenticationManager; 
     @Autowired 
     private CustomAuthenticationProvider auths; 


     @Override 
     protected void configure(AuthenticationManagerBuilder auth) throws Exception { 
      auth.authenticationProvider(auths); 
     } 
    }

配置我招搖是

@Configuration 
@EnableSwagger2 
public class SwaggerConfiguration {          
    @Bean 
    public Docket api() { 
     return new Docket(DocumentationType.SWAGGER_2) 
      .select()         
      .apis(RequestHandlerSelectors.any())    
      .paths(PathSelectors.any())       
      .build();           
    } 
}

我的身份驗證裏面的POM XML的方式是

<dependencies> 
     <dependency> 
      <groupId>org.springframework</groupId> 
      <artifactId>spring-core</artifactId> 
      <version>${org.springframework-version}</version> 
      <exclusions> 
       <exclusion> 
        <groupId>commons-logging</groupId> 
        <artifactId>commons-logging</artifactId> 
       </exclusion> 
      </exclusions> 
     </dependency> 
     <dependency> 
      <groupId>org.slf4j</groupId> 
      <artifactId>slf4j-api</artifactId> 
      <version>${org.slf4j-version}</version> 
     </dependency> 
     <dependency> 
      <groupId>org.slf4j</groupId> 
      <artifactId>jcl-over-slf4j</artifactId> 
      <version>${org.slf4j-version}</version> 
      <scope>runtime</scope> 
     </dependency> 
     <dependency> 
      <groupId>org.slf4j</groupId> 
      <artifactId>slf4j-log4j12</artifactId> 
      <version>${org.slf4j-version}</version> 
      <scope>runtime</scope> 
     </dependency> 
     <dependency> 
      <groupId>log4j</groupId> 
      <artifactId>log4j</artifactId> 
      <version>1.2.16</version> 
      <scope>runtime</scope> 
     </dependency> 
     <dependency> 
      <groupId>com.fasterxml.jackson.core</groupId> 
      <artifactId>jackson-databind</artifactId> 
      <version>2.5.3</version> 
     </dependency> 
     <dependency> 
      <groupId>org.springframework.security</groupId> 
      <artifactId>spring-security-web</artifactId> 
      <version>${org.springframework.security-version}</version> 
     </dependency> 
     <dependency> 
      <groupId>javax.servlet</groupId> 
      <artifactId>servlet-api</artifactId> 
      <version>2.3</version> 
     </dependency> 
     <dependency> 
      <groupId>org.projectlombok</groupId> 
      <artifactId>lombok-maven-plugin</artifactId> 
      <version>1.16.4.1</version> 
     </dependency> 
     <dependency> 
      <groupId>org.yaml</groupId> 
      <artifactId>snakeyaml</artifactId> 
      <version>1.18</version> 
     </dependency> 
    </dependencies>

但當我在第一個項目中更改maven的順序時

*other dependency above* 

     <dependency> 
     <groupId>io.springfox</groupId> 
     <artifactId>springfox-swagger2</artifactId> 
     <version>2.6.1</version> 
     </dependency> 
     <dependency> 
     <groupId>io.springfox</groupId> 
     <artifactId>springfox-swagger-ui</artifactId> 
     <version>2.6.1</version> 
     </dependency> 
<dependency> 
     <groupId>com.mycompany.authenticate</groupId> 
     <artifactId>authenticate</artifactId> 
     <version>0.0.1-SNAPSHOT</version> 
     </dependency>

它沒有顯示任何錯誤，我可以知道爲什麼會發生這種情況嗎？您的幫助真的很感謝

來源

2017-05-04 Hans Tjipto

它看起來像你有兩個不同版本的jar包含在類路徑上的com.google.common.cache.CacheBuilder;一個是SpringFox的依賴關係，另一個是你的authenticate模塊的傳遞依賴關係。您可以通過在通知項目上運行mvn dependency:tree來確認此事。當Maven遇到相同依賴關係的兩個不同版本時，需要選擇使用哪一個版本。

Maven解決了版本衝突using a nearest wins strategy，其中nearest表示從衝突模塊到依賴關係圖根的最短路徑。如果兩個模塊與圖的根的距離相同，則使用靠近pom.xml頂部的依賴關係拉入的版本。我認爲這是後面一點，這就解釋了爲什麼交換你的pom中依賴的順序可以修復你所看到的失敗。

來源

2017-05-04 08:04:53

Maven的依賴順序問題導入其他項目的jar

回答

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