[jbosstools-issues] [JBoss JIRA] (JBIDE-18600) NPE occurs in EclipseResourceUtil in case Project navigator contains elements that doesn't map to local file system

[Vlado Pakan (JIRA)]

    [ https://issues.jboss.org/browse/JBIDE-18600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13041055#comment-13041055 ] 

Vlado Pakan commented on JBIDE-18600:
-------------------------------------

Please provide more detailed steps to verify this issue.

> NPE occurs in EclipseResourceUtil in case Project navigator contains elements that doesn't map to local file system
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: JBIDE-18600
>                 URL: https://issues.jboss.org/browse/JBIDE-18600
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: common/jst/core
>    Affects Versions: 4.2.0.CR2
>            Reporter: Denis Golovin
>            Assignee: Viacheslav Kabanovich
>            Priority: Minor
>             Fix For: 4.3.0.Alpha1
>
>
> {code}java.lang.NullPointerException
> 	at org.jboss.tools.common.model.util.EclipseResourceUtil.createObjectForResource(EclipseResourceUtil.java:367)
> 	at org.jboss.tools.jst.web.ui.navigator.XContentProvider.hasChildren(XContentProvider.java:96)
> 	at org.eclipse.ui.internal.navigator.extensions.SafeDelegateTreeContentProvider.hasChildren(SafeDelegateTreeContentProvider.java:110)
> 	at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.callNormalHasChildren(NavigatorContentServiceContentProvider.java:430)
> 	at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.access$4(NavigatorContentServiceContentProvider.java:425)
> 	at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider$3.run(NavigatorContentServiceContentProvider.java:395)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.hasChildren(NavigatorContentServiceContentProvider.java:381)
> 	at org.eclipse.ui.internal.navigator.NavigatorContentServiceContentProvider.hasChildren(NavigatorContentServiceContentProvider.java:422)
> 	at org.eclipse.jface.viewers.AbstractTreeViewer.isExpandable(AbstractTreeViewer.java:2133)
> 	at org.eclipse.jface.viewers.TreeViewer.isExpandable(TreeViewer.java:553)
> 	at org.eclipse.jface.viewers.AbstractTreeViewer.isExpandable(AbstractTreeViewer.java:2171)
> 	at org.eclipse.jface.viewers.AbstractTreeViewer.updatePlus(AbstractTreeViewer.java:2863)
> 	at org.eclipse.jface.viewers.TreeViewer.updatePlus(TreeViewer.java:804)
> 	at org.eclipse.jface.viewers.AbstractTreeViewer.createTreeItem(AbstractTreeViewer.java:844)
> 	at org.eclipse.jface.viewers.AbstractTreeViewer$1.run(AbstractTreeViewer.java:818)
> 	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.handleTreeExpand(AbstractTreeViewer.java:1495)
> 	at org.eclipse.jface.viewers.TreeViewer.handleTreeExpand(TreeViewer.java:903)
> 	at org.eclipse.jface.viewers.AbstractTreeViewer$4.treeExpanded(AbstractTreeViewer.java:1507)
> 	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:132)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> 	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4486)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1388)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1412)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1397)
> 	at org.eclipse.swt.widgets.Tree.gtk_test_expand_row(Tree.java:2084)
> 	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2130)
> 	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4706)
> 	at org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(Native Method)
> 	at org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(OS.java:9074)
> 	at org.eclipse.swt.widgets.Display.eventProc(Display.java:1253)
> 	at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method)
> 	at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS.java:2473)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3439)
> 	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
> 	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
> 	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
> 	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
> 	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
> 	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:382)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:236)
> 	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:606)
> 	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}



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