关于maven的问题 mvn package时出现的错误

Question

[root@localhost storm-starter-master]# mvn -f m2-pom.xml package
[INFO] Scanning for projects...
Downloading: http://repo.maven.apache.org/maven2/com/theoryinpractise/clojure-maven-plugin/1.3.8/clojure-maven-plugin-1.3.8.pom
[ERROR] The build could not read 1 project -> [Help 1]
[ERROR]

[ERROR] The project storm.starter:storm-starter:0.0.1-SNAPSHOT (/home/lmy/storm-starter-master/m2-pom.xml) has 1 error
[ERROR] Unresolveable build extension: Plugin com.theoryinpractise:clojure-maven-plugin:1.3.8 or one of its dependencies could not be resolved: Failed to collect dependencies for com.theoryinpractise:clojure-maven-plugin:jar:1.3.8 (): Failed to read artifact descriptor for com.theoryinpractise:clojure-maven-plugin:jar:1.3.8: Could not transfer artifact com.theoryinpractise:clojure-maven-plugin:pom:1.3.8 from/to central (http://repo.maven.apache.org/maven2): repo.maven.apache.org: Name or service not known: Unknown host repo.maven.apache.org: Name or service not known -> [Help 2]
[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/confluence/display/MAVEN/ProjectBuildingException
[ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/PluginResolutionException