$ mvn compile war:war
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for ixsystems:ixsystems-registration:war:1.0-SNAPSHOT
[WARNING] The expression ${artifactId} is deprecated. Please use ${project.artifactId} instead.
[WARNING] The expression ${artifactId} is deprecated. Please use ${project.artifactId} instead.
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building iXSystems Portal Products and Services Registration 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.267s
[INFO] Finished at: Wed Jun 29 12:38:16 EST 2011
[INFO] Final Memory: 5M/88M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project ixsystems-registration: Could not resolve dependencies for project ixsystems:ixsystems-registration:war:1.0-SNAPSHOT: The following artifacts could not be resolved: com.liferay.portal:util-java:jar:5.2.8, com.liferay.portal:util-bridges:jar:5.2.8, com.liferay.portal:portal-kernel:jar:5.2.8, com.liferay.portal:portal-impl:jar:5.2.8, com.liferay.portal:portal-service:jar:5.2.8: Failure to find com.liferay.portal:util-java:jar:5.2.8 in
http://repo1.maven.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced -> [Help 1]
[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/DependencyResolutionException