Help with Eclipse plug-in 2.7.4.final

Hello there:

I am having some trouble with the Scala Eclipse plug-in. I have installed a brand new eclipse version 3.4.2 exclusively just for the said plug-in. Following is some information about my environment:

OS: Linux Ubuntu 8.10
Java version: 1.6.0_10
Eclipse Version: 3.4.2 Build id: M20090211-1700
Scala Plugin: 2.7.4.final

As per instructions from the “Scala IDE for Eclipse” section in scala-lang.org, I got as far as step #3 in the “Test Example” section: 'Create a Scala object "HelloWorld" with main method'.

After I click Finish, I see the editor window come up with the title “HelloWorld.scala” but instead of having the expected source, I get an error followed by a stack trace (shown at the end of this message).

Can someone please provide some advise on what I'm missing or an alternative to get passed this road block?

Thanks in advanced.

J.
-------

Could not open the editor: An exception was thrown during initialization

scala.tools.nsc.FatalError: object scala not found.

at scala.tools.nsc.symtab.Definitions$definitions$.getModuleOrClass(Definitions.scala:355)

at scala.tools.nsc.symtab.Definitions$definitions$.getModule(Definitions.scala:326)

at scala.tools.nsc.symtab.Definitions$definitions$.ScalaPackage(Definitions.scala:34)

at scala.tools.nsc.symtab.Definitions$definitions$.ScalaPackageClass(Definitions.scala:35)

at scala.tools.nsc.symtab.Definitions$definitions$.init(Definitions.scala:663)

at scala.tools.nsc.Global$Run.(Global.scala:476)

at scala.tools.nsc.IdeSupport$IdeRun.(IdeSupport.scala:7)

at scala.tools.nsc.IdeSupport$class.loadSource(IdeSupport.scala:20)

at scala.tools.eclipse.ScalaPlugin$ProjectImpl$compiler0$.scala$tools$editor$TypersPresentations$ProjectImpl$Compiler$$super$loadSource(ScalaPlugin.scala:153)

at scala.tools.editor.TypersPresentations$ProjectImpl$Compiler$class.loadSource(TypersPresentations.scala:82)

at scala.tools.eclipse.ScalaPlugin$ProjectImpl$compiler0$.loadSource(ScalaPlugin.scala:153)

at scala.tools.editor.TypersPresentations$ProjectImpl$$anonfun$scala$tools$editor$TypersPresentations$ProjectImpl$$loadSource$1.apply(TypersPresentations.scala:145)

at scala.tools.editor.TypersPresentations$ProjectImpl$$anonfun$scala$tools$editor$TypersPresentations$ProjectImpl$$loadSource$1.apply(TypersPresentations.scala:144)

at lampion.presentation.Presentations$ProjectImpl$class.tryLockTyper(Presentations.scala:315)

at scala.tools.eclipse.Driver$Project.tryLockTyper(Driver.scala:16)

at scala.tools.editor.TypersPresentations$ProjectImpl$class.scala$tools$editor$TypersPresentations$ProjectImpl$$loadSource(TypersPresentations.scala:144)

at scala.tools.editor.TypersPresentations$ProjectImpl$FileImpl$class.unloadedBody(TypersPresentations.scala:246)

at scala.tools.eclipse.Driver$Project$File.unloadedBody(Driver.scala:21)

at scala.tools.eclipse.ScalaUIPlugin$ProjectImpl$FileImpl$class.outlineTrees(ScalaUIPlugin.scala:88)

at scala.tools.eclipse.Driver$Project$File.outlineTrees(Driver.scala:21)

at scala.tools.eclipse.javaelements.ScalaCompilationUnit$$anonfun$1.apply(ScalaCompilationUnit.scala:48)

at scala.tools.eclipse.javaelements.ScalaCompilationUnit$$anonfun$1.apply(ScalaCompilationUnit.scala:48)

at scala.Option.map(Option.scala:70)

at scala.tools.eclipse.javaelements.ScalaCompilationUnit.buildStructure(ScalaCompilationUnit.scala:48)

at org.eclipse.jdt.internal.core.Openable.generateInfos(Openable.java:257)

at scala.tools.eclipse.javaelements.ScalaCompilationUnit.generateInfos(ScalaCompilationUnit.scala:40)

at org.eclipse.jdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:514)

at org.eclipse.jdt.internal.core.BecomeWorkingCopyOperation.executeOperation(BecomeWorkingCopyOperation.java:38)

at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:716)

at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:777)

at org.eclipse.jdt.internal.core.CompilationUnit.becomeWorkingCopy(CompilationUnit.java:100)

at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitDocumentProvider.createFileInfo(CompilationUnitDocumentProvider.java:982)

at org.eclipse.ui.editors.text.TextFileDocumentProvider.connect(TextFileDocumentProvider.java:476)

at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitDocumentProvider.connect(CompilationUnitDocumentProvider.java:1197)

at org.eclipse.ui.texteditor.AbstractTextEditor.doSetInput(AbstractTextEditor.java:3991)

at org.eclipse.ui.texteditor.StatusTextEditor.doSetInput(StatusTextEditor.java:190)

at org.eclipse.ui.texteditor.AbstractDecoratedTextEditor.doSetInput(AbstractDecoratedTextEditor.java:1325)

at org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.internalDoSetInput(JavaEditor.java:2512)

at org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.doSetInput(JavaEditor.java:2485)

at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor.doSetInput(CompilationUnitEditor.java:1359)

at scala.tools.eclipse.Editor.doSetInput(Editor.scala:26)

at org.eclipse.ui.texteditor.AbstractTextEditor$19.run(AbstractTextEditor.java:3026)

at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464)

at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372)

at org.eclipse.jface.window.ApplicationWindow$1.run(ApplicationWindow.java:758)

at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)

at org.eclipse.jface.window.ApplicationWindow.run(ApplicationWindow.java:755)

at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2487)

at org.eclipse.ui.texteditor.AbstractTextEditor.internalInit(AbstractTextEditor.java:3044)

at org.eclipse.ui.texteditor.AbstractTextEditor.init(AbstractTextEditor.java:3071)

at org.eclipse.ui.internal.EditorManager.createSite(EditorManager.java:799)

at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:643)

at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:428)

at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:594)

at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:306)

at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180)

at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270)

at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)

at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473)

at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1256)

at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1209)

at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1608)

at org.eclipse.ui.internal.PartStack.add(PartStack.java:499)

at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:103)

at org.eclipse.ui.internal.PartStack.add(PartStack.java:485)

at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:112)

at org.eclipse.ui.internal.EditorSashContainer.addEditor(EditorSashContainer.java:63)

at org.eclipse.ui.internal.EditorAreaHelper.addToLayout(EditorAreaHelper.java:217)

at org.eclipse.ui.internal.EditorAreaHelper.addEditor(EditorAreaHelper.java:207)

at org.eclipse.ui.internal.EditorManager.createEditorTab(EditorManager.java:779)

at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:678)

at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:639)

at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2817)

at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2729)

at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2721)

at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2673)

at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)

at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2668)

at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2652)

at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2643)

at org.eclipse.ui.ide.IDE.openEditor(IDE.java:646)

at org.eclipse.ui.ide.IDE.openEditor(IDE.java:605)

at scala.tools.eclipse.wizards.NewResourceWizard$class.performFinish(NewResourceWizard.scala:176)

at scala.tools.eclipse.wizards.NewObjectWizard.performFinish(NewObjectWizard.scala:9)

at org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:742)

at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:373)

at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624)

at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:228)

at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)

at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1158)

at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3401)

at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3033)

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.actions.NewWizardShortcutAction.run(NewWizardShortcutAction.java:135)

at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)

at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:583)

at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:500)

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:1158)

at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3401)

at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3033)

at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2384)

at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2348)

at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2200)

at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:495)

at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)

at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:490)

at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)

at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)

at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193)

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:386)

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:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:549)

at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)

at org.eclipse.equinox.launcher.Main.run(Main.java:1236)

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