Some Eclipse Foundation services are deprecated, or will be soon. Please ensure you've read this important communication.
Bug 311751 - NPE in XtextDocumentProvider.loadResource()
Summary: NPE in XtextDocumentProvider.loadResource()
Status: CLOSED FIXED
Alias: None
Product: TMF
Classification: Modeling
Component: Xtext (show other bugs)
Version: 1.0.0   Edit
Hardware: PC Mac OS X - Carbon (unsup.)
: P3 normal (vote)
Target Milestone: RC1   Edit
Assignee: Jan Koehnlein CLA
QA Contact:
URL:
Whiteboard:
Keywords:
: 311181 (view as bug list)
Depends on:
Blocks:
 
Reported: 2010-05-05 11:06 EDT by Moritz Eysholdt CLA
Modified: 2017-09-19 16:15 EDT (History)
3 users (show)

See Also:
jan: helios+


Attachments

Note You need to log in before you can comment on or make changes to this bug.
Description Moritz Eysholdt CLA 2010-05-05 11:06:54 EDT
To reproduce:

1. install Xtext 1.0.0M7
2. Eclipse->File->New->Xtext Project
3. Open MyDSL.xtext
4. Hyperlink-Navigate to org.eclipse.xtext.common.Terminals

The editor doesn't show the file's contents but this exception:

java.lang.NullPointerException
j.l.String.getBytes(String.java:811)
o.e.xtext.ui.editor.model.XtextDocumentProvider.loadResource(XtextDocumentProvider.java:95)
o.e.xtext.ui.editor.model.XtextDocumentProvider.setDocumentContent(XtextDocumentProvider.java:87)
o.e.ui.editors.text.StorageDocumentProvider.createDocument(StorageDocumentProvider.java:229)
o.e.ui.editors.text.StorageDocumentProvider.createElementInfo(StorageDocumentProvider.java:261)
o.e.ui.editors.text.FileDocumentProvider.createElementInfo(FileDocumentProvider.java:770)
o.e.xtext.ui.editor.model.XtextDocumentProvider.createElementInfo(XtextDocumentProvider.java:106)
o.e.ui.texteditor.AbstractDocumentProvider.connect(AbstractDocumentProvider.java:400)
o.e.ui.texteditor.AbstractTextEditor.doSetInput(AbstractTextEditor.java:4050)
o.e.ui.texteditor.StatusTextEditor.doSetInput(StatusTextEditor.java:217)
o.e.ui.texteditor.AbstractDecoratedTextEditor.doSetInput(AbstractDecoratedTextEditor.java:1444)
o.e.ui.editors.text.TextEditor.doSetInput(TextEditor.java:169)
o.e.xtext.ui.editor.XtextEditor.doSetInput(XtextEditor.java:148)
o.e.ui.texteditor.AbstractTextEditor$19.run(AbstractTextEditor.java:3037)
o.e.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464)
o.e.jface.operation.ModalContext.run(ModalContext.java:372)
o.e.jface.window.ApplicationWindow$1.run(ApplicationWindow.java:759)
o.e.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
o.e.jface.window.ApplicationWindow.run(ApplicationWindow.java:756)
o.e.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2600)
o.e.ui.texteditor.AbstractTextEditor.internalInit(AbstractTextEditor.java:3055)
o.e.ui.texteditor.AbstractTextEditor.init(AbstractTextEditor.java:3082)
o.e.xtext.ui.editor.XtextEditor.init(XtextEditor.java:168)
o.e.ui.internal.EditorManager.createSite(EditorManager.java:798)
o.e.ui.internal.EditorReference.createPartHelper(EditorReference.java:647)
o.e.ui.internal.EditorReference.createPart(EditorReference.java:465)
o.e.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)
o.e.ui.internal.EditorReference.getEditor(EditorReference.java:289)
o.e.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2863)
o.e.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2768)
o.e.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2760)
o.e.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2711)
o.e.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
o.e.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2707)
o.e.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2691)
o.e.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2674)
o.e.ui.ide.IDE.openEditor(IDE.java:439)
o.e.xtext.ui.editor.LanguageSpecificURIEditorOpener.open(LanguageSpecificURIEditorOpener.java:79)
o.e.xtext.ui.editor.LanguageSpecificURIEditorOpener.open(LanguageSpecificURIEditorOpener.java:69)
o.e.xtext.ui.editor.GlobalURIEditorOpener.open(GlobalURIEditorOpener.java:58)
o.e.xtext.ui.editor.hyperlinking.XtextHyperlink.open(XtextHyperlink.java:26)
o.e.jface.text.hyperlink.HyperlinkManager.mouseUp(HyperlinkManager.java:419)
o.e.swt.widgets.TypedListener.handleEvent(TypedListener.java:213)
o.e.swt.widgets.EventTable.sendEvent(EventTable.java:84)
o.e.swt.widgets.Display.sendEvent(Display.java:3734)
o.e.swt.widgets.Widget.sendEvent(Widget.java:1335)
o.e.swt.widgets.Widget.sendEvent(Widget.java:1358)
o.e.swt.widgets.Widget.sendEvent(Widget.java:1343)
o.e.swt.widgets.Widget.notifyListeners(Widget.java:1155)
o.e.swt.widgets.Display.runDeferredEvents(Display.java:3594)
o.e.swt.widgets.Display.readAndDispatch(Display.java:3250)
o.e.ui.internal.Workbench.runEventLoop(Workbench.java:2601)
o.e.ui.internal.Workbench.runUI(Workbench.java:2565)
o.e.ui.internal.Workbench.access$4(Workbench.java:2399)
o.e.ui.internal.Workbench$7.run(Workbench.java:669)
o.e.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
o.e.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:662)
o.e.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
o.e.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
o.e.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
o.e.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
o.e.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
o.e.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)
o.e.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
s.r.NativeMethodAccessorImpl.invoke0(Native Method)
s.r.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
s.r.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
j.l.reflect.Method.invoke(Method.java:592)
o.e.equinox.launcher.Main.invokeFramework(Main.java:619)
o.e.equinox.launcher.Main.basicRun(Main.java:574)
o.e.equinox.launcher.Main.run(Main.java:1407)
Comment 1 Moritz Eysholdt CLA 2010-05-05 11:22:55 EDT
A look at the core reveals that the evil null value is returned from org.eclipse.ui.editors.text.StorageDocumentProvider.getEncoding(Object)
Comment 2 Jan Koehnlein CLA 2010-05-05 11:30:09 EDT
Fixed in HEAD: Use IEncodingProvider to find encoding for IStorageEditorInputs.
Comment 3 Jan Koehnlein CLA 2010-05-05 11:30:39 EDT
Fixed
Comment 4 Jan Koehnlein CLA 2010-05-06 04:51:33 EDT
*** Bug 311181 has been marked as a duplicate of this bug. ***
Comment 5 Karsten Thoms CLA 2017-09-19 16:15:30 EDT
Closing bug which were set to RESOLVED before Eclipse Neon.0.