Maven artifacts qui manque

j'utilise maven2 et andromda .j'ai crée un projet et en exécutant mvn install je trouve cette erreur:

[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Failed to resolve artifact.

Missing:
----------
1) org.andromda.timetracker:timetracker-common:jar:1.0-SNAPSHOT

Try downloading the file manually from the project website.

Then, install it using the command:
mvn install:install-file -DgroupId=org.andromda.timetracker -DartifactId=timetrac

Alternatively, if you host your own repository you can deploy the file there:
mvn deploy:deploy-file -DgroupId=org.andromda.timetracker -DartifactId=timetracke

Path to dependency:
1) org.andromda.timetracker:timetracker-app:ear:1.0-SNAPSHOT
2) org.andromda.timetracker:timetracker-common:jar:1.0-SNAPSHOT

2) org.andromda.timetracker:timetracker-core:ejb:1.0-SNAPSHOT

Try downloading the file manually from the project website.

Then, install it using the command:
mvn install:install-file -DgroupId=org.andromda.timetracker -DartifactId=timetrac

Alternatively, if you host your own repository you can deploy the file there:
mvn deploy:deploy-file -DgroupId=org.andromda.timetracker -DartifactId=timetracke

Path to dependency:
1) org.andromda.timetracker:timetracker-app:ear:1.0-SNAPSHOT
2) org.andromda.timetracker:timetracker-core:ejb:1.0-SNAPSHOT

3) org.andromda.timetracker:timetracker-web:war:1.0-SNAPSHOT

Try downloading the file manually from the project website.

Then, install it using the command:
mvn install:install-file -DgroupId=org.andromda.timetracker -DartifactId=timetrac

Alternatively, if you host your own repository you can deploy the file there:
mvn deploy:deploy-file -DgroupId=org.andromda.timetracker -DartifactId=timetracke

Path to dependency:
1) org.andromda.timetracker:timetracker-app:ear:1.0-SNAPSHOT
2) org.andromda.timetracker:timetracker-web:war:1.0-SNAPSHOT

----------
3 required artifacts are missing.

for artifact:
org.andromda.timetracker:timetracker-app:ear:1.0-SNAPSHOT

from the specified remote repositories:
central (http://repo1.maven.org/maven2),
andromda (http://team.andromda.org/maven2)




je ne sais pas d'où je peux télécharger les artifacts qui manquent :( timetracker-common:jar:1.0-SNAPSHOT
timetracker-core:ejb:1.0-SNAPSHOT et
timetracker-web:war:1.0-SNAPSHOT
merci