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Upon every change in a dot file, Eclipse pops up a problem window with: An internal error occurred during: "XtextReconcilerJob". org.apache.log4j.Logger.isTraceEnabled()Z This happens even for the simple example from the Wiki page: digraph s{ n1[label="Node 1"]; n2[label="Node 2"]; n1 -> n2[style=dotted label="A dotted edge"] } The issue has occured after running dot4zest sucessfully for a while, but at some stage Eclipse came up with an Xtext related popup at startup (which I do unfortunately no longer recall), which might have started off the issue.
I'd guess the Xtext-related popup asked you about adding the Xtext nature to your project. For me it works fine both with and without the Xtext nature, but you could try removing it from your project and see if that makes a difference (project context menu > Configure > Remove Xtext Nature).
You were right that the Xtext-related popup probably asked about adding the Xtext nature to the project. Unfortunately, after removing it from the project and restarting Eclipse (the pop-up actually asks me about adding the Xtext nature again, which I decline), the XtextReconcilerJob problem still remains...
Could you attach your workspace/.metadata/.log file and tell me which versions of Xtext and dot4zest you have installed (About Eclipse > Installation Details)?
Created attachment 188300 [details] Exclipse .log
dot4zest: 0.10.0.v20101108-1900 Xtext SDK: 1.0.1.v201008251220
Created attachment 188302 [details] Updated .log I have uninstalled dot4zest, Zest, JET, Xtext, MWE and Xtext Antlr. Removed all the update sites but Eclipse Helios and http://quui.de/updates and started from scratch by installing dot4zest - which should draw in all dependencies, right? The result is now: java.lang.NoSuchFieldError: ruleMemo at org.eclipse.zest.internal.dot.parser.parser.antlr.internal.InternalDotParser.<init>(InternalDotParser.java:43) at org.eclipse.zest.internal.dot.parser.parser.antlr.internal.InternalDotParser.<init>(InternalDotParser.java:60) at org.eclipse.zest.internal.dot.parser.parser.antlr.DotParser.createParser(DotParser.java:40) at org.eclipse.zest.internal.dot.parser.parser.antlr.DotParser.parse(DotParser.java:26) at org.eclipse.xtext.parser.antlr.AbstractAntlrParser.doParse(AbstractAntlrParser.java:57) at org.eclipse.xtext.parser.AbstractParser.parse(AbstractParser.java:46) at org.eclipse.xtext.resource.XtextResource.doLoad(XtextResource.java:146) at org.eclipse.xtext.linking.lazy.LazyLinkingResource.doLoad(LazyLinkingResource.java:63) at org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:1494) at org.eclipse.xtext.ui.editor.model.XtextDocumentProvider.loadResource(XtextDocumentProvider.java:120) at org.eclipse.xtext.ui.editor.model.XtextDocumentProvider.setDocumentContent(XtextDocumentProvider.java:103) at org.eclipse.ui.editors.text.StorageDocumentProvider.createDocument(StorageDocumentProvider.java:229) at org.eclipse.ui.editors.text.FileDocumentProvider.createElementInfo(FileDocumentProvider.java:735) at org.eclipse.xtext.ui.editor.model.XtextDocumentProvider.createElementInfo(XtextDocumentProvider.java:131) at org.eclipse.ui.texteditor.AbstractDocumentProvider.connect(AbstractDocumentProvider.java:400) at org.eclipse.ui.texteditor.AbstractTextEditor.doSetInput(AbstractTextEditor.java:4056) at org.eclipse.ui.texteditor.StatusTextEditor.doSetInput(StatusTextEditor.java:217) at org.eclipse.ui.texteditor.AbstractDecoratedTextEditor.doSetInput(AbstractDecoratedTextEditor.java:1444) at org.eclipse.ui.editors.text.TextEditor.doSetInput(TextEditor.java:169) at org.eclipse.xtext.ui.editor.XtextEditor.doSetInput(XtextEditor.java:149) at org.eclipse.ui.texteditor.AbstractTextEditor$19.run(AbstractTextEditor.java:3043) 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:759) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.jface.window.ApplicationWindow.run(ApplicationWindow.java:756) at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2600) at org.eclipse.ui.texteditor.AbstractTextEditor.internalInit(AbstractTextEditor.java:3061) at org.eclipse.ui.texteditor.AbstractTextEditor.init(AbstractTextEditor.java:3088) at org.eclipse.xtext.ui.editor.XtextEditor.init(XtextEditor.java:169) at org.eclipse.ui.internal.EditorManager.createSite(EditorManager.java:798) at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:647) at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:465) at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595) at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:289) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2863) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2768) at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2760) at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2711) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2707) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2691) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2682) at org.eclipse.ui.ide.IDE.openEditor(IDE.java:651) at org.eclipse.ui.ide.IDE.openEditor(IDE.java:610) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:365) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:168) at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:229) at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:208) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:274) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:250) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerActionGroup.handleOpen(PackageExplorerActionGroup.java:373) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart$4.open(PackageExplorerPart.java:526) at org.eclipse.ui.OpenAndLinkWithEditorHelper$InternalListener.open(OpenAndLinkWithEditorHelper.java:48) at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:845) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:843) at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1131) at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1235) at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:264) at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:258) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:298) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657) 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(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:619) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574) at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
Created attachment 188303 [details] Updated .log
Created attachment 188304 [details] Update after complete reinstall Everything freshly installed, back to the java.lang.NoSuchMethodError: org.apache.log4j.Logger.isTraceEnabled()Z at org.eclipse.xtext.ui.editor.reconciler.XtextReconcilerUnitOfWork.process(XtextReconcilerUnitOfWork.java:47) Anwhere I can reset the dot4zest specific settings??? dot4zest 0.10.0.v20101108-1900 org.eclipse.zest.dot.feature.group Eclipse IDE for Java Developers 1.3.1.20100916-1202 epp.package.java Graphical Editing Framework Zest Visualization Toolkit SDK 1.2.0.v20100519-2050-67908COKMFAKPYIEUdUVWhXYN8VN org.eclipse.zest.sdk.feature.group Jalopy Java Source Code Formatter 0.2.1.5rc3 de.hunsicker.jalopy.plugin.eclipse.feature.group Java Emitter Templates (JET) SDK 1.1.0.v201006011447-42-86A3NrKJOOHXQlFdKR4A35 org.eclipse.jet.sdk.feature.group MWE 2 runtime SDK 1.0.1.v201008251113 org.eclipse.emf.mwe2.runtime.sdk.feature.group MWE SDK 1.0.0.v201008251122 org.eclipse.emf.mwe.sdk.feature.group ResourceBundle Editor Plug-in 0.7.7 com.essiembre.eclipse.i18n.resourcebundle.feature.group Subclipse (Required) 1.6.17 org.tigris.subversion.subclipse.feature.group Subversion Client Adapter (Required) 1.6.12 org.tigris.subversion.clientadapter.feature.feature.group Subversion JavaHL Native Library Adapter (Required) 1.6.15 org.tigris.subversion.clientadapter.javahl.feature.feature.group Xtext Antlr Runtime Feature 1.0.1.v201008261834 de.itemis.xtext.antlr.feature.feature.group Xtext SDK 1.0.1.v201008251220 org.eclipse.xtext.sdk.feature.group
I have downloaded a fresh Helios for Java, installed dot4zest from the external update site and tried the DOT input from your original comment (both in a project with and without the Xtext nature) and I have no issues. This is on Mac Cocoa 64, but it doesn't look like a platform-specific problem to me. Since you're getting java.lang.NoSuchFieldError and java.lang.NoSuchMethodError on dependencies, perhaps there is some different version of a dependency being picked up, perhaps contributed by some other plugin you have installed.
Well, thanks for your help, anyway. I had a colleague install dot4zest on his Helios installation and it worked as well (at least for now). Then, I reverted my own Eclipse installation back to before my dot4zest installation (I had only updated Subclipse from 1.6.15 to 1.6.17 in the meantime) and reinstalled dot4zest on that old configuration. No change sadly enough, sigh... A completely fresh installation of Helios seems to have done the trick - I can only assume some JAR in the plugins sub-directory (which I had cleaned out as well) was still being picked up by Xtext unintentionally.
