[ERR] Ubuntu Gutsy에서 eclipse가 실행되지 않을 때

플러그인 설치가 꼬여서 eclipse를 지웠다가 재설치를 했는데,
다음과 같은 에러 로그를 뿌리면서 Ubuntu box에서 eclipse가 실행되지 않았다.

로그 처음 부분:

!SESSION 2008-06-11 19:16:32.612 -----------------------------------------------
eclipse.buildId=M20070212-1330
java.version=1.6.0_03
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Command-line arguments:  -os linux -ws gtk -arch x86_64 -debug -consoleLog

!ENTRY org.eclipse.osgi 2 1 2008-06-11 19:16:35.246
!MESSAGE NLS missing message: initializer_error in: org.eclipse.core.internal.runtime.messages

!ENTRY org.eclipse.osgi 2 1 2008-06-11 19:16:35.247
!MESSAGE NLS missing message: fileInitializer_fileNotFound in: org.eclipse.core.internal.runtime.messages

!ENTRY org.eclipse.osgi 2 1 2008-06-11 19:16:35.248
!MESSAGE NLS missing message: fileInitializer_IOError in: org.eclipse.core.internal.runtime.messages

!ENTRY org.eclipse.osgi 2 1 2008-06-11 19:16:35.248
!MESSAGE NLS missing message: fileInitializer_missingFileName in: org.eclipse.core.internal.runtime.messages

!ENTRY org.eclipse.osgi 4 0 2008-06-11 19:16:35.270
!MESSAGE An error occurred while automatically activating bundle org.eclipse.ui.workbench (8).
!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:141)

 !SESSION 2008-06-11 19:16:32.612 -----------------------------------------------
eclipse.buildId=M20070212-1330
java.version=1.6.0_03
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Command-line arguments:  -os linux -ws gtk -arch x86_64 -debug -consoleLog

!ENTRY org.eclipse.osgi 2 1 2008-06-11 19:16:35.246
!MESSAGE NLS missing message: initializer_error in: org.eclipse.core.internal.runtime.messages

!ENTRY org.eclipse.osgi 2 1 2008-06-11 19:16:35.247
!MESSAGE NLS missing message: fileInitializer_fileNotFound in: org.eclipse.core.internal.runtime.messages

!ENTRY org.eclipse.osgi 2 1 2008-06-11 19:16:35.248
!MESSAGE NLS missing message: fileInitializer_IOError in: org.eclipse.core.internal.runtime.messages

!ENTRY org.eclipse.osgi 2 1 2008-06-11 19:16:35.248
!MESSAGE NLS missing message: fileInitializer_missingFileName in: org.eclipse.core.internal.runtime.messages

!ENTRY org.eclipse.osgi 4 0 2008-06-11 19:16:35.270
!MESSAGE An error occurred while automatically activating bundle org.eclipse.ui.workbench (8).
!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:141)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:962)
    at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:317)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:256)
    at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:342)
    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.preFindLocalClass(EclipseLazyStarter.java:88)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:412)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:334)
    at org.eclipse.osgi.framework.internal.core.SingleSourcePackage.loadClass(SingleSourcePackage.java:37)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:383)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass(DefaultClassLoader.java:161)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass(ClasspathManager.java:501)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl(ClasspathManager.java:471)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl(ClasspathManager.java:430)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:413)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:334)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:386)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278)
    at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:134)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:962)
    at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:317)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:256)
    at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:342)
    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.preFindLocalClass(EclipseLazyStarter.java:88)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:412)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:334)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:386)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278)
    at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1245)
    at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:147)
    at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:759)
    at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
    at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51)
    at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:74)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
    at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
    at org.eclipse.core.launcher.Main.run(Main.java:977)
    at org.eclipse.core.launcher.Main.main(Main.java:952)
Caused by: java.lang.NoClassDefFoundError: org/eclipse/swt/SWTError
    at java.lang.Class.getDeclaredConstructors0(Native Method)
    at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
    at java.lang.Class.getConstructor0(Class.java:2699)
    at java.lang.Class.newInstance0(Class.java:326)
    at java.lang.Class.newInstance(Class.java:308)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:136)
    ... 62 more
Root exception:
java.lang.NoClassDefFoundError: org/eclipse/swt/SWTError
    at java.lang.Class.getDeclaredConstructors0(Native Method)
    at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
    at java.lang.Class.getConstructor0(Class.java:2699)
    at java.lang.Class.newInstance0(Class.java:326)
    at java.lang.Class.newInstance(Class.java:308)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:136)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:962)
    at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:317)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:256)
    at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:342)
    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.preFindLocalClass(EclipseLazyStarter.java:88)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:412)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:334)
    at org.eclipse.osgi.framework.internal.core.SingleSourcePackage.loadClass(SingleSourcePackage.java:37)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:383)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass(DefaultClassLoader.java:161)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass(ClasspathManager.java:501)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl(ClasspathManager.java:471)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl(ClasspathManager.java:430)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:413)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:334)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:386)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278)
    at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:134)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:962)
    at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:317)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:256)
    at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:342)
    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.preFindLocalClass(EclipseLazyStarter.java:88)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:412)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:334)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:386)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278)
    at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1245)
    at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:147)
    at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:759)
    at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
    at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51)
    at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:74)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
    at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
    at org.eclipse.core.launcher.Main.run(Main.java:977)
    at org.eclipse.core.launcher.Main.main(Main.java:952)

!ENTRY org.eclipse.osgi 4 0 2008-06-11 19:16:35.287
!MESSAGE An error occurred while automatically activating bundle org.eclipse.ui.ide (65).
!STACK 0
org.osgi.framework.BundleException: The activator org.eclipse.ui.internal.ide.IDEWorkbenchPlugin for bundle org.eclipse.ui.ide is invalid
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:141)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:962)
    at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:317)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:256)
    at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:342)
    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.preFindLocalClass(EclipseLazyStarter.java:88)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:412)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:334)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:386)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278)
    at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1245)
    at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:147)
    at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:759)
    at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
    at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51)
    at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:74)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
    at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
    at org.eclipse.core.launcher.Main.run(Main.java:977)
    at org.eclipse.core.launcher.Main.main(Main.java:952)
Caused by: java.lang.NoClassDefFoundError: org/eclipse/ui/plugin/AbstractUIPlugin
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass(DefaultClassLoader.java:161)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass(ClasspathManager.java:501)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl(ClasspathManager.java:471)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl(ClasspathManager.java:430)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:413)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:334)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:386)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278)
    at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:134)
    ... 32 more
Root exception:
java.lang.NoClassDefFoundError: org/eclipse/ui/plugin/AbstractUIPlugin
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass(DefaultClassLoader.java:161)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass(ClasspathManager.java:501)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl(ClasspathManager.java:471)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl(ClasspathManager.java:430)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:413)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:334)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:386)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278)
    at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(AbstractBundle.java:134)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:962)
    at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:317)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:256)
    at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:342)
    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.preFindLocalClass(EclipseLazyStarter.java:88)
    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:412)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:334)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:386)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278)
    at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1245)
    at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:147)
    at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:759)
    at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
    at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51)
    at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:74)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
    at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
    at org.eclipse.core.launcher.Main.run(Main.java:977)
    at org.eclipse.core.launcher.Main.main(Main.java:952)

!ENTRY org.eclipse.osgi 4 0 2008-06-11 19:16:35.294
!MESSAGE Application error
!STACK 1
org.eclipse.core.runtime.CoreException: Plug-in org.eclipse.ui.ide was unable to load class org.eclipse.ui.internal.ide.IDEApplication.
    at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.throwException(RegistryStrategyOSGI.java:165)
    at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:149)
    at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:759)
    at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
    at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51)
    at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:74)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
    at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
    at org.eclipse.core.launcher.Main.run(Main.java:977)
    at org.eclipse.core.launcher.Main.main(Main.java:952)
org.eclipse.core.runtime.CoreException[1]: java.lang.ClassNotFoundException: org.eclipse.ui.internal.ide.IDEApplication
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:402)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278)
    at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1245)
    at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:147)
    at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:759)
    at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
    at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51)
    at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:74)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
    at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
    at org.eclipse.core.launcher.Main.run(Main.java:977)
    at org.eclipse.core.launcher.Main.main(Main.java:952)

해결법은 간단히 다음 명령어 입력:

$sudo apt-get --purge remove libswt3.2-gtk-*
#lets him remove all eclipse pakages and reinstall eclipse
$sudo apt-get install eclipse

libswt와 모종의 충돌(?)이 있는 듯하다.

참고:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=446299#120
https://bugs.launchpad.net/ubuntu/+source/eclipse/+bug/109583

happy hackin'