[ERROR] Failed to execute goal org.apache.karaf.tooling:features-maven-plugin:2.1.99-SNAPSHOT:add-features-to-repo (add-features-to-repo) on project apache-karaf: Can't resolve bundle mvn:org.apache.sshd/sshd-core/0.5.0: Could not transfer artifact mvn:org.apache.sshd:sshd-core:jar:0.5.0 from servicemix (http://svn.apache.org/repos/asf/servicemix/m2-repo): NullPointerException [ERROR] mvn:org.apache.sshd:sshd-core:jar:0.5.0 [ERROR] [ERROR] from the specified remote repositories: [ERROR] apache-snapshots (http://repository.apache.org/content/groups/snapshots-group, releases=false, snapshots=true), [ERROR] servicemix (http://svn.apache.org/repos/asf/servicemix/m2-repo, releases=true, snapshots=false), [ERROR] sonatype (http://repository.sonatype.org/content/groups/sonatype-public-grid, releases=false, snapshots=true), [ERROR] fusesource.snapshots (http://repo.fusesource.com/nexus/content/repositories/snapshots, releases=false, snapshots=true), [ERROR] ops4j.sonatype.snapshots.deploy (https://oss.sonatype.org/content/repositories/ops4j-snapshots/, releases=false, snapshots=true), [ERROR] apache.snapshots (http://repository.apache.org/snapshots, releases=false, snapshots=true), [ERROR] central (http://repo1.maven.org/maven2, releases=true, snapshots=false) [ERROR] -> [Help 1] org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.karaf.tooling:features-maven-plugin:2.1.99-SNAPSHOT:add-features-to-repo (add-features-to-repo) on project apache-karaf: Can't resolve bundle mvn:org.apache.sshd/sshd-core/0.5.0 at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:199) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:140) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59) at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:314) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:151) at org.apache.maven.cli.MavenCli.execute(MavenCli.java:445) at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:168) at org.apache.maven.cli.MavenCli.main(MavenCli.java:132) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) 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: org.apache.maven.plugin.MojoFailureException: Can't resolve bundle mvn:org.apache.sshd/sshd-core/0.5.0 at org.apache.karaf.tooling.features.AddFeaturesToRepoMojo.resolveBundle(AddFeaturesToRepoMojo.java:255) at org.apache.karaf.tooling.features.AddFeaturesToRepoMojo.execute(AddFeaturesToRepoMojo.java:200) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:107) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:195) ... 19 more Caused by: org.apache.maven.artifact.resolver.ArtifactResolutionException: Could not transfer artifact mvn:org.apache.sshd:sshd-core:jar:0.5.0 from servicemix (http://svn.apache.org/repos/asf/servicemix/m2-repo): NullPointerException mvn:org.apache.sshd:sshd-core:jar:0.5.0 from the specified remote repositories: apache-snapshots (http://repository.apache.org/content/groups/snapshots-group, releases=false, snapshots=true), servicemix (http://svn.apache.org/repos/asf/servicemix/m2-repo, releases=true, snapshots=false), sonatype (http://repository.sonatype.org/content/groups/sonatype-public-grid, releases=false, snapshots=true), fusesource.snapshots (http://repo.fusesource.com/nexus/content/repositories/snapshots, releases=false, snapshots=true), ops4j.sonatype.snapshots.deploy (https://oss.sonatype.org/content/repositories/ops4j-snapshots/, releases=false, snapshots=true), apache.snapshots (http://repository.apache.org/snapshots, releases=false, snapshots=true), central (http://repo1.maven.org/maven2, releases=true, snapshots=false) at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:239) at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:173) at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:541) at org.apache.karaf.tooling.features.AddFeaturesToRepoMojo.resolveBundle(AddFeaturesToRepoMojo.java:247) ... 22 more Caused by: org.sonatype.aether.resolution.ArtifactResolutionException: Could not transfer artifact mvn:org.apache.sshd:sshd-core:jar:0.5.0 from servicemix (http://svn.apache.org/repos/asf/servicemix/m2-repo): NullPointerException at org.sonatype.aether.impl.internal.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:488) at org.sonatype.aether.impl.internal.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:190) at org.sonatype.aether.impl.internal.DefaultRepositorySystem.resolveArtifact(DefaultRepositorySystem.java:250) at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:229) ... 25 more Caused by: org.sonatype.aether.transfer.ArtifactTransferException: Could not transfer artifact mvn:org.apache.sshd:sshd-core:jar:0.5.0 from servicemix (http://svn.apache.org/repos/asf/servicemix/m2-repo): NullPointerException at org.sonatype.aether.connector.wagon.WagonRepositoryConnector$4.wrap(WagonRepositoryConnector.java:858) at org.sonatype.aether.connector.wagon.WagonRepositoryConnector$4.wrap(WagonRepositoryConnector.java:849) at org.sonatype.aether.connector.wagon.WagonRepositoryConnector$GetTask.flush(WagonRepositoryConnector.java:602) at org.sonatype.aether.connector.wagon.WagonRepositoryConnector$GetTask.flush(WagonRepositoryConnector.java:596) at org.sonatype.aether.connector.wagon.WagonRepositoryConnector.get(WagonRepositoryConnector.java:355) at org.sonatype.aether.impl.internal.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:407) ... 28 more Caused by: java.lang.NullPointerException at org.apache.maven.wagon.providers.http.LightweightHttpWagon.buildUrl(LightweightHttpWagon.java:88) at org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(LightweightHttpWagon.java:104) at org.apache.maven.wagon.StreamWagon.getInputStream(StreamWagon.java:116) at org.apache.maven.wagon.StreamWagon.getIfNewer(StreamWagon.java:88) at org.apache.maven.wagon.StreamWagon.get(StreamWagon.java:61) at org.sonatype.aether.connector.wagon.WagonRepositoryConnector$GetTask.run(WagonRepositoryConnector.java:511) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:680) [ERROR] [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/MojoFailureException [ERROR] [ERROR] After correcting the problems, you can resume the build with the command [ERROR] mvn -rf :apache-karaf