atlas-package -U
[INFO] Project POM found
[INFO] Resolving plugin info, may take a while on the first run.
[INFO] Scanning for projects...
[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[ERROR] Non-resolvable import POM: The following artifacts could not be resolved: com.atlassian.confluence:confluence-plugins-platform-pom:pom:9.1.0-m69 (absent): com.atlassian.confluence:confluence-plugins-platform-pom:pom:9.1.0-m69 was not found in https://packages.atlassian.com/maven-atlassian-external/ during a previous attempt. This failure was cached in the local repository and resolution is not reattempted until the update interval of atlassian-packages-external has elapsed or updates are forced @ line 191, column 25
[ERROR] 'dependencies.dependency.version' for com.atlassian.confluence.rest:confluence-rest-plugin:jar is missing. @ line 136, column 21
[ERROR] 'dependencies.dependency.version' for com.atlassian.confluence:confluence-rest-v2-api:jar is missing. @ line 141, column 21
[ERROR] 'dependencies.dependency.version' for com.atlassian.confluence.plugins:confluence-space-ia:jar is missing. @ line 151, column 21
[ERROR] 'dependencies.dependency.version' for com.atlassian.confluence:confluence:jar is missing. @ line 171, column 21
@ 
[ERROR] The build could not read 1 project -> [Help 1]
[ERROR] 
[ERROR] The project com.itlab.confluence.plugins:test-project:4.20.2-SNAPSHOT (/Users/r2d2/atlassian-workplace/test-project_9/pom.xml) has 5 errors
[ERROR] Non-resolvable import POM: The following artifacts could not be resolved: com.atlassian.confluence:confluence-plugins-platform-pom:pom:9.1.0-m69 (absent): com.atlassian.confluence:confluence-plugins-platform-pom:pom:9.1.0-m69 was not found in https://packages.atlassian.com/maven-atlassian-external/ during a previous attempt. This failure was cached in the local repository and resolution is not reattempted until the update interval of atlassian-packages-external has elapsed or updates are forced @ line 191, column 25 -> [Help 2]
[ERROR] 'dependencies.dependency.version' for com.atlassian.confluence.rest:confluence-rest-plugin:jar is missing. @ line 136, column 21
[ERROR] 'dependencies.dependency.version' for com.atlassian.confluence:confluence-rest-v2-api:jar is missing. @ line 141, column 21
[ERROR] 'dependencies.dependency.version' for com.atlassian.confluence.plugins:confluence-space-ia:jar is missing. @ line 151, column 21
[ERROR] 'dependencies.dependency.version' for com.atlassian.confluence:confluence:jar is missing. @ line 171, column 21
[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/UnresolvableModelException