Any chance you have a firewall or anti-virus scanner interfering with the connection?
On 18 January 2016 at 10:58, Steve Cohen <sco...@javactivity.org> wrote: > further info: Switching in Eclipse to use the command line installation > of Maven on my system, rather than the Embedded version default also makes > the problem go away. So the question appears to be: > What is wrong with the embedded Maven included in Luna. The working > Kepler version also uses its own embedded Maven, which does not have the > problem. > > > On 01/16/2016 12:08 PM, Steve Cohen wrote: > > Okay, that way (command line or Run As Maven - install) these errors do > not occur. But errors shown in Eclipse Luna persist. > > On 01/16/2016 11:18 AM, Manfred Moser wrote: > > Just try for a full build. That essentially tests the download of > dependencies. > > So in the project directory run e.g. > > mvn clean install -U > > And as a next step you can try the same in the IDE with Run As - Maven - > install > > Steve Cohen wrote on 2016-01-16 08:11: > > Please define "it". I have no idea of what the command line equivalent is > of whatever Eclipse is doing during its automatic build. > > On 01/15/2016 05:40 PM, Manfred Moser wrote: > > Does it work on the command line with -U ? > > Steve Cohen wrote on 2016-01-15 15:34: > > The same behavior is experienced with NEW Maven projects created with > Luna. They immediately show these errors. If Luna is closed and Kepler > opened on the same workspace, and Maven->Update run, the errors disappear. > > On 01/15/2016 05:20 PM, Steve Cohen wrote: > > I'd been working with Eclipse Kepler. I had several Maven projects > there. I connected to Maven Central through a corporate Nexus repository. > Everything worked just fine. > > Then I got Eclipse Luna and installed it. Using the SAME workspace, with > the same maven settings.xml that had the settings for the Nexus repository, > I find that all Maven projects show errors that cannot be resolved by > running Maven->Update. All mention something about connections being > refused by Maven Central. > > I closed Eclipse Luna and restarted Kepler on the same workspace. (I was > never running them simultaneously). The same errors appeared, but now > Maven->Update was successful in resolving them. > > I closed Kepler and restarted Luna on the same workspace. Once again, the > errors returned, and were not resolvable by Maven->Update. > > Here is one of the errors: > > CoreException: Could not get the value for parameter compilerId for plugin > execution default-compile: PluginResolutionException: Plugin > org.apache.maven.plugins:maven-compiler-plugin:3.1 or one of its > dependencies could not be resolved: The following artifacts could not be > resolved: org.apache.maven:maven-plugin-api:jar:2.0.9, > org.apache.maven:maven-artifact:jar:2.0.9: Failure to transfer > org.apache.maven:maven-plugin-api:jar:2.0.9 from > <http://mavencentral.it.whatever.com:8084/nexus/content/groups/whatever-public-group> > <http://mavencentral.it.whatever.com:8084/nexus/content/groups/whatever-public-group> > http://mavencentral.it.whatever.com:8084/nexus/content/groups/whatever-public-group > was > cached in the local repository, resolution will not be reattempted until > the update interval of nexus has elapsed or updates are forced. Original > error: Could not transfer artifact > org.apache.maven:maven-plugin-api:jar:2.0.9 from/to nexus ( > <http://mavencentral.it.whatever.com:8084/nexus/content/groups/whatever-public-group> > http://mavencentral.it.whatever.com:8084/nexus/content/groups/whatever-public-group): > Connection refused: connect > > What might the problem be? > > > _______________________________________________ > m2e-users mailing listm2e-us...@eclipse.org > To change your delivery options, retrieve your password, or unsubscribe from > this list, visithttps://dev.eclipse.org/mailman/listinfo/m2e-users > > > > _______________________________________________ > m2e-users mailing listm2e-us...@eclipse.org > To change your delivery options, retrieve your password, or unsubscribe from > this list, visithttps://dev.eclipse.org/mailman/listinfo/m2e-users > > > > _______________________________________________ > m2e-users mailing listm2e-us...@eclipse.org > To change your delivery options, retrieve your password, or unsubscribe from > this list, visithttps://dev.eclipse.org/mailman/listinfo/m2e-users > > > > > _______________________________________________ > m2e-users mailing listm2e-us...@eclipse.org > To change your delivery options, retrieve your password, or unsubscribe from > this list, visithttps://dev.eclipse.org/mailman/listinfo/m2e-users > > > > _______________________________________________ > m2e-users mailing list > m2e-users@eclipse.org > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://dev.eclipse.org/mailman/listinfo/m2e-users >
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