Hi, I am a newer for openmeetings. As I Install penmeetings-3.1.1 completed, I want to build source code. But I got the same error by trying many times.
1. svn checkout https://svn.apache.org/repos/asf/openmeetings/application/trunk/ /u1/om-3.1.x/ 2. mvn clean install I have tried the releases that I remembered: 1747155,1748348, 1748496, 1748538, 1748647 I got the same error: Downloading: https://repository.apache.org/content/groups/snapshots/org/apache/rat/apache-rat-plugin/0.12-SNAPSHOT/apache-rat-plugin-0.12-SNAPSHOT.pom [WARNING] The POM for org.apache.rat:apache-rat-plugin:jar:0.12-SNAPSHOT is missing, no dependency information available [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary: [INFO] [INFO] Openmeetings ...................................... FAILURE [8.961s] [INFO] Openmeetings Util ................................. SKIPPED [INFO] Openmeetings DB ................................... SKIPPED [INFO] Openmeetings Core ................................. SKIPPED [INFO] Openmeetings Install .............................. SKIPPED [INFO] Openmeetings Service .............................. SKIPPED [INFO] Openmeetings Webservices .......................... SKIPPED [INFO] Openmeetings Web .................................. SKIPPED [INFO] Openmeetings Flash ................................ SKIPPED [INFO] Openmeetings Screen Sharing applet ................ SKIPPED [INFO] Openmeetings Server ............................... SKIPPED [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 3:00.654s [INFO] Finished at: Thu Jun 16 09:58:45 CST 2016 [INFO] Final Memory: 16M/118M [INFO] ------------------------------------------------------------------------ [ERROR] Plugin org.apache.rat:apache-rat-plugin:0.12-SNAPSHOT or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.rat:apache-rat-plugin:jar:0.12-SNAPSHOT: Could not find artifact org.apache.rat:apache-rat-plugin:pom:0.12-SNAPSHOT in apache-snapshots (https://repository.apache.org/content/groups/snapshots) -> [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/PluginResolutionException I can’t find any pom file In the URL: https://repository.apache.org/content/groups/snapshots/org/apache/rat/apache-rat-plugin/0.12-SNAPSHOT. How to result the problem? Jerry