Bug 333181

Description Srikanth 2010-12-24 00:09:26 EST

What steps will reproduce the problem?
1.While installing the "Eclipse XML" plugin from yoxos marketplace.


-- Error Details --
Date: Fri Dec 24 10:28:48 IST 2010
Message: Unhandled event loop exception
Severity: Error
Product: Eclipse 1.3.1.20100913-1228 (org.eclipse.epp.package.jee.product)
Plugin: org.eclipse.ui
Session Data:
eclipse.buildId=M20100909-0800
java.version=1.6.0_22
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Framework arguments:  -product org.eclipse.epp.package.jee.product -product org.eclipse.epp.package.jee.product
Command-line arguments:  -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product -data F:\Eclipse\helios workspace -product org.eclipse.epp.package.jee.product


Exception Stack Trace:
java.lang.NullPointerException
	at org.eclipse.epp.internal.mpc.ui.wizards.ItemButtonController.updateAppearance(ItemButtonController.java:187)
	at org.eclipse.epp.internal.mpc.ui.wizards.ItemButtonController.<init>(ItemButtonController.java:100)
	at org.eclipse.epp.internal.mpc.ui.wizards.DiscoveryItem.createContent(DiscoveryItem.java:226)
	at org.eclipse.epp.internal.mpc.ui.wizards.DiscoveryItem.<init>(DiscoveryItem.java:109)
	at org.eclipse.epp.internal.mpc.ui.wizards.MarketplaceViewer.doCreateViewerItem(MarketplaceViewer.java:191)
	at org.eclipse.equinox.internal.p2.ui.discovery.wizards.CatalogViewer$3.doCreateItem(CatalogViewer.java:332)
	at org.eclipse.equinox.internal.p2.ui.discovery.util.ControlListViewer.createNewItem(ControlListViewer.java:244)
	at org.eclipse.equinox.internal.p2.ui.discovery.util.ControlListViewer.refreshAll(ControlListViewer.java:478)
	at org.eclipse.equinox.internal.p2.ui.discovery.util.ControlListViewer.internalRefresh(ControlListViewer.java:365)
	at org.eclipse.jface.viewers.StructuredViewer$7.run(StructuredViewer.java:1487)
	at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1422)
	at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1383)
	at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1485)
	at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1444)
	at org.eclipse.jface.viewers.StructuredViewer.setSorter(StructuredViewer.java:1760)
	at org.eclipse.epp.internal.mpc.ui.wizards.MarketplaceViewer.doQuery(MarketplaceViewer.java:286)
	at org.eclipse.epp.internal.mpc.ui.wizards.MarketplaceViewer.doQuery(MarketplaceViewer.java:229)
	at org.eclipse.epp.internal.mpc.ui.wizards.MarketplaceViewer.setContentType(MarketplaceViewer.java:328)
	at org.eclipse.epp.internal.mpc.ui.wizards.MarketplacePage$1.widgetSelected(MarketplacePage.java:111)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:234)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657)
	at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
	at org.eclipse.jface.window.Window.open(Window.java:801)
	at org.eclipse.epp.internal.mpc.ui.commands.MarketplaceWizardCommand.execute(MarketplaceWizardCommand.java:140)
	at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293)
	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)
	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
	at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)
	at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:241)
	at org.eclipse.ui.menus.CommandContributionItem.handleWidgetSelection(CommandContributionItem.java:820)
	at org.eclipse.ui.menus.CommandContributionItem.access$19(CommandContributionItem.java:806)
	at org.eclipse.ui.menus.CommandContributionItem$5.handleEvent(CommandContributionItem.java:796)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
	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:369)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1407)