m2eプラグインのエラーと対策
何かの拍子でMavenプロジェクトでエラーが発生するようになりました。
Eclipseを起動する度にエラー・ログに以下のような内容がバラバラと出力されました。
!MESSAGE バンドル org.eclipse.m2e.core (965) を自動的に有効化している間にエラーが発生しました。 !STACK 0 org.osgi.framework.BundleException: バンドル org.eclipse.m2e.core の org.eclipse.m2e.core.internal.MavenPluginActivator.start() での例外。 at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:734) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683) at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381) at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:300) at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:440) at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263) at org.eclipse.core.runtime.internal.adaptor.eclipseLazyStarter.postFindLocalClass(eclipseLazyStarter.java:107) at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:469) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216) at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:395) at org.eclipse.osgi.internal.loader.SingleSourcePackage.loadClass(SingleSourcePackage.java:35) at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:461) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at org.eclipse.m2e.jdt.MavenJdtPlugin.start(MavenJdtPlugin.java:90) at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683) at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381) at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:300) at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:440) at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263) at org.eclipse.core.runtime.internal.adaptor.eclipseLazyStarter.postFindLocalClass(eclipseLazyStarter.java:107) at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:469) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216) at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:395) at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:464) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:340) at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229) at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1212) at org.eclipse.core.internal.registry.osgi.RegistryStrategyosgi.createExecutableExtension(RegistryStrategyosgi.java:174) at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905) at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243) at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55) at org.eclipse.jdt.core.JavaCore.computeClasspathContainerInitializer(JavaCore.java:3175) at org.eclipse.jdt.core.JavaCore.getClasspathContainerInitializer(JavaCore.java:3151) at org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2824) at org.eclipse.jdt.internal.core.JavaModelManager$11.run(JavaModelManager.java:2749) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344) at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2789) at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1873) at org.eclipse.jdt.core.JavaCore.initializeAfterLoad(JavaCore.java:3886) at org.eclipse.jdt.internal.ui.InitializeAfterLoadJob$RealJob.run(InitializeAfterLoadJob.java:36) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53) Caused by: java.lang.NoClassDefFoundError: com/google/inject/internal/util/$ImmutableList at com.google.inject.internal.Errors.(Errors.java:642) at com.google.inject.internal.InternalInjectorCreator. (InternalInjectorCreator.java:62) at com.google.inject.Guice.createInjector(Guice.java:94) at com.google.inject.Guice.createInjector(Guice.java:71) at com.google.inject.Guice.createInjector(Guice.java:61) at org.codehaus.plexus.DefaultPlexusContainer.addPlexusInjector(DefaultPlexusContainer.java:470) at org.codehaus.plexus.DefaultPlexusContainer. (DefaultPlexusContainer.java:196) at org.codehaus.plexus.DefaultPlexusContainer. (DefaultPlexusContainer.java:160) at org.eclipse.m2e.core.internal.MavenPluginActivator.start(MavenPluginActivator.java:182) at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702) ... 50 more Caused by: java.lang.ClassNotFoundException: com.google.inject.internal.util.$ImmutableList at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:501) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) ... 62 more Root exception: java.lang.NoClassDefFoundError: com/google/inject/internal/util/$ImmutableList at com.google.inject.internal.Errors. (Errors.java:642) at com.google.inject.internal.InternalInjectorCreator. (InternalInjectorCreator.java:62) at com.google.inject.Guice.createInjector(Guice.java:94) at com.google.inject.Guice.createInjector(Guice.java:71) at com.google.inject.Guice.createInjector(Guice.java:61) at org.codehaus.plexus.DefaultPlexusContainer.addPlexusInjector(DefaultPlexusContainer.java:470) at org.codehaus.plexus.DefaultPlexusContainer. (DefaultPlexusContainer.java:196) at org.codehaus.plexus.DefaultPlexusContainer. (DefaultPlexusContainer.java:160) at org.eclipse.m2e.core.internal.MavenPluginActivator.start(MavenPluginActivator.java:182) at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683) at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381) at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:300) at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:440) at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263) at org.eclipse.core.runtime.internal.adaptor.eclipseLazyStarter.postFindLocalClass(eclipseLazyStarter.java:107) at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:469) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216) at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:395) at org.eclipse.osgi.internal.loader.SingleSourcePackage.loadClass(SingleSourcePackage.java:35) at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:461) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at org.eclipse.m2e.jdt.MavenJdtPlugin.start(MavenJdtPlugin.java:90) at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683) at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381) at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:300) at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:440) at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263) at org.eclipse.core.runtime.internal.adaptor.eclipseLazyStarter.postFindLocalClass(eclipseLazyStarter.java:107) at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:469) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216) at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:395) at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:464) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:340) at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229) at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1212) at org.eclipse.core.internal.registry.osgi.RegistryStrategyosgi.createExecutableExtension(RegistryStrategyosgi.java:174) at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905) at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243) at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55) at org.eclipse.jdt.core.JavaCore.computeClasspathContainerInitializer(JavaCore.java:3175) at org.eclipse.jdt.core.JavaCore.getClasspathContainerInitializer(JavaCore.java:3151) at org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2824) at org.eclipse.jdt.internal.core.JavaModelManager$11.run(JavaModelManager.java:2749) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344) at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2789) at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1873) at org.eclipse.jdt.core.JavaCore.initializeAfterLoad(JavaCore.java:3886) at org.eclipse.jdt.internal.ui.InitializeAfterLoadJob$RealJob.run(InitializeAfterLoadJob.java:36) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53) Caused by: java.lang.ClassNotFoundException: com.google.inject.internal.util.$ImmutableList at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:501) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) ... 62 more
他にもこんなエラー・ログが。。
!MESSAGE ビルダー 'org.eclipse.m2e.core.maven2Builder' のインスタンスの作成でエラーが発生しました。 !STACK 1 org.eclipse.core.runtime.CoreException: プラグイン org.eclipse.m2e.core はクラス org.eclipse.m2e.core.internal.builder.MavenBuilder をロードできませんでした。 at org.eclipse.core.internal.registry.osgi.RegistryStrategyosgi.throwException(RegistryStrategyosgi.java:194) at org.eclipse.core.internal.registry.osgi.RegistryStrategyosgi.createExecutableExtension(RegistryStrategyosgi.java:176) at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905) at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243) at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55) at org.eclipse.core.internal.events.BuildManager.instantiateBuilder(BuildManager.java:896) at org.eclipse.core.internal.events.BuildManager.initializeBuilder(BuildManager.java:849) at org.eclipse.core.internal.events.BuildManager.getBuilder(BuildManager.java:538) at org.eclipse.core.internal.events.BuildManager.getBuilder(BuildManager.java:567) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:237) at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295) at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351) at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374) at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143) at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53) Caused by: org.eclipse.core.runtime.internal.adaptor.eclipseLazyStarter$TerminatingClassNotFoundException: バンドル org.eclipse.m2e.core (965) を自動的に有効化している間にエラーが発生しました。 at org.eclipse.core.runtime.internal.adaptor.eclipseLazyStarter.postFindLocalClass(eclipseLazyStarter.java:122) at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:469) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216) at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:395) at org.eclipse.osgi.internal.loader.SingleSourcePackage.loadClass(SingleSourcePackage.java:35) at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:461) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at org.eclipse.m2e.jdt.MavenJdtPlugin.start(MavenJdtPlugin.java:90) at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683) at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381) at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:300) at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:440) at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263) at org.eclipse.core.runtime.internal.adaptor.eclipseLazyStarter.postFindLocalClass(eclipseLazyStarter.java:107) at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:469) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216) at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:395) at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:464) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:340) at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229) at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1212) at org.eclipse.core.internal.registry.osgi.RegistryStrategyosgi.createExecutableExtension(RegistryStrategyosgi.java:174) at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905) at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243) at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55) at org.eclipse.jdt.core.JavaCore.computeClasspathContainerInitializer(JavaCore.java:3175) at org.eclipse.jdt.core.JavaCore.getClasspathContainerInitializer(JavaCore.java:3151) at org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2824) at org.eclipse.jdt.internal.core.JavaModelManager$11.run(JavaModelManager.java:2749) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344) at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2789) at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1873) at org.eclipse.jdt.core.JavaCore.initializeAfterLoad(JavaCore.java:3886) at org.eclipse.jdt.internal.ui.InitializeAfterLoadJob$RealJob.run(InitializeAfterLoadJob.java:36) ... 1 more Caused by: org.osgi.framework.BundleException: バンドル org.eclipse.m2e.core の org.eclipse.m2e.core.internal.MavenPluginActivator.start() での例外。 at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:734) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683) at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381) at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:300) at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:440) at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263) at org.eclipse.core.runtime.internal.adaptor.eclipseLazyStarter.postFindLocalClass(eclipseLazyStarter.java:107) ... 44 more Caused by: java.lang.NoClassDefFoundError: com/google/inject/internal/util/$ImmutableList at com.google.inject.internal.Errors.(Errors.java:642) at com.google.inject.internal.InternalInjectorCreator. (InternalInjectorCreator.java:62) at com.google.inject.Guice.createInjector(Guice.java:94) at com.google.inject.Guice.createInjector(Guice.java:71) at com.google.inject.Guice.createInjector(Guice.java:61) at org.codehaus.plexus.DefaultPlexusContainer.addPlexusInjector(DefaultPlexusContainer.java:470) at org.codehaus.plexus.DefaultPlexusContainer. (DefaultPlexusContainer.java:196) at org.codehaus.plexus.DefaultPlexusContainer. (DefaultPlexusContainer.java:160) at org.eclipse.m2e.core.internal.MavenPluginActivator.start(MavenPluginActivator.java:182) at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702) ... 50 more Caused by: java.lang.ClassNotFoundException: com.google.inject.internal.util.$ImmutableList at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:501) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) ... 62 more
特にMavenプラグインを弄ったわけでもないのに、クラスが見つからない的なエラーが収まらない感じ。
何かの操作でMavenプラグイン関連のjarのクラスパスが外れたのかな？という憶測で
とりあえず以下の操作を実施したところ、問題なく動作するようになりました。
[ヘルプ] --> [更新の確認] --> 全プラグインを更新 --> eclipseを再起動
