[jbosstools-issues] [JBoss JIRA] (JBIDE-11859) NPE when press OK on preference page

[Viacheslav Kabanovich (JIRA)]

     [ https://issues.jboss.org/browse/JBIDE-11859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Viacheslav Kabanovich resolved JBIDE-11859.
-------------------------------------------

    Release Notes Text: Verified.
            Resolution: Done

    
> NPE when press OK on preference page
> ------------------------------------
>
>                 Key: JBIDE-11859
>                 URL: https://issues.jboss.org/browse/JBIDE-11859
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: common/jst/core
>    Affects Versions: 3.3.0.Beta2
>            Reporter: Alexey Kazakov
>            Assignee: Viacheslav Kabanovich
>             Fix For: 3.3.0.CR1
>
>
> I get the following NPE sometimes when press OK on JBT preferences pages:
> {code}
> java.lang.NullPointerException
>         at org.jboss.tools.common.ui.preferences.SeverityPreferencePage.updateEnableBlock(SeverityPreferencePage.java:155)
>         at org.jboss.tools.common.ui.preferences.SeverityPreferencePage.performOk(SeverityPreferencePage.java:138)
>         at org.eclipse.jface.preference.PreferenceDialog$13.run(PreferenceDialog.java:964)
>         at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
>         at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
>         at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
>         at org.eclipse.jface.preference.PreferenceDialog.okPressed(PreferenceDialog.java:944)
>         at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.okPressed(FilteredPreferenceDialog.java:447)
>         at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.okPressed(WorkbenchPreferenceDialog.java:171)
>         at org.eclipse.jface.preference.PreferenceDialog.buttonPressed(PreferenceDialog.java:233)
>         at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624)
>         at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:240)
>         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.Display.runDeferredEvents(Display.java:3588)
>         at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3209)
>         at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
>         at org.eclipse.jface.window.Window.open(Window.java:801)
>         at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:215)
>         at org.eclipse.ui.internal.handlers.ShowPreferencePageHandler.execute(ShowPreferencePageHandler.java:54)
>         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.internal.actions.CommandAction.runWithEvent(CommandAction.java:157)
>         at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
>         at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
>         at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
>         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.Display.runDeferredEvents(Display.java:3588)
>         at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3209)
>         at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701)
>         at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665)
>         at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499)
>         at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679)
>         at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
>         at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668)
>         at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
>         at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
>         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:344)
>         at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:601)
>         at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
>         at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
>         at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
>         at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
> {code}

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