Hi. I had the same problem.... the files: org/codehaus/mojo/cobertura-maven-plugin/2.5-Jaspersoft/cobertura-maven-plugin-2.5-Jaspersoft.pom, org/codehaus/mojo/cobertura-maven-plugin/2.5-Jaspersoft/cobertura-maven-plugin-2.5-Jaspersoft.jar are missing in jasperserver-repo (????????). To solve the problem I created a folder '.../'jasperserver-repo/org/codehaus/mojo/cobertura-maven-plugin/2.5-Jaspersoft/" in which I put the files cobertura-maven-plugin-2.5-Jaspersoft.pom and cobertura-maven-plugin-2.5-Jaspersoft.jar downloaded from the repository http://dev.quadras.co.id/archiva/browse/org.codehaus.mojo/cobertura-maven-plugin/2.5-Jaspersoft Now the result is ... BUILD SUCCESSFUL Total time: 4 minutes 31 seconds