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锁定老帖子 主题:两把利斧解决maven的类包冲突问题
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作者 | 正文 |
发表时间:2012-06-08
最后修改:2012-06-08
要解决这个问题,首先就是要查看pom.xml显式和隐式的依赖类包,然后通过这个类包树找出我们不想要的依赖类包,手工将其排除在外就可以了。 下面,通过一个例子来说明: 我的项目使用testng进行测试,使用了untilis,由于unitils的类包会隐式依赖于junit,这是我不想看到的,下面的目的就是找出junit会谁隐式载入了,然后exculte掉它。 通过idea的maven依赖分析将不需要的依赖exclude掉 打开maven的pom.xml,在某个<dependency>中通过右键菜单:maven->show dependency 打开分析的图形化页面,如下所示: 通过菜单的exclude即解决这个间接依赖。 通过这个依赖树,我们还可以看到Junit还通过“unitils-spring”的依赖间接载入了,如下所示: 从上面的依赖树中,我们可以看出junit通过unitils-spring的unitils-database间接引入了,由于我的项目都不需要数据库的测试,因此,可以把unitils-database项整个exclude掉。 下面,是处理完成后的pom.xml关键片断: <dependency> <groupId>org.unitils</groupId> <artifactId>unitils-testng</artifactId> <version>${unitils.version}</version> <scope>test</scope> <exclusions> <exclusion> <artifactId>junit</artifactId> <groupId>junit</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.unitils</groupId> <artifactId>unitils-spring</artifactId> <version>${unitils.version}</version> <scope>test</scope> <exclusions> <exclusion> <artifactId>unitils-database</artifactId> <groupId>org.unitils</groupId> </exclusion> </exclusions> </dependency> </dependencies> 这样,被间接隐式引入的junit就被我们exclude在外了。 有时通过idea的依赖分析工具产生的树不够全,这时就需要使用mvn dependency:tree来查看依赖树了。 通过mvn dependency:tree 查看依赖树 引用 mvn dependency:tree
以下是使用这个工具产生的依赖树: 引用 E:\01workspace\chenxh\09research\rop\rop>mvn dependency:tree
[WARNING] [WARNING] Some problems were encountered while building the effective settings [WARNING] 'pluginRepositories.pluginRepository.id' must not be 'local', this identifier is reserved for the local re tory, using it for other repositories will corrupt your repository metadata. @ C:\Users\Administrator\.m2\settings.x [WARNING] [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building rop 1.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-dependency-plugin:2.1:tree (default-cli) @ rop --- [INFO] com.rop:rop:jar:1.0-SNAPSHOT [INFO] +- javax.validation:validation-api:jar:1.0.0.GA:compile [INFO] +- org.hibernate:hibernate-validator:jar:4.2.0.Final:compile [INFO] +- org.codehaus.jackson:jackson-core-asl:jar:1.9.5:compile [INFO] +- org.codehaus.jackson:jackson-mapper-asl:jar:1.9.5:compile [INFO] +- org.codehaus.jackson:jackson-jaxrs:jar:1.9.5:compile [INFO] +- org.codehaus.jackson:jackson-xc:jar:1.9.5:compile [INFO] +- com.fasterxml.jackson.dataformat:jackson-dataformat-xml:jar:2.0.0-RC2:compile [INFO] | +- com.fasterxml.jackson.core:jackson-core:jar:2.0.0-RC2:compile [INFO] | +- com.fasterxml.jackson.core:jackson-annotations:jar:2.0.0-RC2:compile [INFO] | +- com.fasterxml.jackson.core:jackson-databind:jar:2.0.0-RC2:compile [INFO] | +- com.fasterxml.jackson.module:jackson-module-jaxb-annotations:jar:2.0.0-RC2:compile [INFO] | \- org.codehaus.woodstox:stax2-api:jar:3.1.1:compile [INFO] | \- javax.xml.stream:stax-api:jar:1.0-2:compile [INFO] +- org.slf4j:slf4j-api:jar:1.6.1:compile [INFO] +- org.slf4j:slf4j-log4j12:jar:1.6.1:compile [INFO] +- log4j:log4j:jar:1.2.16:compile [INFO] +- org.springframework:spring-core:jar:3.1.1.RELEASE:compile [INFO] | +- org.springframework:spring-asm:jar:3.1.1.RELEASE:compile [INFO] | \- commons-logging:commons-logging:jar:1.1.1:compile [INFO] +- org.springframework:spring-context:jar:3.1.1.RELEASE:compile [INFO] | +- org.springframework:spring-aop:jar:3.1.1.RELEASE:compile [INFO] | +- org.springframework:spring-beans:jar:3.1.1.RELEASE:compile [INFO] | \- org.springframework:spring-expression:jar:3.1.1.RELEASE:compile [INFO] +- org.springframework:spring-context-support:jar:3.1.1.RELEASE:compile [INFO] +- org.springframework:spring-web:jar:3.1.1.RELEASE:compile [INFO] | \- aopalliance:aopalliance:jar:1.0:compile [INFO] +- org.springframework:spring-test:jar:3.1.1.RELEASE:compile [INFO] +- org.springframework:spring-webmvc:jar:3.1.1.RELEASE:compile [INFO] +- org.testng:testng:jar:6.3:test [INFO] | +- org.beanshell:bsh:jar:2.0b4:test [INFO] | +- com.beust:jcommander:jar:1.12:test [INFO] | \- org.yaml:snakeyaml:jar:1.6:test [INFO] +- org.mockito:mockito-all:jar:1.8.5:test [INFO] +- javax.servlet:servlet-api:jar:2.5:provided [INFO] +- org.unitils:unitils-core:jar:3.3:test [INFO] | +- commons-lang:commons-lang:jar:2.3:test [INFO] | +- commons-collections:commons-collections:jar:3.2:test [INFO] | \- ognl:ognl:jar:2.6.9:test [INFO] +- org.unitils:unitils-testng:jar:3.3:test [INFO] | \- org.testng:testng:jar:jdk15:5.8:test [INFO] | \- junit:junit:jar:3.8.1:test [INFO] \- org.unitils:unitils-spring:jar:3.3:test [INFO] +- org.springframework:spring-tx:jar:2.5.2:test [INFO] \- org.unitils:unitils-database:jar:3.3:test [INFO] +- org.unitils:unitils-dbmaintainer:jar:3.3:test [INFO] | +- org.hibernate:hibernate:jar:3.2.5.ga:test [INFO] | | +- net.sf.ehcache:ehcache:jar:1.2.3:test [INFO] | | +- asm:asm-attrs:jar:1.5.3:test [INFO] | | +- dom4j:dom4j:jar:1.6.1:test [INFO] | | +- antlr:antlr:jar:2.7.6:test [INFO] | | +- cglib:cglib:jar:2.1_3:test [INFO] | | \- asm:asm:jar:1.5.3:test [INFO] | \- org.dbunit:dbunit:jar:2.2.2:test [INFO] | +- junit-addons:junit-addons:jar:1.4:test [INFO] | | +- xerces:xercesImpl:jar:2.6.2:test [INFO] | | \- xerces:xmlParserAPIs:jar:2.6.2:test [INFO] | +- poi:poi:jar:2.5.1-final-20040804:test [INFO] | \- org.slf4j:slf4j-nop:jar:1.4.3:test [INFO] +- commons-dbcp:commons-dbcp:jar:1.2.2:test [INFO] | \- commons-pool:commons-pool:jar:1.3:test [INFO] \- org.springframework:spring-jdbc:jar:2.5.2:test [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 8.250s [INFO] Finished at: Fri Jun 08 09:08:09 CST 2012 [INFO] Final Memory: 7M/245M [INFO] ------------------------------------------------------------------------ 我原来一个使用idea分析不出的隐式依赖就是通用mvn dependency:tree找到的。 声明:ITeye文章版权属于作者,受法律保护。没有作者书面许可不得转载。
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发表时间:2012-06-11
用的是什么插件
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发表时间:2012-06-11
xmuysa 写道 用的是什么插件 应该是intellij idea自带的maven插件! |
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发表时间:2012-06-11
嗯。这个真好用啊。
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