I have been facing this weird problem for some days ... When i try to open my eclipse editor it closes itself and just show some error message that is logged in my .log file .. I am pasting my log file content here .. help !

!ENTRY org.eclipse.jface 4 0 2012-09-23 01:45:17.443
!MESSAGE An error has occurred. See error log for more details.
!STACK 0
org.eclipse.core.runtime.AssertionFailedException: assertion failed: The application has not been initialized.
    at org.eclipse.core.runtime.Assert.isTrue(Assert.java:110)
    at org.eclipse.core.internal.runtime.InternalPlatform.assertInitialized(InternalPlatform.java:148)
    at org.eclipse.core.internal.runtime.InternalPlatform.getAdapterManager(InternalPlatform.java:169)
    at org.eclipse.core.runtime.Platform.getAdapterManager(Platform.java:628)
    at org.eclipse.ui.part.IntroPart.getAdapter(IntroPart.java:143)
    at org.eclipse.ui.internal.ViewIntroAdapterPart.getAdapter(ViewIntroAdapterPart.java:117)
    at org.eclipse.ui.internal.util.Util.getAdapter(Util.java:109)
    at org.eclipse.ui.internal.services.WorkbenchSourceProvider.getShowInSource(WorkbenchSourceProvider.java:406)
    at org.eclipse.ui.internal.services.WorkbenchSourceProvider.getContext(WorkbenchSourceProvider.java:410)
    at org.eclipse.ui.internal.services.WorkbenchSourceProvider.updateActivePart(WorkbenchSourceProvider.java:478)
    at org.eclipse.ui.internal.services.WorkbenchSourceProvider.checkActivePart(WorkbenchSourceProvider.java:305)
    at org.eclipse.ui.internal.services.WorkbenchSourceProvider.checkActivePart(WorkbenchSourceProvider.java:300)
    at org.eclipse.ui.internal.services.WorkbenchSourceProvider$2.windowDeactivated(WorkbenchSourceProvider.java:270)
    at org.eclipse.ui.internal.Workbench$15.run(Workbench.java:1026)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.ui.internal.Workbench.fireWindowDeactivated(Workbench.java:1024)
    at org.eclipse.ui.internal.WorkbenchWindow$29.shellDeactivated(WorkbenchWindow.java:3169)
    at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:111)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1282)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1263)
    at org.eclipse.swt.widgets.Shell.filterProc(Shell.java:748)
    at org.eclipse.swt.widgets.Display.filterProc(Display.java:1543)