[jbosstools-issues] [JBoss JIRA] (JBIDE-17535) NPE thrown when toggling Early Access category content on/off

[Mickael Istria (JIRA)]

    [ https://issues.jboss.org/browse/JBIDE-17535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12973553#comment-12973553 ] 

Mickael Istria commented on JBIDE-17535:
----------------------------------------

What I don't get is, on your first screenshot, how can you get Early Access connectors visible whereas Early Access checkbox is not checked?
If you could get me steps to reproduce just to get in that state, it would help.

> 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
>            Assignee: Mickael Istria
>         Attachments: installed.txt, 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}
> !JBT42b2-early-access-new-category-proposed-throws-NPE.png!



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