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Bug 338100

Summary:	Reaching code that should never get executed by chain completion
Product:	z_Archived	Reporter:	Johannes Lerch <lerch>
Component:	Recommenders	Assignee:	Marcel Bruch <marcel.bruch>
Status:	CLOSED FIXED	QA Contact:
Severity:	normal
Priority:	P3
Version:	unspecified
Target Milestone:	---
Hardware:	PC
OS:	Windows 7
Whiteboard:

Description Johannes Lerch

2011-02-24 10:22:29 EST

Triggering completion in class CompletionOnLocalFromNestedAnonymousClass of fixture project org.eclipse.recommenders.tests.fixtures.rcp.codecompletion.templates results in the following log entry:

java.lang.IllegalStateException: reached code that should never get executed.
	at org.eclipse.recommenders.commons.utils.Throws.throwUnreachable(Throws.java:50)
	at org.eclipse.recommenders.internal.rcp.analysis.LazyClassHierarchy.loadFromProjectOutputLocation(LazyClassHierarchy.java:181)
	at org.eclipse.recommenders.internal.rcp.analysis.LazyClassHierarchy.lookupClass(LazyClassHierarchy.java:128)
	at org.eclipse.recommenders.internal.rcp.analysis.WalaClassHierarchyService.getType(WalaClassHierarchyService.java:163)
	at org.eclipse.recommenders.internal.rcp.codecompletion.chain.algorithm.ChainCompletionContext.toWalaClass(ChainCompletionContext.java:79)
	at org.eclipse.recommenders.internal.rcp.codecompletion.chain.algorithm.ChainCompletionContext.findEnclosingClass(ChainCompletionContext.java:67)
	at org.eclipse.recommenders.internal.rcp.codecompletion.chain.algorithm.ChainCompletionContext.initializeAccessibleElements(ChainCompletionContext.java:51)
	at org.eclipse.recommenders.internal.rcp.codecompletion.chain.algorithm.ChainCompletionContext.<init>(ChainCompletionContext.java:47)
	at org.eclipse.recommenders.internal.rcp.codecompletion.chain.algorithm.ChainingAlgorithm.initializeChainCompletionContext(ChainingAlgorithm.java:74)
	at org.eclipse.recommenders.internal.rcp.codecompletion.chain.algorithm.ChainingAlgorithm.execute(ChainingAlgorithm.java:64)
	at org.eclipse.recommenders.internal.rcp.codecompletion.chain.ChainCompletionProposalComputer.executeAlgorithm(ChainCompletionProposalComputer.java:79)
	at org.eclipse.recommenders.internal.rcp.codecompletion.chain.ChainCompletionProposalComputer.doComputeCompletionProposals(ChainCompletionProposalComputer.java:68)
	at org.eclipse.recommenders.internal.rcp.codecompletion.chain.ChainCompletionProposalComputer.computeCompletionProposals(ChainCompletionProposalComputer.java:59)
	at org.eclipse.jdt.internal.ui.text.java.CompletionProposalComputerDescriptor.computeCompletionProposals(CompletionProposalComputerDescriptor.java:316)
	at org.eclipse.jdt.internal.ui.text.java.CompletionProposalCategory.computeCompletionProposals(CompletionProposalCategory.java:264)
	at org.eclipse.jdt.internal.ui.text.java.ContentAssistProcessor.collectProposals(ContentAssistProcessor.java:286)
	at org.eclipse.jdt.internal.ui.text.java.ContentAssistProcessor.computeCompletionProposals(ContentAssistProcessor.java:246)
	at org.eclipse.jface.text.contentassist.ContentAssistant.computeCompletionProposals(ContentAssistant.java:1834)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.computeProposals(CompletionProposalPopup.java:556)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.access$16(CompletionProposalPopup.java:553)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup$2.run(CompletionProposalPopup.java:488)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.showProposals(CompletionProposalPopup.java:482)
	at org.eclipse.jface.text.contentassist.ContentAssistant.showPossibleCompletions(ContentAssistant.java:1660)
	at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor$AdaptedSourceViewer.doOperation(CompilationUnitEditor.java:182)
	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:498)
	at org.eclipse.ui.commands.ActionHandler.execute(ActionHandler.java:185)
	at org.eclipse.ui.internal.handlers.LegacyHandlerWrapper.execute(LegacyHandlerWrapper.java:109)
	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)
	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
	at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:468)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:786)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:885)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:567)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:508)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:123)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1253)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1052)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1103)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1099)
	at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1508)
	at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:4268)
	at org.eclipse.swt.widgets.Canvas.WM_CHAR(Canvas.java:345)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4160)
	at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4873)
	at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2459)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3655)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
	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:369)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1383)

Comment 1 Johannes Lerch

2011-02-28 10:28:44 EST

fixed

Comment 2 Marcel Bruch

2012-02-02 01:41:32 EST

Closing this issue. Please give latest dev build (v0.5) a try:

http://download.eclipse.org/recommenders/updates/dev/e37/
http://download.eclipse.org/recommenders/updates/dev/e42/

Comment 3 Marcel Bruch

2012-02-02 01:41:53 EST

Closing this issue. Please give latest dev build (v0.5) a try:

http://download.eclipse.org/recommenders/updates/dev/e37/
http://download.eclipse.org/recommenders/updates/dev/e42/