This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
Which repository manager are you running? Nexus? Artifactory? The repository URL looks suspicious, it doesn't look like a typical Nexus repository location.
Based on the artifact version, I suspect that you are attempting to deploy a SNAPSHOT. I suspect that the repository you are deploying it to is not a snapshot repository (you cannot deploy snapshot to a "release" repository), hence the 405 error.