Scala worksheet version/compatibility with Scala IDE

[adrians]

I'm trying to use the nightly Scala-IDE from the nightly update site at:

http://download.scala-ide.org/nightly-scala-ide-4.0.x-210x

Since this update site doesn't seem to include Scala Worksheet, Scala Search, I'm using the following update sites for these:

http://download.scala-ide.org/nightly-update-worksheet-scalaide40-210/site/ (from the Worksheet wiki)
http://download.scala-ide.org/nightly-update-scala-search-scalaide-master-210/site

With this combination, I get the following exception when I try to invoke completion in a worksheet:


eclipse.buildId=4.3.0.M20130911-1000
java.version=1.7.0_40
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Framework arguments:  -product org.eclipse.epp.package.standard.product
Command-line arguments:  -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.standard.product

Error
Thu Oct 10 14:38:29 EDT 2013


org.eclipse.e4.core.di.InjectionException: java.lang.NoSuchMethodError: scala.tools.eclipse.InteractiveCompilationUnit$class.withSourceFile(Lscala/tools/eclipse/InteractiveCompilationUnit;Lscala/Function2;Lscala/Function0;)Ljava/lang/Object;
    at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:63)
    at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:243)
    at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:224)
    at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)
    at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:167)
    at org.eclipse.core.commands.Command.executeWithChecks(Command.java:499)
    at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
    at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:213)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:285)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:504)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:555)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:376)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.access$0(KeyBindingDispatcher.java:322)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:84)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1262)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1056)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1081)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1066)
    at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1108)
    at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1104)
    at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1525)
    at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:4723)
    at org.eclipse.swt.widgets.Canvas.WM_CHAR(Canvas.java:344)
    at org.eclipse.swt.widgets.Control.windowProc(Control.java:4611)
    at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:340)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:4977)
    at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
    at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2549)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3757)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997)
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138)
    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:610)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
Caused by: java.lang.NoSuchMethodError: scala.tools.eclipse.InteractiveCompilationUnit$class.withSourceFile(Lscala/tools/eclipse/InteractiveCompilationUnit;Lscala/Function2;Lscala/Function0;)Ljava/lang/Object;
    at org.scalaide.worksheet.ScriptCompilationUnit.withSourceFile(ScriptCompilationUnit.scala:27)
    at org.scalaide.worksheet.completion.CompletionProposalComputer.computeCompletionProposals(CompletionProposalComputer.scala:31)
    at org.eclipse.jface.text.contentassist.ContentAssistant.computeCompletionProposals(ContentAssistant.java:1839)
    at org.eclipse.jface.text.contentassist.CompletionProposalPopup.computeProposals(CompletionProposalPopup.java:566)
    at org.eclipse.jface.text.contentassist.CompletionProposalPopup.access$16(CompletionProposalPopup.java:563)
    at org.eclipse.jface.text.contentassist.CompletionProposalPopup$2.run(CompletionProposalPopup.java:498)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
    at org.eclipse.jface.text.contentassist.CompletionProposalPopup.showProposals(CompletionProposalPopup.java:492)
    at org.eclipse.jface.text.contentassist.ContentAssistant.showPossibleCompletions(ContentAssistant.java:1665)
    at org.eclipse.jface.text.source.SourceViewer.doOperation(SourceViewer.java:932)
    at org.eclipse.ui.texteditor.ContentAssistAction$1.run(ContentAssistAction.java:82)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
    at org.eclipse.ui.texteditor.ContentAssistAction.run(ContentAssistAction.java:80)
    at org.eclipse.jface.action.Action.runWithEvent(Action.java:499)
    at org.eclipse.jface.commands.ActionHandler.execute(ActionHandler.java:119)
    at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90)
    at sun.reflect.GeneratedMethodAccessor29.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
    ... 50 more



Is the Worksheet version at the above URL in sync with the nightly Scala IDE at this point? If not, what is the appropriate update site for nightly Worksheet (and Search, Scala Test, etc.) ? Also, if any of the URLs given in the respective wikis are outdated, it might be worth removing them so as to not cause confusion.

-- Adrian

[Mirco Dotta]

Hi,

The issue is that the latest available Worksheet nightly is not binary compatible with the latest Scala IDE master.

This PR will fix the issue https://github.com/scala-ide/scala-worksheet/pull/162

-- Mirco

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---------------

Mirco Dotta

PSE-D, 1015 Lausanne, Switzerland

Twitter: @mircodotta

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