我遵循以下步骤：
此步骤导致：
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Error building POM (may not be this project's POM).
Project ID: org.eclipse.paho:java-parent
Reason: Cannot find layout implementation corresponding to: 'p2' for remote repository with id: 'eclipse-kepler'. for project org.eclipse.paho:java-parent
[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.reactor.MavenExecutionException: Cannot find layout implementation corresponding to: 'p2' for remote repository with id: 'eclipse-kepler'. for project org.eclipse.paho:java-parent
at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:404)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:272)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
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:483)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Caused by: org.apache.maven.project.ProjectBuildingException: Cannot find layout implementation corresponding to: 'p2' for remote repository with id: 'eclipse-kepler'. for project org.eclipse.paho:java-parent
at org.apache.maven.project.DefaultMavenProjectBuilder.buildArtifactRepositories(DefaultMavenProjectBuilder.java:949)
at org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:1206)
at org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:823)
at org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProjectBuilder.java:508)
at org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:200)
at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:604)
at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:487)
at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:391)
... 12 more
Caused by: org.apache.maven.artifact.InvalidRepositoryException: Cannot find layout implementation corresponding to: 'p2' for remote repository with id: 'eclipse-kepler'.
at org.apache.maven.project.ProjectUtils.getRepositoryLayout(ProjectUtils.java:157)
at org.apache.maven.project.ProjectUtils.buildArtifactRepository(ProjectUtils.java:110)
at org.apache.maven.project.ProjectUtils.buildArtifactRepositories(ProjectUtils.java:56)
at org.apache.maven.project.DefaultMavenProjectBuilder.buildArtifactRepositories(DefaultMavenProjectBuilder.java:942)
... 19 more
Caused by: org.codehaus.plexus.component.repository.exception.ComponentLookupException: Component descriptor cannot be found in the component repository: org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayoutp2.
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:323)
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:440)
at org.apache.maven.project.ProjectUtils.getRepositoryLayout(ProjectUtils.java:153)
... 22 more
[INFO] ------------------------------------------------------------------------
[INFO] Total time: < 1 second
[INFO] Finished at: Sat Nov 22 11:37:37 CET 2014
[INFO] Final Memory: 2M/136M
[INFO] ------------------------------------------------------------------------
如果删除＆＃39; eclipse-kepler＆＃39; pom.xml中的reposiroty会出现其他类型的错误。
+ Error stacktraces are turned on.
[INFO] Scanning for projects...
[INFO] Reactor build order:
[INFO] Eclipse Paho
[INFO] Unnamed - org.eclipse.paho:org.eclipse.paho.client.mqttv3:eclipse-plugin:1.0.1
[INFO] Unnamed - org.eclipse.paho:org.eclipse.paho.client.mqttv3.test:jar:1.0.1
[INFO] Unnamed - org.eclipse.paho:org.eclipse.paho.client.eclipse.feature:eclipse-feature:1.0.1
[INFO] Unnamed - org.eclipse.paho:org.eclipse.paho.client.eclipse.view:eclipse-plugin:1.0.1
[INFO] Paho P2 Repository
[INFO] Unnamed - org.eclipse.paho:org.eclipse.paho.mqtt.utility:jar:1.0.1
[INFO] Unnamed - org.eclipse.paho:org.eclipse.paho.ui:pom:1.0.1
[INFO] Unnamed - org.eclipse.paho:org.eclipse.paho.ui.core:eclipse-plugin:1.0.1
[INFO] Unnamed - org.eclipse.paho:org.eclipse.paho.ui.app:eclipse-repository:1.0.1
[INFO] Unnamed - org.eclipse.paho:org.eclipse.paho.ui.plugin:pom:1.0.1
[INFO] Eclipse Paho - MQTT Android Service
[INFO] Unnamed - org.eclipse.paho:org.eclipse.paho.android.service:jar:1.0.1
[INFO] ------------------------------------------------------------------------
[INFO] Building Eclipse Paho
[INFO] task-segment: [package]
[INFO] ------------------------------------------------------------------------
[INFO] [site:attach-descriptor {execution: default-attach-descriptor}]
[INFO] ------------------------------------------------------------------------
[INFO] Building Unnamed - org.eclipse.paho:org.eclipse.paho.client.mqttv3:eclipse-plugin:1.0.1
[INFO] task-segment: [package]
[INFO] ------------------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Internal error in the plugin manager executing goal 'org.eclipse.tycho:tycho-packaging-plugin:0.20.0:build-qualifier': Unable to find the mojo 'build-qualifier' (or one of its required components) in the plugin 'org.eclipse.tycho:tycho-packaging-plugin'
Component descriptor cannot be found in the component repository: org.codehaus.plexus.logging.Logger.
[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.lifecycle.LifecycleExecutionException: Internal error in the plugin manager executing goal 'org.eclipse.tycho:tycho-packaging-plugin:0.20.0:build-qualifier': Unable to find the mojo 'build-qualifier' (or one of its required components) in the plugin 'org.eclipse.tycho:tycho-packaging-plugin'
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:698)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
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:483)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Caused by: org.apache.maven.plugin.PluginManagerException: Unable to find the mojo 'build-qualifier' (or one of its required components) in the plugin 'org.eclipse.tycho:tycho-packaging-plugin'
at org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:674)
at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:468)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
... 17 more
Caused by: org.codehaus.plexus.component.repository.exception.ComponentLookupException: Unable to lookup component 'org.apache.maven.plugin.Mojoorg.eclipse.tycho:tycho-packaging-plugin:0.20.0:build-qualifier', it could not be started
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:339)
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:440)
at org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:652)
... 19 more
Caused by: org.codehaus.plexus.component.repository.exception.ComponentLifecycleException: Error starting component
at org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:109)
at org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:95)
at org.codehaus.plexus.component.manager.PerLookupComponentManager.getComponent(PerLookupComponentManager.java:48)
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
... 21 more
Caused by: org.codehaus.plexus.personality.plexus.lifecycle.phase.PhaseExecutionException: Error composing component
at org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:33)
at org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:101)
at org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:105)
... 24 more
Caused by: org.codehaus.plexus.component.composition.CompositionException: Composition failed of field projectTypes in object of type org.eclipse.tycho.buildversion.BuildQualifierMojo because the requirement ComponentRequirement{role='org.eclipse.tycho.core.TychoProject', roleHint='null', fieldName='projectTypes'} was missing
at org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentComposer.java:154)
at org.codehaus.plexus.component.composition.FieldComponentComposer.assembleComponent(FieldComponentComposer.java:73)
at org.codehaus.plexus.component.composition.DefaultComponentComposerManager.assembleComponent(DefaultComponentComposerManager.java:68)
at org.codehaus.plexus.DefaultPlexusContainer.composeComponent(DefaultPlexusContainer.java:1486)
at org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:29)
... 26 more
Caused by: org.codehaus.plexus.component.repository.exception.ComponentLookupException: Unable to lookup component 'org.eclipse.tycho.core.TychoProjecteclipse-test-plugin', it could not be started
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:339)
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:440)
at org.codehaus.plexus.DefaultPlexusContainer.lookupMap(DefaultPlexusContainer.java:390)
at org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentComposer.java:103)
... 30 more
Caused by: org.codehaus.plexus.component.repository.exception.ComponentLifecycleException: Error starting component
at org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:109)
at org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:95)
at org.codehaus.plexus.component.manager.ClassicSingletonComponentManager.getComponent(ClassicSingletonComponentManager.java:92)
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
... 33 more
Caused by: org.codehaus.plexus.personality.plexus.lifecycle.phase.PhaseExecutionException: Error composing component
at org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:33)
at org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:101)
at org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:105)
... 36 more
Caused by: org.codehaus.plexus.component.composition.CompositionException: Composition failed of field resolver in object of type org.eclipse.tycho.core.osgitools.OsgiTestBundleProject because the requirement ComponentRequirement{role='org.eclipse.tycho.core.osgitools.EquinoxResolver', roleHint='null', fieldName='resolver'} was missing
at org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentComposer.java:154)
at org.codehaus.plexus.component.composition.FieldComponentComposer.assembleComponent(FieldComponentComposer.java:73)
at org.codehaus.plexus.component.composition.DefaultComponentComposerManager.assembleComponent(DefaultComponentComposerManager.java:68)
at org.codehaus.plexus.DefaultPlexusContainer.composeComponent(DefaultPlexusContainer.java:1486)
at org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:29)
... 38 more
Caused by: org.codehaus.plexus.component.repository.exception.ComponentLookupException: Unable to lookup component 'org.eclipse.tycho.core.osgitools.EquinoxResolver', it could not be started
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:339)
at org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentComposer.java:129)
... 42 more
Caused by: org.codehaus.plexus.component.repository.exception.ComponentLifecycleException: Error starting component
at org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:109)
at org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:95)
at org.codehaus.plexus.component.manager.ClassicSingletonComponentManager.getComponent(ClassicSingletonComponentManager.java:92)
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
... 43 more
Caused by: org.codehaus.plexus.personality.plexus.lifecycle.phase.PhaseExecutionException: Error composing component
at org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:33)
at org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:101)
at org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:105)
... 46 more
Caused by: org.codehaus.plexus.component.composition.CompositionException: Composition failed of field logger in object of type org.eclipse.tycho.core.osgitools.EquinoxResolver because the requirement ComponentRequirement{role='org.codehaus.plexus.logging.Logger', roleHint='null', fieldName='logger'} was missing
at org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentComposer.java:154)
at org.codehaus.plexus.component.composition.FieldComponentComposer.assembleComponent(FieldComponentComposer.java:73)
at org.codehaus.plexus.component.composition.DefaultComponentComposerManager.assembleComponent(DefaultComponentComposerManager.java:68)
at org.codehaus.plexus.DefaultPlexusContainer.composeComponent(DefaultPlexusContainer.java:1486)
at org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:29)
... 48 more
Caused by: org.codehaus.plexus.component.repository.exception.ComponentLookupException: Component descriptor cannot be found in the component repository: org.codehaus.plexus.logging.Logger.
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:323)
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:312)
at org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentComposer.java:129)
... 52 more
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1 second
[INFO] Finished at: Sat Nov 22 11:45:51 CET 2014
[INFO] Final Memory: 20M/265M
[INFO] ------------------------------------------------------------------------
有人能帮助我吗？
答案 0 :(得分：3)
您可以尝试将maven从2.x升级到3.x.
答案 1 :(得分：1)
请注意，在Ubuntu上，＆＃39; maven＆＃39;包装比“maven2”更新。包。以下命令为我修复了它：
sudo apt-get remove maven2
sudo apt-get install maven