You are attempting to do a Tycho build which to my knowledge will not work in offline mode. You can do as Ron suggests and use a repository manager, or you might want to ask on the Tycho users list for possible work arounds:
https://dev.eclipse.org/mailman/listinfo/tycho-user > On Jan 28, 2016, at 3:54 PM, Thibault, Daniel > <daniel.thiba...@drdc-rddc.gc.ca> wrote: > > I have these two projects that need to be compiled offline. I thought I > would first compile them on-line and then transplant the ~/.m2/repository to > the offline system. However, something isn't quite right. I'm using Apache > Maven 3.3.9 and Java 1.8.0_45. > > The two projects (when run with 'mvn --offline') both give a failure along > the lines of: > > [INFO] Adding repository http://download.eclipse.org/tools/cdt/releases/8.8 > [ERROR] Failed to resolve target definition <...>.target: Failed to load p2 > metadata repository from location > http://download.eclipse.org/tools/cdt/releases/8.8/: Repository system is > offline and no local cache available for > http://download.eclipse.org/tools/cdt/releases/8.8 -> [Help 1] > > Isn't the p2 cache in ~/.m2/repository/p2 ? > > Strangely, the two projects behave differently. > > For one, building offline fails as described above while building online > fetches 15 compositeContent.xml, content.jar, content.xml.xz and p2.index > from download.eclipse.org before using the cache and completing normally. > > For the other, the first offline run caused a Java exception (same error as > above, somehow not handled). I then ran it online, successfully (same > behaviour as the other project). But running it offline now succeeds as well! > > What is the established procedure for setting up the m2 and p2 caches in > order to ensure maven builds succeed offline? > > Daniel U. Thibault, M.Sc.² > > Informaticien scientifique, CME-PSC, Centre de recherches de Valcartier > Recherche et développement pour la défense Canada / Gouvernement du Canada > daniel.thiba...@drdc-rddc.gc.ca<mailto:daniel.thiba...@drdc-rddc.gc.ca> / > Tél: 418-844-4000x4245 Téléc: 418-844-4538 > daniel.thiba...@forces.gc.ca<mailto:daniel.thiba...@forces.gc.ca> / Tél: > 418-844-4000x4245 Téléc: 418-844-4538 > > Computer Scientist, MCCS-SPC, Valcartier Research Centre > Defence Research and Development Canada / Government of Canada > daniel.thiba...@drdc-rddc.gc.ca<mailto:daniel.thiba...@drdc-rddc.gc.ca> / > Tel: 418-844-4000x4245 Fax: 418-844-4538 > daniel.thiba...@forces.gc.ca<mailto:daniel.thiba...@forces.gc.ca> / Tel: > 418-844-4000x4245 Fax: 418-844-4538 > > DRDC is an agency of the Department of National Defence / RDDC est une agence > du ministère de la Défense nationale > Thanks, Jason ---------------------------------------------------------- Jason van Zyl Founder, Takari and Apache Maven http://twitter.com/jvanzyl http://twitter.com/takari_io --------------------------------------------------------- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@maven.apache.org For additional commands, e-mail: users-h...@maven.apache.org
