NPE thrown when toggling Early Access category content on/off ------------------------------------------------------------- Key: JBIDE-17535 URL: https://issues.jboss.org/browse/JBIDE-17535 Project: Tools (JBoss Tools) Issue Type: Bug Components: central, discovery Affects Versions: 4.2.0.Beta2 Environment: Fedora 18, sun-java-8.0, eclipse-jee-luna-M7-linux-gtk-x86_64.tar.gz $➔ uname -a; java -version Linux thunk 3.11.9-100.fc18.x86_64 #1 SMP Wed Nov 20 21:22:39 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux java version "1.8.0" Java(TM) SE Runtime Environment (build 1.8.0-b132) Java HotSpot(TM) 64-Bit Server VM (build 25.0-b70, mixed mode) Reporter: Nick Boldt Attachments: JBT42b2-early-access-new-category-proposed-throws-NPE.png with https://github.com/jbosstools/jbosstools-discovery/pull/165/files applied, if you toggle the EA content on/off via the checkbox, a nasty NPE is thrown each time: {code:title=Unhandled event loop exception} java.lang.NullPointerException at org.jboss.tools.central.editors.SoftwarePage$8.widgetSelected(SoftwarePage.java:353) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4462) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1388) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3806) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3416) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1152) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1033) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:635) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:578) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:379) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:233) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) {code}