1.如果发现某个jar包,自己的pom中并没有定义,想看一下是被哪个jar包间接引用的,两种方法
(1)用mvn dependency:tree>temp/tree.txt,直接输出到当前项目下,然后在idea中打开,搜索要找的jar包名字即可.
这里的 "+-" 和"-"并没有什么意义,只是为了让分级看起来更直观
mvn dependency:tree > logging
把mvn依赖文件输出到本地，其次,查看哪个方法不存在，双击shift找到文件所在的类，看jar包版本
如图,可看到jline是在zookeeper中被间接引用的
2.如果想看冲突和重复的具体情况,用verbose参数
mvn dependency:tree -Dverbose > logging
如图,用了程序显式定义的版本
H:\下载\新建文件夹\yjg>mvn dependency:tree -Dverbose -Dincludes=commons-collections
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for esshop:esshop:war:0.0.1-SNAPSHOT
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ line 621,
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building esshop Maven Webapp 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-dependency-plugin:2.8:tree (default-cli) @ esshop ---
[INFO] esshop:esshop:war:0.0.1-SNAPSHOT
[INFO] +- commons-collections:commons-collections:jar:3.2.1:compile
[INFO] +- org.hibernate:hibernate:jar:3.2.2.ga:compile
[INFO] | \- (commons-collections:commons-collections:jar:2.1.1:compile - omitted for conflict with 3.2.1)
[INFO] +- org.hibernate:hibernate-annotations:jar:3.4.0.GA:compile
[INFO] | \- org.hibernate:hibernate-core:jar:3.3.0.SP1:compile
[INFO] | \- (commons-collections:commons-collections:jar:3.1:compile - omitted for conflict with 3.2.1)
[INFO] +- org.springframework.security:spring-security-core:jar:2.0.4:compile
[INFO] | \- (commons-collections:commons-collections:jar:3.2:compile - omitted for conflict with 3.2.1)
[INFO] +- org.apache.velocity:velocity:jar:1.5:compile
[INFO] | \- (commons-collections:commons-collections:jar:3.1:compile - omitted for conflict with 3.2.1)
[INFO] \- net.sf.json-lib:json-lib:jar:jdk15:2.4:compile
[INFO] \- (commons-collections:commons-collections:jar:3.2.1:compile - omitted for duplicate)
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
