各位大神帮帮忙，koala搭建报错?报错

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[INFO] BUILD FAILURE
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[INFO] Total time: 20:14 min
[INFO] Finished at: 2015-03-02T10:14:08+08:00
[INFO] Final Memory: 9M/121M
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[ERROR] Failed to execute goal on project HRTWeb-web: Could not resolve dependencies for project org.hrt:HRTWeb-web:war:1.0.0-SNAPSHOT: The following artifacts could not be resolved: org.hrt:HRTWeb-facade1.0.0-SNAPSHOT, commons-lang:commons-lang2.6, org.hrt:HRTWeb-conf1.0.0-SNAPSHOT, org.hrt:HRTWeb-infra1.0.0-SNAPSHOT, org.hrt:HRTWeb-facade-impl1.0.0-SNAPSHOT, com.google.guava:guava18.0, proxool:proxool0.9.1: Could not find artifact org.hrt:HRTWeb-facade1.0.0-SNAPSHOT in nexus-osc (http://maven.oschina.net/content/groups/public/) -> [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/confluence/display/MAVEN/DependencyResolutionException