jeecg-p3，执行mvn命令报错，求帮助！

rock_ll

PS D:\jiemi\jeecg\jeecg-p3\jeecg-p3-web> mvn install
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for org.p3framework:jeecg-p3-web:war:1.0.1
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: commons-logging:commons-logging
:jar -> version 1.1.1 vs ${commons-logging.version} @ org.p3framework:jeecg-p3-pom:1.0-SNAPSHOT, C:\Users\plant\.m2\repo
sitory\org\p3framework\jeecg-p3-pom\1.0-SNAPSHOT\jeecg-p3-pom-1.0-SNAPSHOT.pom, line 465, column 15
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: commons-collections:commons-col
lections:jar -> version 3.2 vs ${commons-collections.version} @ org.p3framework:jeecg-p3-pom:1.0-SNAPSHOT, C:\Users\plan
t\.m2\repository\org\p3framework\jeecg-p3-pom\1.0-SNAPSHOT\jeecg-p3-pom-1.0-SNAPSHOT.pom, line 475, column 15
[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 jeecg-p3-web 1.0.1
[INFO] ------------------------------------------------------------------------
[WARNING] The POM for org.p3framework:jeecg-p3-biz-cms:jar:1.0.0 is missing, no dependency information available
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.974 s
[INFO] Finished at: 2017-06-06T16:49:06+08:00
[INFO] Final Memory: 8M/154M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project jeecg-p3-web: Could not resolve dependencies for project org.p3framework:jeecg
-p3-web:war:1.0.1: Failure to find org.p3framework:jeecg-p3-biz-cms:jar:1.0.0 in http://maven.jeecg.org/nexus/content/re
positories/jeecg was cached in the local repository, resolution will not be reattempted until the update interval of jee
cg has elapsed or updates are forced -> [Help 1]
[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] http://cwiki.apache.org/confluen ... ResolutionException
PS D:\jiemi\jeecg\jeecg-p3\jeecg-p3-web>
求帮助，什么原因导致的不能执行maven命令？