[ERROR] Cannot resolve project dependencies:
[ERROR]   Software being installed: org.jboss.tools.common.mylyn.feature.feature.group 3.3.0.qualifier
[ERROR]   Missing requirement: org.jboss.tools.common.mylyn.feature.feature.group 3.3.0.qualifier requires 'org.mortbay.jetty.server [6.1.0,6.1.1)' but it could not be found
[ERROR] 
[ERROR] Internal error: java.lang.RuntimeException: "No solution found because the problem is unsatisfiable.": ["Unable to satisfy dependency from org.jboss.tools.common.mylyn.feature.feature.group 3.3.0.qualifier to org.mortbay.jetty.server [6.1.0,6.1.1).", "Unable to satisfy dependency from org.jboss.tools.common.mylyn.feature.feature.group 3.3.0.qualifier to org.mortbay.jetty.util [6.1.0,6.1.1).", "No solution found because the problem is unsatisfiable."] -> [Help 1]
org.apache.maven.InternalErrorException: Internal error: java.lang.RuntimeException: "No solution found because the problem is unsatisfiable.": ["Unable to satisfy dependency from org.jboss.tools.common.mylyn.feature.feature.group 3.3.0.qualifier to org.mortbay.jetty.server [6.1.0,6.1.1).", "Unable to satisfy dependency from org.jboss.tools.common.mylyn.feature.feature.group 3.3.0.qualifier to org.mortbay.jetty.util [6.1.0,6.1.1).", "No solution found because the problem is unsatisfiable."]
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:168)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: java.lang.RuntimeException: "No solution found because the problem is unsatisfiable.": ["Unable to satisfy dependency from org.jboss.tools.common.mylyn.feature.feature.group 3.3.0.qualifier to org.mortbay.jetty.server [6.1.0,6.1.1).", "Unable to satisfy dependency from org.jboss.tools.common.mylyn.feature.feature.group 3.3.0.qualifier to org.mortbay.jetty.util [6.1.0,6.1.1).", "No solution found because the problem is unsatisfiable."]
	at org.eclipse.tycho.p2.impl.resolver.AbstractResolutionStrategy.newResolutionException(AbstractResolutionStrategy.java:79)
	at org.eclipse.tycho.p2.impl.resolver.ProjectorResolutionStrategy.resolve(ProjectorResolutionStrategy.java:83)
	at org.eclipse.tycho.p2.impl.resolver.P2ResolverImpl.resolveProject(P2ResolverImpl.java:118)
	at org.eclipse.tycho.p2.impl.resolver.P2ResolverImpl.resolveProject(P2ResolverImpl.java:76)
	at org.eclipse.tycho.p2.resolver.P2TargetPlatformResolver.doResolvePlatform(P2TargetPlatformResolver.java:445)
	at org.eclipse.tycho.p2.resolver.P2TargetPlatformResolver.resolveDependencies(P2TargetPlatformResolver.java:422)
	at org.eclipse.tycho.core.resolver.DefaultTychoDependencyResolver.resolveProject(DefaultTychoDependencyResolver.java:98)
	at org.eclipse.tycho.core.maven.TychoMavenLifecycleParticipant.afterProjectsRead(TychoMavenLifecycleParticipant.java:61)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:273)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
	... 11 more
[ERROR] 
[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/InternalErrorException