Hi, I am following http://www.ovirt.org/Building_oVirt_engine tutorial to build oVirt-engine from source. when i do: $ mvn clean install -e [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building Extensions for GWT 3.2.0 [INFO] ------------------------------------------------------------------------ [WARNING] The POM for org.ovirt.engine.ui:genericapi:jar:3.2.0 is missing, no dependency information available [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary: [INFO] [INFO] oVirt Modules - ui ................................ SUCCESS [0.013s] [INFO] Extensions for GWT ................................ FAILURE [0.014s] [INFO] UI Utils Compatibility (for UICommon) ............. SKIPPED [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal on project gwt-extension: Could not resolve dependencies for project org.ovirt.engine.ui:gwt-extension:jar:3.2.0: Failure to find org.ovirt.engine.ui:genericapi:jar:3.2.0 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] org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal on project gwt-extension: Could not resolve dependencies for project org.ovirt.engine.ui:gwt-extension:jar:3.2.0: Failure to find org.ovirt.engine.ui:genericapi:jar:3.2.0 in http://repo1.maven.org/maven2was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:210) at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies(LifecycleDependencyResolver.java:117) at org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved(MojoExecutor.java:258) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:201) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145) 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:322) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:158) 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:601) 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.project.DependencyResolutionException: Could not resolve dependencies for project org.ovirt.engine.ui:gwt-extension:jar:3.2.0: Failure to find org.ovirt.engine.ui:genericapi:jar:3.2.0 in http://repo1.maven.org/maven2was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:189) at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:185) ... 22 more Caused by: org.sonatype.aether.resolution.DependencyResolutionException: Failure to find org.ovirt.engine.ui:genericapi:jar:3.2.0 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 at org.sonatype.aether.impl.internal.DefaultRepositorySystem.resolveDependencies(DefaultRepositorySystem.java:375) at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:183) ... 23 more Caused by: org.sonatype.aether.resolution.ArtifactResolutionException: Failure to find org.ovirt.engine.ui:genericapi:jar:3.2.0 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 at org.sonatype.aether.impl.internal.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:538) at org.sonatype.aether.impl.internal.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:216) at org.sonatype.aether.impl.internal.DefaultRepositorySystem.resolveDependencies(DefaultRepositorySystem.java:358) ... 24 more Caused by: org.sonatype.aether.transfer.ArtifactNotFoundException: Failure to find org.ovirt.engine.ui:genericapi:jar:3.2.0 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 at org.sonatype.aether.impl.internal.DefaultUpdateCheckManager.newException(DefaultUpdateCheckManager.java:230) at org.sonatype.aether.impl.internal.DefaultUpdateCheckManager.checkArtifact(DefaultUpdateCheckManager.java:204) at org.sonatype.aether.impl.internal.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:427) ... 26 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/DependencyResolutionExcepti... [ERROR] [ERROR] After correcting the problems, you can resume the build with the command [ERROR] mvn <goals> -rf :gwt-extension