[jbosstools-issues] [JBoss JIRA] (JBIDE-19322) NPE when opening central
Rastislav Wagner (JIRA)
issues at jboss.org
Thu Feb 19 10:14:50 EST 2015
[ https://issues.jboss.org/browse/JBIDE-19322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13042001#comment-13042001 ]
Rastislav Wagner commented on JBIDE-19322:
------------------------------------------
Im using old workspace and when I try to open Preferences -> JBoss Tools ->Project Examples it says "The currently displayed page contains invalid values" and also exception in error log
{code}
java.lang.NullPointerException
at java.util.AbstractCollection.addAll(AbstractCollection.java:343)
at org.jboss.tools.project.examples.model.ProjectExampleUtil.getUserSites(ProjectExampleUtil.java:210)
at org.jboss.tools.project.examples.preferences.Sites.getSiteCategories(Sites.java:38)
at org.jboss.tools.project.examples.preferences.ProjectExamplesPreferencePage$SitesContentProvider.getChildren(ProjectExamplesPreferencePage.java:352)
at org.jboss.tools.project.examples.preferences.ProjectExamplesPreferencePage$SitesContentProvider.getElements(ProjectExamplesPreferencePage.java:369)
at org.eclipse.jface.viewers.StructuredViewer.getRawChildren(StructuredViewer.java:1000)
at org.eclipse.jface.viewers.ColumnViewer.getRawChildren(ColumnViewer.java:700)
at org.eclipse.jface.viewers.AbstractTreeViewer.getRawChildren(AbstractTreeViewer.java:1349)
at org.eclipse.jface.viewers.TreeViewer.getRawChildren(TreeViewer.java:353)
at org.eclipse.jface.viewers.StructuredViewer.getFilteredChildren(StructuredViewer.java:906)
at org.eclipse.jface.viewers.AbstractTreeViewer.getSortedChildren(AbstractTreeViewer.java:617)
at org.eclipse.jface.viewers.AbstractTreeViewer$1.run(AbstractTreeViewer.java:815)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:791)
at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:611)
at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:762)
at org.eclipse.jface.viewers.AbstractTreeViewer.internalInitializeTree(AbstractTreeViewer.java:1541)
at org.eclipse.jface.viewers.TreeViewer.internalInitializeTree(TreeViewer.java:790)
at org.eclipse.jface.viewers.AbstractTreeViewer$5.run(AbstractTreeViewer.java:1525)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1462)
at org.eclipse.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:366)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1423)
at org.eclipse.jface.viewers.AbstractTreeViewer.inputChanged(AbstractTreeViewer.java:1517)
at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:292)
at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1701)
at org.jboss.tools.project.examples.preferences.ProjectExamplesPreferencePage.createContents(ProjectExamplesPreferencePage.java:172)
at org.eclipse.jface.preference.PreferencePage.createControl(PreferencePage.java:241)
at org.eclipse.jface.preference.PreferenceDialog.createPageControl(PreferenceDialog.java:1453)
at org.eclipse.jface.preference.PreferenceDialog$13.run(PreferenceDialog.java:1220)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173)
at org.eclipse.jface.preference.PreferenceDialog.showPage(PreferenceDialog.java:1212)
at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.showPage(FilteredPreferenceDialog.java:609)
at org.eclipse.jface.preference.PreferenceDialog$9$1.run(PreferenceDialog.java:676)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
at org.eclipse.jface.preference.PreferenceDialog$9.selectionChanged(PreferenceDialog.java:671)
at org.eclipse.jface.viewers.StructuredViewer$3.run(StructuredViewer.java:877)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173)
at org.eclipse.jface.viewers.StructuredViewer.firePostSelectionChanged(StructuredViewer.java:874)
at org.eclipse.jface.viewers.StructuredViewer.handlePostSelect(StructuredViewer.java:1243)
at org.eclipse.jface.viewers.StructuredViewer$5.widgetSelected(StructuredViewer.java:1269)
at org.eclipse.jface.util.OpenStrategy.firePostSelectionEvent(OpenStrategy.java:265)
at org.eclipse.jface.util.OpenStrategy.access$5(OpenStrategy.java:259)
at org.eclipse.jface.util.OpenStrategy$1$2.run(OpenStrategy.java:440)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:136)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3793)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3431)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:827)
at org.eclipse.jface.window.Window.open(Window.java:803)
at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:211)
at org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.java:63)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:473)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:595)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:511)
at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:420)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4480)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1413)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3818)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3428)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:648)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:592)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138)
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:380)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
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}
> NPE when opening central
> -------------------------
>
> Key: JBIDE-19322
> URL: https://issues.jboss.org/browse/JBIDE-19322
> Project: Tools (JBoss Tools)
> Issue Type: Bug
> Components: central, project-examples
> Affects Versions: 4.3.0.Alpha1
> Reporter: Rastislav Wagner
> Assignee: Fred Bricon
> Fix For: 4.3.0.Alpha2
>
> Attachments: Preferences _002.png
>
>
> I opened central via JBoss Central toolbar item and this NPE occured - An internal error occurred during: "Refreshing JBoss Tutorials...". Not always, but every second time.
> {code}
> java.lang.NullPointerException
> at java.util.AbstractCollection.addAll(AbstractCollection.java:343)
> at org.jboss.tools.project.examples.model.ProjectExampleUtil.getUserSites(ProjectExampleUtil.java:210)
> at org.jboss.tools.project.examples.model.ProjectExampleUtil.getSites(ProjectExampleUtil.java:221)
> at org.jboss.tools.project.examples.model.ProjectExampleUtil.getProjects(ProjectExampleUtil.java:257)
> at org.jboss.tools.central.jobs.RefreshTutorialsJob.run(RefreshTutorialsJob.java:52)
> at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
> {code}
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