ubuntu下eclipse突然崩溃，解决办法
rm YOUR_WORKSPACE/.metadata/.plugins/org.eclipse.core.resources/.snap抛出的一场如下：
!SESSION 2013-09-30 16:56:04.146 -----------------------------------------------eclipse.buildId=4.3.0.I20130605-2000java.version=1.7.0_25java.vendor=Oracle CorporationBootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=zh_CNFramework arguments: -product org.eclipse.epp.package.jee.productCommand-line arguments: -os linux -ws gtk -arch x86_64 -product org.eclipse.epp.package.jee.product!ENTRY org.eclipse.core.resources 2 10035 2013-09-30 16:56:06.075!MESSAGE The workspace exited with unsaved changes in the previous session; refreshing workspace to recover changes.!ENTRY org.eclipse.equinox.preferences 4 2 2013-09-30 16:56:08.641!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.equinox.preferences".!STACK 0java.lang.ExceptionInInitializerErrorat org.eclipse.jdt.ui.PreferenceConstants.initializeDefaultValues(PreferenceConstants.java:3739)at org.eclipse.jdt.internal.ui.JavaUIPreferenceInitializer.initializeDefaultPreferences(JavaUIPreferenceInitializer.java:38)at org.eclipse.core.internal.preferences.PreferenceServiceRegistryHelper$1.run(PreferenceServiceRegistryHelper.java:300)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)at org.eclipse.core.internal.preferences.PreferenceServiceRegistryHelper.runInitializer(PreferenceServiceRegistryHelper.java:303)at org.eclipse.core.internal.preferences.PreferenceServiceRegistryHelper.applyRuntimeDefaults(PreferenceServiceRegistryHelper.java:131)at org.eclipse.core.internal.preferences.PreferencesService.applyRuntimeDefaults(PreferencesService.java:368)at org.eclipse.core.internal.preferences.DefaultPreferences.applyRuntimeDefaults(DefaultPreferences.java:221)at org.eclipse.core.internal.preferences.DefaultPreferences.load(DefaultPreferences.java:274)at org.eclipse.core.internal.preferences.EclipsePreferences.create(EclipsePreferences.java:409)at org.eclipse.core.internal.preferences.EclipsePreferences.internalNode(EclipsePreferences.java:670)at org.eclipse.core.internal.preferences.EclipsePreferences.node(EclipsePreferences.java:812)at org.eclipse.core.internal.preferences.AbstractScope.getNode(AbstractScope.java:38)at org.eclipse.core.runtime.preferences.DefaultScope.getNode(DefaultScope.java:76)at org.eclipse.ui.preferences.ScopedPreferenceStore.getDefaultPreferences(ScopedPreferenceStore.java:250)at org.eclipse.ui.preferences.ScopedPreferenceStore.getPreferenceNodes(ScopedPreferenceStore.java:285)at org.eclipse.ui.preferences.ScopedPreferenceStore.internalGet(ScopedPreferenceStore.java:475)at org.eclipse.ui.preferences.ScopedPreferenceStore.getBoolean(ScopedPreferenceStore.java:387)at org.eclipse.jdt.internal.ui.preferences.MembersOrderPreferenceCache.install(MembersOrderPreferenceCache.java:61)at org.eclipse.jdt.internal.ui.JavaPlugin.ensurePreferenceStoreBackwardsCompatibility(JavaPlugin.java:426)at org.eclipse.jdt.internal.ui.JavaPlugin.start(JavaPlugin.java:373)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:478)at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)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:357)at java.lang.Class.getDeclaredConstructors0(Native Method)at java.lang.Class.privateGetDeclaredConstructors(Class.java:2483)at java.lang.Class.getConstructor0(Class.java:2793)at java.lang.Class.newInstance(Class.java:345)at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:167)at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:679)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:478)at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)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:357)at org.hibernate.eclipse.jdt.ui.internal.HQLExpressionCompilerParticipant.isActive(HQLExpressionCompilerParticipant.java:56)at org.eclipse.jdt.internal.core.JavaModelManager$CompilationParticipants.getCompilationParticipants(JavaModelManager.java:339)at org.eclipse.jdt.internal.core.builder.JavaBuilder.initializeBuilder(JavaBuilder.java:587)at org.eclipse.jdt.internal.core.builder.JavaBuilder.build(JavaBuilder.java:167)at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:726)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)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.swt.SWTException: Invalid thread accessat org.eclipse.swt.SWT.error(SWT.java:4397)at org.eclipse.swt.SWT.error(SWT.java:4312)at org.eclipse.swt.SWT.error(SWT.java:4283)at org.eclipse.swt.widgets.Display.error(Display.java:1204)at org.eclipse.swt.widgets.Display.checkDevice(Display.java:759)at org.eclipse.swt.graphics.Device.getSystemFont(Device.java:547)at org.eclipse.jface.preference.PreferenceConverter.<clinit>(PreferenceConverter.java:84)... 75 more!ENTRY org.eclipse.osgi 4 0 2013-09-30 16:56:08.657!MESSAGE An error occurred while automatically activating bundle org.eclipse.jdt.ui (1007).!STACK 0org.osgi.framework.BundleException: Exception in org.eclipse.jdt.internal.ui.JavaPlugin.start() of bundle org.eclipse.jdt.ui.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:478)at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)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:357)at java.lang.Class.getDeclaredConstructors0(Native Method)at java.lang.Class.privateGetDeclaredConstructors(Class.java:2483)at java.lang.Class.getConstructor0(Class.java:2793)at java.lang.Class.newInstance(Class.java:345)at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:167)at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:679)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:478)at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)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:357)at org.hibernate.eclipse.jdt.ui.internal.HQLExpressionCompilerParticipant.isActive(HQLExpressionCompilerParticipant.java:56)at org.eclipse.jdt.internal.core.JavaModelManager$CompilationParticipants.getCompilationParticipants(JavaModelManager.java:339)at org.eclipse.jdt.internal.core.builder.JavaBuilder.initializeBuilder(JavaBuilder.java:587)at org.eclipse.jdt.internal.core.builder.JavaBuilder.build(JavaBuilder.java:167)at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:726)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)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.AssertionFailedException: null argument:at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:85)at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:73)at org.eclipse.jface.resource.FontRegistry.<init>(FontRegistry.java:283)at org.eclipse.jface.resource.FontRegistry.<init>(FontRegistry.java:308)at org.eclipse.jface.resource.JFaceResources.getFontRegistry(JFaceResources.java:342)at org.eclipse.jdt.internal.ui.JavaPlugin.ensurePreferenceStoreBackwardsCompatibility(JavaPlugin.java:448)at org.eclipse.jdt.internal.ui.JavaPlugin.start(JavaPlugin.java:373)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)... 51 moreRoot exception:org.eclipse.core.runtime.AssertionFailedException: null argument:at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:85)at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:73)at org.eclipse.jface.resource.FontRegistry.<init>(FontRegistry.java:283)at org.eclipse.jface.resource.FontRegistry.<init>(FontRegistry.java:308)at org.eclipse.jface.resource.JFaceResources.getFontRegistry(JFaceResources.java:342)at org.eclipse.jdt.internal.ui.JavaPlugin.ensurePreferenceStoreBackwardsCompatibility(JavaPlugin.java:448)at org.eclipse.jdt.internal.ui.JavaPlugin.start(JavaPlugin.java:373)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:478)at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)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:357)at java.lang.Class.getDeclaredConstructors0(Native Method)at java.lang.Class.privateGetDeclaredConstructors(Class.java:2483)at java.lang.Class.getConstructor0(Class.java:2793)at java.lang.Class.newInstance(Class.java:345)at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:167)at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:679)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:478)at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)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:357)at org.hibernate.eclipse.jdt.ui.internal.HQLExpressionCompilerParticipant.isActive(HQLExpressionCompilerParticipant.java:56)at org.eclipse.jdt.internal.core.JavaModelManager$CompilationParticipants.getCompilationParticipants(JavaModelManager.java:339)at org.eclipse.jdt.internal.core.builder.JavaBuilder.initializeBuilder(JavaBuilder.java:587)at org.eclipse.jdt.internal.core.builder.JavaBuilder.build(JavaBuilder.java:167)at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:726)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)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)!ENTRY org.eclipse.osgi 4 0 2013-09-30 16:56:08.660!MESSAGE An error occurred while automatically activating bundle org.hibernate.eclipse.console (1084).!STACK 0org.osgi.framework.BundleException: The activator org.hibernate.eclipse.console.HibernateConsolePlugin for bundle org.hibernate.eclipse.console is invalidat org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:172)at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:679)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:478)at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)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:357)at org.hibernate.eclipse.jdt.ui.internal.HQLExpressionCompilerParticipant.isActive(HQLExpressionCompilerParticipant.java:56)at org.eclipse.jdt.internal.core.JavaModelManager$CompilationParticipants.getCompilationParticipants(JavaModelManager.java:339)at org.eclipse.jdt.internal.core.builder.JavaBuilder.initializeBuilder(JavaBuilder.java:587)at org.eclipse.jdt.internal.core.builder.JavaBuilder.build(JavaBuilder.java:167)at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:726)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)Caused by: java.lang.NoClassDefFoundError: org/eclipse/jdt/ui/text/JavaTextToolsat java.lang.Class.getDeclaredConstructors0(Native Method)at java.lang.Class.privateGetDeclaredConstructors(Class.java:2483)at java.lang.Class.getConstructor0(Class.java:2793)at java.lang.Class.newInstance(Class.java:345)at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:167)... 31 moreCaused by: org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter$TerminatingClassNotFoundException: An error occurred while automatically activating bundle org.eclipse.jdt.ui (1007).at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:124)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:357)... 36 moreCaused by: org.osgi.framework.BundleException: Exception in org.eclipse.jdt.internal.ui.JavaPlugin.start() of bundle org.eclipse.jdt.ui.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:478)at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)... 45 moreCaused by: org.eclipse.core.runtime.AssertionFailedException: null argument:at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:85)at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:73)at org.eclipse.jface.resource.FontRegistry.<init>(FontRegistry.java:283)at org.eclipse.jface.resource.FontRegistry.<init>(FontRegistry.java:308)at org.eclipse.jface.resource.JFaceResources.getFontRegistry(JFaceResources.java:342)at org.eclipse.jdt.internal.ui.JavaPlugin.ensurePreferenceStoreBackwardsCompatibility(JavaPlugin.java:448)at org.eclipse.jdt.internal.ui.JavaPlugin.start(JavaPlugin.java:373)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)... 51 moreRoot exception:java.lang.NoClassDefFoundError: org/eclipse/jdt/ui/text/JavaTextToolsat java.lang.Class.getDeclaredConstructors0(Native Method)at java.lang.Class.privateGetDeclaredConstructors(Class.java:2483)at java.lang.Class.getConstructor0(Class.java:2793)at java.lang.Class.newInstance(Class.java:345)at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:167)at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:679)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:478)at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)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:357)at org.hibernate.eclipse.jdt.ui.internal.HQLExpressionCompilerParticipant.isActive(HQLExpressionCompilerParticipant.java:56)at org.eclipse.jdt.internal.core.JavaModelManager$CompilationParticipants.getCompilationParticipants(JavaModelManager.java:339)at org.eclipse.jdt.internal.core.builder.JavaBuilder.initializeBuilder(JavaBuilder.java:587)at org.eclipse.jdt.internal.core.builder.JavaBuilder.build(JavaBuilder.java:167)at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:726)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)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: An error occurred while automatically activating bundle org.eclipse.jdt.ui (1007).at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:124)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:357)... 36 moreCaused by: org.osgi.framework.BundleException: Exception in org.eclipse.jdt.internal.ui.JavaPlugin.start() of bundle org.eclipse.jdt.ui.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:478)at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)... 45 moreCaused by: org.eclipse.core.runtime.AssertionFailedException: null argument:at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:85)at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:73)at org.eclipse.jface.resource.FontRegistry.<init>(FontRegistry.java:283)at org.eclipse.jface.resource.FontRegistry.<init>(FontRegistry.java:308)at org.eclipse.jface.resource.JFaceResources.getFontRegistry(JFaceResources.java:342)at org.eclipse.jdt.internal.ui.JavaPlugin.ensurePreferenceStoreBackwardsCompatibility(JavaPlugin.java:448)at org.eclipse.jdt.internal.ui.JavaPlugin.start(JavaPlugin.java:373)at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)at java.security.AccessController.doPrivileged(Native Method)at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)... 51 more!ENTRY org.eclipse.core.resources 4 2 2013-09-30 16:56:08.664!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.core.resources".!STACK 0java.lang.NoClassDefFoundError: org/hibernate/eclipse/nature/HibernateNatureat org.hibernate.eclipse.jdt.ui.internal.HQLExpressionCompilerParticipant.isActive(HQLExpressionCompilerParticipant.java:56)at org.eclipse.jdt.internal.core.JavaModelManager$CompilationParticipants.getCompilationParticipants(JavaModelManager.java:339)at org.eclipse.jdt.internal.core.builder.JavaBuilder.initializeBuilder(JavaBuilder.java:587)at org.eclipse.jdt.internal.core.builder.JavaBuilder.build(JavaBuilder.java:167)at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:726)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)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: An error occurred while automatically activating bundle org.hibernate.eclipse.console (1084).at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:124)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:357)... 16 moreCaused by: org.osgi.framework.BundleException: The activator org.hibernate.eclipse.console.HibernateConsolePlugin for bundle org.hibernate.eclipse.console is invalidat org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:172)at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:679)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:478)at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)... 25 moreCaused by: java.lang.NoClassDefFoundError: org/eclipse/jdt/ui/text/JavaTextToolsat java.lang.Class.getDeclaredConstructors0(Native Method)at java.lang.Class.privateGetDeclaredConstructors(Class.java:2483)at java.lang.Class.getConstructor0(Class.java:2793)at java.lang.Class.newInstance(Class.java:345)at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:167)... 31 moreCaused by: org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter$TerminatingClassNotFoundException: An error occurred while automatically activating bundle org.eclipse.jdt.ui (1007).at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:124)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:357)... 36 moreCaused by: org.osgi.framework.BundleException: Exception in org.eclipse.jdt.internal.ui.JavaPlugin.start() of bundle org.eclipse.jdt.ui.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:478)at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:109)... 45 moreCaused by: org.eclipse.core.runtime.AssertionFailedException: null argument:at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:85)at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:73)at org.eclipse.jface.resource.FontRegistry.<init>(FontRegistry.java:283)at org.eclipse.jface.resource.FontRegistry.<init>(FontRegistry.java:308)at org.eclipse.jface.resource.JFaceResources.getFontRegistry(JFaceResources.java:342)at org.eclipse.jdt.internal.ui.JavaPlugin.ensurePreferenceStoreBackwardsCompatibility(JavaPlugin.java:448)at org.eclipse.jdt.internal.ui.JavaPlugin.start(JavaPlugin.java:373)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)... 51 more!ENTRY org.eclipse.wst.common.project.facet.core 4 0 2013-09-30 16:56:10.631!MESSAGE Project facet group group.birt.chart.runtime has not been defined. It is used in plugin org.eclipse.birt.integration.wtp.ui.!ENTRY org.eclipse.osgi 4 0 2013-09-30 16:56:11.233!MESSAGE Application error!STACK 1java.lang.NoClassDefFoundError: Could not initialize class org.eclipse.jface.preference.PreferenceConverterat org.eclipse.ui.internal.themes.ThemeElementHelper.installFont(ThemeElementHelper.java:104)at org.eclipse.ui.internal.themes.ThemeElementHelper.populateRegistry(ThemeElementHelper.java:59)at org.eclipse.ui.internal.Workbench$29.runWithException(Workbench.java:1699)at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3717)at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3366)at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2683)at org.eclipse.ui.internal.Workbench.access$7(Workbench.java:2591)at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:608)at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)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:606)at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)at org.eclipse.equinox.launcher.Main.run(Main.java:1450)at org.eclipse.equinox.launcher.Main.main(Main.java:1426)!ENTRY org.eclipse.core.resources 4 2 2013-09-30 16:56:12.062!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.core.resources".!STACK 0java.lang.NullPointerExceptionat org.eclipse.m2e.core.internal.markers.MarkerUtils.addEditorHintMarkers(MarkerUtils.java:54)at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager$4.call(ProjectRegistryManager.java:662)at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager$4.call(ProjectRegistryManager.java:1)at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:161)at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:137)at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:89)at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.execute(ProjectRegistryManager.java:897)at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.readMavenProjectFacade(ProjectRegistryManager.java:653)at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:374)at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:334)at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:287)at org.eclipse.m2e.core.internal.project.registry.MavenProjectManager.refresh(MavenProjectManager.java:67)at org.eclipse.m2e.core.internal.builder.MavenBuilder.getProjectFacade(MavenBuilder.java:216)at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.call(MavenBuilder.java:91)at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.call(MavenBuilder.java:1)at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:161)at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:137)at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:89)at org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:1305)at org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:89)at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:726)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)!ENTRY org.eclipse.m2e.core 4 -1 2013-09-30 16:56:12.659!MESSAGE Could not lookup required component!STACK 0org.codehaus.plexus.component.repository.exception.ComponentLookupException: java.util.NoSuchElementException role: org.apache.maven.repository.RepositorySystem roleHint: at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:257)at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:245)at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:239)at org.eclipse.m2e.core.internal.embedder.MavenImpl.lookup(MavenImpl.java:1256)at org.eclipse.m2e.core.internal.embedder.MavenImpl.addDefaultRepository(MavenImpl.java:1098)at org.eclipse.m2e.core.internal.embedder.MavenImpl.getArtifactRepositories(MavenImpl.java:1054)at org.eclipse.m2e.core.internal.repository.RepositoryRegistry.updateRegistry(RepositoryRegistry.java:253)at org.eclipse.m2e.core.internal.repository.RepositoryRegistryUpdateJob.run(RepositoryRegistryUpdateJob.java:47)at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)Caused by: java.util.NoSuchElementExceptionat java.util.Collections$EmptyIterator.next(Collections.java:3006)at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:253)... 8 more