Please add information, like error log, and what you really need !
As a beggining, does you archiva repository needs credentials. If true, consider adding them like this :
<!-- servers
| This is a list of authentication profiles, keyed by the server-id used within the system.
| Authentication profiles can be used whenever maven must make a connection to a remote server.
|-->
<servers>
<server>
<id>internal</id>
<username>username</username>
<password>password</password>
</server>
</servers>
solved Apache Archiva Maven