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java.lang.ClassNotFoundException: com.ibm.icu.util.StringTokenizer	at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:455)	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:358)	at org.eclipse.wst.sse.core.utils.StringUtils.unpack(StringUtils.java:734)	at org.eclipse.wst.sse.core.internal.tasks.TaskScanningJob.projectHasNotBeenFullyScanned(TaskScanningJob.java:129)	at org.eclipse.wst.sse.core.internal.tasks.TaskScanningJob.addProject(TaskScanningJob.java:95)	at org.eclipse.wst.sse.core.internal.tasks.TaskScanningScheduler.enqueue(TaskScanningScheduler.java:138)	at org.eclipse.wst.sse.core.internal.tasks.TaskScanningScheduler.startup(TaskScanningScheduler.java:118)	at org.eclipse.wst.sse.core.internal.SSECorePlugin.start(SSECorePlugin.java:90)	at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)	at java.security.AccessController.doPrivileged(Native Method)	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)	at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)	at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:300)	at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:440)	at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:263)	at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)	at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:469)	at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)	at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:395)	at org.eclipse.osgi.internal.loader.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:358)	at java.lang.Class.getDeclaredConstructors0(Native Method)	at java.lang.Class.privateGetDeclaredConstructors(Class.java:2595)	at java.lang.Class.getConstructor0(Class.java:2895)	at java.lang.Class.newInstance(Class.java:354)	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.BundleLoader.findClassInternal(BundleLoader.java:464)	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421)	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412)	at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)	at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:340)	at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)	at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1212)	at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)	at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)	at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)	at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)	at org.eclipse.ui.internal.WorkbenchPlugin$1.run(WorkbenchPlugin.java:268)	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)	at org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:264)	at org.eclipse.ui.internal.registry.EditorDescriptor.createEditor(EditorDescriptor.java:235)	at org.eclipse.ui.internal.EditorManager.createPart(EditorManager.java:875)	at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:609)	at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:465)	at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)	at org.eclipse.ui.internal.EditorAreaHelper.setVisibleEditor(EditorAreaHelper.java:271)	at org.eclipse.ui.internal.EditorManager.setVisibleEditor(EditorManager.java:1459)	at org.eclipse.ui.internal.EditorManager$5.runWithException(EditorManager.java:972)	at org.eclipse.ui.internal.StartupThreading$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:3537)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3189)	at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:803)	at org.eclipse.ui.internal.Workbench$33.runWithException(Workbench.java:1600)	at org.eclipse.ui.internal.StartupThreading$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:3537)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3189)	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2609)	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499)	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668)	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)	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: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:606)	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)	at org.eclipse.equinox.launcher.Main.main(Main.java:1414)