here is the log
<pre>

!ENTRY org.eclipse.jface 4 2 2007-01-16 09:01:51.825
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface".
!STACK 0
java.lang.NullPointerException
        at org.eclipse.update.internal.ui.wizards.TargetPage$JobsLabelProvider.getColumnText(TargetPage.java:130)
        at org.eclipse.jface.viewers.TableViewer.doUpdateItem(TableViewer.java:486)
        at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run(StructuredViewer.java:465)
        at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
        at org.eclipse.core.runtime.Platform.run(Platform.java:843)
        at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:44)
        at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:149)
        at org.eclipse.jface.viewers.StructuredViewer.updateItem(StructuredViewer.java:1955)
        at org.eclipse.jface.viewers.TableViewer.createItem(TableViewer.java:350)
        at org.eclipse.jface.viewers.TableViewer.internalRefreshAll(TableViewer.java:923)
        at org.eclipse.jface.viewers.TableViewer.internalRefresh(TableViewer.java:818)
        at org.eclipse.jface.viewers.TableViewer.internalRefresh(TableViewer.java:807)
        at org.eclipse.jface.viewers.StructuredViewer$7.run(StructuredViewer.java:1388)
        at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1323)
        at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1386)
        at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1345)
        at org.eclipse.jface.viewers.TableViewer.inputChanged(TableViewer.java:767)
        at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:250)
        at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1542)
        at org.eclipse.update.internal.ui.wizards.TargetPage.setVisible(TargetPage.java:443)
        at org.eclipse.jface.wizard.WizardDialog.updateForPage(WizardDialog.java:1056)
        at org.eclipse.jface.wizard.WizardDialog.access$2(WizardDialog.java:1038)
        at org.eclipse.jface.wizard.WizardDialog$4.run(WizardDialog.java:1028)
        at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
        at org.eclipse.jface.wizard.WizardDialog.showPage(WizardDialog.java:1026)
        at org.eclipse.jface.wizard.WizardDialog.nextPressed(WizardDialog.java:757)
        at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:351)
        at org.eclipse.jface.dialogs.Dialog$3.widgetSelected(Dialog.java:660)
        at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:90)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085)
        at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3166)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2842)
        at org.eclipse.jface.window.Window.runEventLoop(Window.java:820)
        at org.eclipse.jface.window.Window.open(Window.java:796)
        at org.eclipse.update.internal.ui.wizards.ResizableInstallWizardDialog.open(ResizableInstallWizardDialog.java:59)
        at org.eclipse.update.internal.ui.wizards.InstallWizardOperation$UpdateJobChangeListener.openInstallWizard2(InstallWizardOperation.java:100)
        at org.eclipse.update.internal.ui.wizards.InstallWizardOperation$UpdateJobChangeListener.access$0(InstallWizardOperation.java:85)
        at org.eclipse.update.internal.ui.wizards.InstallWizardOperation$3.run(InstallWizardOperation.java:77)
        at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
        at org.eclipse.update.internal.ui.wizards.InstallWizardOperation$2.run(InstallWizardOperation.java:75)
        at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
        at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123)
        at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3143)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2845)
        at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914)
        at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878)
        at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419)
        at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
        at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95)
        at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
        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:585)
        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.jface 4 2 2007-01-16 09:01:53.439
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface".
!STACK 0
java.lang.NullPointerException
        at org.eclipse.update.internal.ui.wizards.TargetPage.updateStatus(TargetPage.java:474)
        at org.eclipse.update.internal.ui.wizards.TargetPage.access$12(TargetPage.java:460)
        at org.eclipse.update.internal.ui.wizards.TargetPage$10.selectionChanged(TargetPage.java:431)
        at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:162)
        at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
        at org.eclipse.core.runtime.Platform.run(Platform.java:843)
        at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:44)
        at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:149)
        at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:160)
        at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:1976)
        at org.eclipse.jface.viewers.StructuredViewer.setSelection(StructuredViewer.java:1577)
        at org.eclipse.jface.viewers.TableViewer.setSelection(TableViewer.java:1114)
        at org.eclipse.jface.viewers.Viewer.setSelection(Viewer.java:384)
        at org.eclipse.update.internal.ui.wizards.TargetPage.setVisible(TargetPage.java:445)
        at org.eclipse.jface.wizard.WizardDialog.updateForPage(WizardDialog.java:1056)
        at org.eclipse.jface.wizard.WizardDialog.access$2(WizardDialog.java:1038)
        at org.eclipse.jface.wizard.WizardDialog$4.run(WizardDialog.java:1028)
        at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
        at org.eclipse.jface.wizard.WizardDialog.showPage(WizardDialog.java:1026)
        at org.eclipse.jface.wizard.WizardDialog.nextPressed(WizardDialog.java:757)
        at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:351)
        at org.eclipse.jface.dialogs.Dialog$3.widgetSelected(Dialog.java:660)
        at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:90)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085)
        at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3166)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2842)
        at org.eclipse.jface.window.Window.runEventLoop(Window.java:820)
        at org.eclipse.jface.window.Window.open(Window.java:796)
        at org.eclipse.update.internal.ui.wizards.ResizableInstallWizardDialog.open(ResizableInstallWizardDialog.java:59)
        at org.eclipse.update.internal.ui.wizards.InstallWizardOperation$UpdateJobChangeListener.openInstallWizard2(InstallWizardOperation.java:100)
        at org.eclipse.update.internal.ui.wizards.InstallWizardOperation$UpdateJobChangeListener.access$0(InstallWizardOperation.java:85)
        at org.eclipse.update.internal.ui.wizards.InstallWizardOperation$3.run(InstallWizardOperation.java:77)
        at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
        at org.eclipse.update.internal.ui.wizards.InstallWizardOperation$2.run(InstallWizardOperation.java:75)
        at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
        at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123)
        at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3143)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2845)
        at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914)
        at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878)
        at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419)
        at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
        at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95)
        at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
        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:585)
        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)

</pre>