With command: mvn clean install sakai:deploy -Dmaven.tomcat.home=/sakai0/tomcat -e [INFO] Error stacktraces are turned on. [INFO] Scanning for projects... [ERROR] The build could not read 1 project -> [Help 1] org.apache.maven.project.ProjectBuildingException: Some problems were encountered while processing the POMs: [FATAL] Non-resolvable parent POM: Failure to find org.sakaiproject:master:pom:11-SNAPSHOT in http://source.sakaiproject.org/maven2-snapshots was cached in the local repository, resolution will not be reattempted until the update interval of sakai-maven2-snapshots has elapsed or updates are forced and 'parent.relativePath' points at wrong local POM @ line 8, column 13 at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:363) at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:636) at org.apache.maven.DefaultMaven.getProjectsForMavenReactor(DefaultMaven.java:585) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:234) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156) 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:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415) at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356) [ERROR] [ERROR] The project org.sakaiproject.bbb:bbb:11-SNAPSHOT (/sakai0/bigbluebutton-sakai/bbb-tool/pom.xml) has 1 error [ERROR] Non-resolvable parent POM: Failure to find org.sakaiproject:master:pom:11-SNAPSHOT in http://source.sakaiproject.org/maven2-snapshots was cached in the local repository, resolution will not be reattempted until the update interval of sakai-maven2-snapshots has elapsed or updates are forced and 'parent.relativePath' points at wrong local POM @ line 8, column 13 -> [Help 2] org.apache.maven.model.resolution.UnresolvableModelException: Failure to find org.sakaiproject:master:pom:11-SNAPSHOT in http://source.sakaiproject.org/maven2-snapshots was cached in the local repository, resolution will not be reattempted until the update interval of sakai-maven2-snapshots has elapsed or updates are forced at org.apache.maven.project.ProjectModelResolver.resolveModel(ProjectModelResolver.java:159) at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally(DefaultModelBuilder.java:813) at org.apache.maven.model.building.DefaultModelBuilder.readParent(DefaultModelBuilder.java:664) at org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:310) at org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:232) at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:410) at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:379) at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:343) at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:636) at org.apache.maven.DefaultMaven.getProjectsForMavenReactor(DefaultMaven.java:585) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:234) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156) 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:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415) at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356) Caused by: org.sonatype.aether.resolution.ArtifactResolutionException: Failure to find org.sakaiproject:master:pom:11-SNAPSHOT in http://source.sakaiproject.org/maven2-snapshots was cached in the local repository, resolution will not be reattempted until the update interval of sakai-maven2-snapshots 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.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:193) at org.sonatype.aether.impl.internal.DefaultRepositorySystem.resolveArtifact(DefaultRepositorySystem.java:286) at org.apache.maven.project.ProjectModelResolver.resolveModel(ProjectModelResolver.java:155) ... 22 more Caused by: org.sonatype.aether.transfer.ArtifactNotFoundException: Failure to find org.sakaiproject:master:pom:11-SNAPSHOT in http://source.sakaiproject.org/maven2-snapshots was cached in the local repository, resolution will not be reattempted until the update interval of sakai-maven2-snapshots 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/ProjectBuildingException [ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException