Eclipse Not opening and shows error

Question

I just wanted to open my eclipse to begin an android project , but it gives me this error :

An Error has occured. See the log file

In the log file I have:

"!SESSION 2014-02-09 12:11:25.690 ----------------------------------------------- eclipse.buildId=v21.1.0-569685 java.version=1.7.0_17 java.vendor=Oracle Corporation BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US Framework arguments: -product com.android.ide.eclipse.adt.package.product Command-line arguments: -os win32 -ws win32 -arch x86_64 -product com.android.ide.eclipse.adt.package.product

!ENTRY org.eclipse.equinox.ds 4 0 2014-02-09 12:11:26.310 !MESSAGE [SCR] Exception while activating instance org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngineManager@5d1a4ce8 of component org.eclipse.e4.ui.css.swt.theme !STACK 0 java.lang.NoClassDefFoundError: org/eclipse/swt/widgets/Display at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2451) at java.lang.Class.getDeclaredMethods(Class.java:1810) at org.eclipse.equinox.internal.ds.model.ServiceComponent.getMethod(ServiceComponent.java:126) at org.eclipse.equinox.internal.ds.model.ServiceComponent.activate(ServiceComponent.java:213) at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146) at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:347) at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620) at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197) at org.eclipse.equinox.internal.ds.Resolver.buildNewlySatisfied(Resolver.java:473) at org.eclipse.equinox.internal.ds.Resolver.enableComponents(Resolver.java:217) at org.eclipse.equinox.internal.ds.SCRManager.performWork(SCRManager.java:816) at org.eclipse.equinox.internal.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:783) at org.eclipse.equinox.internal.ds.WorkThread.run(WorkThread.java:89) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.ClassNotFoundException: org.eclipse.swt.widgets.Display 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) ... 15 more

!ENTRY org.eclipse.equinox.ds 4 0 2014-02-09 12:11:26.312 !MESSAGE [SCR] Exception while activating instance org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngineManager@5d1a4ce8 of component org.eclipse.e4.ui.css.swt.theme !STACK 0 java.lang.NoClassDefFoundError: org/eclipse/swt/widgets/Display at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2451) at java.lang.Class.getDeclaredMethods(Class.java:1810) at org.eclipse.equinox.internal.ds.model.ServiceComponent.getMethod(ServiceComponent.java:126) at org.eclipse.equinox.internal.ds.model.ServiceComponent.activate(ServiceComponent.java:213) at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146) at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:347) at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620) at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197) at org.eclipse.equinox.internal.ds.Resolver.buildNewlySatisfied(Resolver.java:473) at org.eclipse.equinox.internal.ds.Resolver.enableComponents(Resolver.java:217) at org.eclipse.equinox.internal.ds.SCRManager.performWork(SCRManager.java:816) at org.eclipse.equinox.internal.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:783) at org.eclipse.equinox.internal.ds.WorkThread.run(WorkThread.java:89) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.ClassNotFoundException: org.eclipse.swt.widgets.Display 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) ... 15 more

!ENTRY org.eclipse.osgi 4 0 2014-02-09 12:11:26.670 !MESSAGE An error occurred while automatically activating bundle org.eclipse.ui.workbench (249). !STACK 0 org.osgi.framework.BundleException: The activator org.eclipse.ui.internal.WorkbenchPlugin for bundle org.eclipse.ui.workbench is invalid at 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: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 java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2413) at java.lang.Class.getConstructor0(Class.java:2723) at java.lang.Class.newInstance0(Class.java:345) at java.lang.Class.newInstance(Class.java:327) at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:184) 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.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:191) 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:353) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180) 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.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584) at org.eclipse.equinox.launcher.Main.run(Main.java:1438) Caused by: java.lang.NoClassDefFoundError: org/eclipse/swt/SWTError at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2413) at java.lang.Class.getConstructor0(Class.java:2723) at java.lang.Class.newInstance0(Class.java:345) at java.lang.Class.newInstance(Class.java:327) at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:167) ... 36 more Caused by: java.lang.ClassNotFoundException: org.eclipse.swt.SWTError 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) ... 42 more Root exception: java.lang.NoClassDefFoundError: org/eclipse/swt/SWTError at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2413) at java.lang.Class.getConstructor0(Class.java:2723) at java.lang.Class.newInstance0(Class.java:345) at java.lang.Class.newInstance(Class.java:327) 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: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 java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2413) at java.lang.Class.getConstructor0(Class.java:2723) at java.lang.Class.newInstance0(Class.java:345) at java.lang.Class.newInstance(Class.java:327) at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:184) 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.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:191) 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:353) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180) 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.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584) at org.eclipse.equinox.launcher.Main.run(Main.java:1438) Caused by: java.lang.ClassNotFoundException: org.eclipse.swt.SWTError 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) ... 42 more

!ENTRY org.eclipse.osgi 4 0 2014-02-09 12:11:26.950 !MESSAGE Application error !STACK 1 org.eclipse.core.runtime.CoreException: Plug-in "org.eclipse.ui.ide.application" was unable to instantiate class "org.eclipse.ui.internal.ide.application.IDEApplication". at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.throwException(RegistryStrategyOSGI.java:194) at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:188) 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.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:191) 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:353) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180) 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.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584) at org.eclipse.equinox.launcher.Main.run(Main.java:1438) Caused by: java.lang.NoClassDefFoundError: org/eclipse/ui/application/WorkbenchAdvisor at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2413) at java.lang.Class.getConstructor0(Class.java:2723) at java.lang.Class.newInstance0(Class.java:345) at java.lang.Class.newInstance(Class.java:327) at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:184) ... 15 more Caused by: org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter$TerminatingClassNotFoundException: An error occurred while automatically activating bundle org.eclipse.ui.workbench (249). 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) ... 21 more Caused by: org.osgi.framework.BundleException: The activator org.eclipse.ui.internal.WorkbenchPlugin for bundle org.eclipse.ui.workbench is invalid at 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:440) at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263) at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107) ... 30 more Caused by: java.lang.NoClassDefFoundError: org/eclipse/swt/SWTError at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2413) at java.lang.Class.getConstructor0(Class.java:2723) at java.lang.Class.newInstance0(Class.java:345) at java.lang.Class.newInstance(Class.java:327) at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:167) ... 36 more Caused by: java.lang.ClassNotFoundException: org.eclipse.swt.SWTError 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) ... 42 more

!ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2014-02-09 12:11:27.178 !MESSAGE [SCR] Error while attempting to deactivate instance of component Component[ name = org.eclipse.e4.ui.css.swt.theme activate = activate deactivate = deactivate modified = configuration-policy = optional factory = null autoenable = true immediate = true implementation = org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngineManager state = Disabled properties = serviceFactory = false serviceInterface = [org.eclipse.e4.ui.css.swt.theme.IThemeManager] references = null located in bundle = org.eclipse.e4.ui.css.swt.theme_0.9.3.v20120806-170624 [101] ] !STACK 0 java.lang.NoClassDefFoundError: org/eclipse/swt/widgets/Display at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2451) at java.lang.Class.getDeclaredMethods(Class.java:1810) at org.eclipse.equinox.internal.ds.model.ServiceComponent.getMethod(ServiceComponent.java:126) at org.eclipse.equinox.internal.ds.model.ServiceComponent.deactivate(ServiceComponent.java:337) at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.deactivate(ServiceComponentProp.java:161) at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.dispose(ServiceComponentProp.java:389) at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.dispose(ServiceComponentProp.java:102) at org.eclipse.equinox.internal.ds.InstanceProcess.disposeInstances(InstanceProcess.java:366) at org.eclipse.equinox.internal.ds.InstanceProcess.disposeInstances(InstanceProcess.java:306) at org.eclipse.equinox.internal.ds.Resolver.disposeComponentConfigs(Resolver.java:717) at org.eclipse.equinox.internal.ds.Resolver.disableComponents(Resolver.java:693) at org.eclipse.equinox.internal.ds.SCRManager.stoppingBundle(SCRManager.java:554) at org.eclipse.equinox.internal.ds.SCRManager.bundleChanged(SCRManager.java:233) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:847) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEventPrivileged(Framework.java:1568) at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1504) at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1499) at org.eclipse.osgi.framework.internal.core.BundleHost.stopWorker(BundleHost.java:506) at org.eclipse.osgi.framework.internal.core.AbstractBundle.suspend(AbstractBundle.java:566) at org.eclipse.osgi.framework.internal.core.Framework.suspendBundle(Framework.java:1206) at org.eclipse.osgi.framework.internal.core.StartLevelManager.decFWSL(StartLevelManager.java:592) at org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:257) at org.eclipse.osgi.framework.internal.core.StartLevelManager.shutdown(StartLevelManager.java:215) at org.eclipse.osgi.framework.internal.core.InternalSystemBundle.suspend(InternalSystemBundle.java:284) at org.eclipse.osgi.framework.internal.core.Framework.shutdown(Framework.java:692) at org.eclipse.osgi.framework.internal.core.Framework.close(Framework.java:600) at org.eclipse.core.runtime.adaptor.EclipseStarter.shutdown(EclipseStarter.java:399) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:199) 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.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584) at org.eclipse.equinox.launcher.Main.run(Main.java:1438) Caused by: java.lang.ClassNotFoundException: org.eclipse.swt.widgets.Display 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) ... 38 more

!ENTRY org.eclipse.e4.ui.css.swt.theme 4 0 2014-02-09 12:11:27.180 !MESSAGE [SCR] Error while attempting to deactivate instance of component Component[ name = org.eclipse.e4.ui.css.swt.theme activate = activate deactivate = deactivate modified = configuration-policy = optional factory = null autoenable = true immediate = true implementation = org.eclipse.e4.ui.css.swt.internal.theme.ThemeEngineManager state = Disabled properties = serviceFactory = false serviceInterface = [org.eclipse.e4.ui.css.swt.theme.IThemeManager] references = null located in bundle = org.eclipse.e4.ui.css.swt.theme_0.9.3.v20120806-170624 [101] ] !STACK 0 java.lang.NoClassDefFoundError: org/eclipse/swt/widgets/Display at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2451) at java.lang.Class.getDeclaredMethods(Class.java:1810) at org.eclipse.equinox.internal.ds.model.ServiceComponent.getMethod(ServiceComponent.java:126) at org.eclipse.equinox.internal.ds.model.ServiceComponent.deactivate(ServiceComponent.java:337) at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.deactivate(ServiceComponentProp.java:161) at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.dispose(ServiceComponentProp.java:389) at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.dispose(ServiceComponentProp.java:102) at org.eclipse.equinox.internal.ds.InstanceProcess.disposeInstances(InstanceProcess.java:366) at org.eclipse.equinox.internal.ds.InstanceProcess.disposeInstances(InstanceProcess.java:306) at org.eclipse.equinox.internal.ds.Resolver.disposeComponentConfigs(Resolver.java:717) at org.eclipse.equinox.internal.ds.Resolver.disableComponents(Resolver.java:693) at org.eclipse.equinox.internal.ds.SCRManager.stoppingBundle(SCRManager.java:554) at org.eclipse.equinox.internal.ds.SCRManager.bundleChanged(SCRManager.java:233) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:847) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEventPrivileged(Framework.java:1568) at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1504) at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1499) at org.eclipse.osgi.framework.internal.core.BundleHost.stopWorker(BundleHost.java:506) at org.eclipse.osgi.framework.internal.core.AbstractBundle.suspend(AbstractBundle.java:566) at org.eclipse.osgi.framework.internal.core.Framework.suspendBundle(Framework.java:1206) at org.eclipse.osgi.framework.internal.core.StartLevelManager.decFWSL(StartLevelManager.java:592) at org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:257) at org.eclipse.osgi.framework.internal.core.StartLevelManager.shutdown(StartLevelManager.java:215) at org.eclipse.osgi.framework.internal.core.InternalSystemBundle.suspend(InternalSystemBundle.java:284) at org.eclipse.osgi.framework.internal.core.Framework.shutdown(Framework.java:692) at org.eclipse.osgi.framework.internal.core.Framework.close(Framework.java:600) at org.eclipse.core.runtime.adaptor.EclipseStarter.shutdown(EclipseStarter.java:399) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:199) 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.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584) at org.eclipse.equinox.launcher.Main.run(Main.java:1438) Caused by: java.lang.ClassNotFoundException: org.eclipse.swt.widgets.Display 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) ... 38 more

I haven't seen such error and some of the suggestions on other topics didn't help and I don't know where to begin in this long log file. I'll appreciate if someone can help me with this .

Answer 1

www.eclipse.org/forums/index.php/t/156204/‎ please check on site or delete and get a new ecllipse version for your system compatible.