dependencies.dependency.version' for org.apache.commons:commons-math3:jar is missing

完整报错如下：

mvn clean scala:compile package

[INFO] Scanning for projects...

[ERROR] [ERROR] Some problems were encountered while processing the POMs:

[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: info.bliki.wiki:bliki-core:jar -> duplicate declaration of version 3.0.19 @ line 61, column 13

[ERROR] 'dependencies.dependency.version' for mons:commons-math3:jar is missing. @ line 157, column 13

@

[ERROR] The build could not read 1 project -> [Help 1]

[ERROR]

[ERROR] The project scalalearn:scalalearn:1.0-SNAPSHOT (/home/appleyuchi/桌面/Spark高级数据分析/Advanced_Analytics_with_Spark-Second_Edition/第9章－基于蒙特卡罗模拟的金融风险评估/pom.xml) has 1 error

[ERROR] 'dependencies.dependency.version' for mons:commons-math3:jar is missing. @ line 157, column 13

[ERROR]

[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.

[ERROR] Re-run Maven using the -X switch to enable full debug logging.

[ERROR]

[ERROR] For more information about the errors and possible solutions, please read the following articles:

[ERROR] [Help 1] /confluence/display/MAVEN/ProjectBuildingException

解决方案：

<dependency><groupId>mons</groupId><artifactId>commons-math3</artifactId></dependency>

<dependency><groupId>mons</groupId><artifactId>commons-math3</artifactId><version>3.0</version></dependency>