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This bugzilla is created to manage issue of https://bugs.eclipse.org/bugs/show_bug.cgi?id=447865 . I can't reproduce the exception of https://bugs.eclipse.org/bugs/show_bug.cgi?id=447865 but indeed there is an issue because even if IResource.exists() return true, the file behind could be inexistant because the IResource is not refreshed. Then before calling IResource.exists() we must call IResource.refreshLocal(IResource. With the following scenario which could reproduce the initial exception, I get another exception : 1. Import BigModel project example from https://bugs.eclipse.org/bugs/show_bug.cgi?id=449962 2. Convert it to a Modeling Project 3. Open a represenation, save and exit Eclipse 4. Outside Eclipse remove the .aird file 5. Restart Eclipse and you get the following exception : java.io.FileNotFoundException: /home/esteban/Obeo/runtime-New_configuration/BigModel/MyBig.aird (Aucun fichier ou dossier de ce type) at java.io.FileInputStream.open(Native Method) at java.io.FileInputStream.<init>(FileInputStream.java:140) at org.eclipse.sirius.business.internal.session.parser.RepresentationsFileSaxParser.analyze(RepresentationsFileSaxParser.java:70) at org.eclipse.sirius.business.internal.query.ModelingProjectQuery.computeMainRepresentationsFileURI(ModelingProjectQuery.java:92) at org.eclipse.sirius.business.api.modelingproject.ModelingProject.getMainRepresentationsFileURI(ModelingProject.java:221) at org.eclipse.sirius.business.api.modelingproject.ModelingProject.getMainRepresentationsFileURI(ModelingProject.java:183) at org.eclipse.sirius.business.api.modelingproject.ModelingProject.getSession(ModelingProject.java:157) at org.eclipse.sirius.ui.tools.internal.views.common.navigator.SiriusCommonLabelProvider.getText(SiriusCommonLabelProvider.java:181) at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.findStyledText(NavigatorContentServiceLabelProvider.java:171) at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.getStyledText(NavigatorContentServiceLabelProvider.java:151) at org.eclipse.ui.internal.navigator.NavigatorDecoratingLabelProvider$StyledLabelProviderAdapter.getStyledText(NavigatorDecoratingLabelProvider.java:67) at org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.getStyledText(DelegatingStyledCellLabelProvider.java:206) at org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider.getStyledText(DecoratingStyledCellLabelProvider.java:199) at org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.update(DelegatingStyledCellLabelProvider.java:106) at org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider.update(DecoratingStyledCellLabelProvider.java:136) at org.eclipse.jface.viewers.ViewerColumn.refresh(ViewerColumn.java:154) at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:949) at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run(AbstractTreeViewer.java:114) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:178) at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:1029) at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run(StructuredViewer.java:472)
https://git.eclipse.org/r/36420 has been raised
This Gerrit avoid the exception, but there is yet diagram editor opened with a GMF note. We could avoid this if editor opening could be cancelled, see https://bugs.eclipse.org/bugs/show_bug.cgi?id=451376 .
Doing refresh of workspace when being in a ResourceDeltaVisitor display "The resource tree is locked for modifications" log. It is because we change the workspace outside of WorkspaceModifyOperation : org.eclipse.core.internal.resources.ResourceException: The resource tree is locked for modifications. at org.eclipse.core.internal.resources.WorkManager.checkIn(WorkManager.java:116) at org.eclipse.core.internal.resources.Workspace.prepareOperation(Workspace.java:2251) at org.eclipse.core.internal.resources.Resource.refreshLocal(Resource.java:1697) at org.eclipse.sirius.common.tools.api.util.WorkspaceUtil.getWorkspaceFiles(WorkspaceUtil.java:94) at org.eclipse.sirius.common.tools.api.util.WorkspaceUtil.getFilesFromWorkspace(WorkspaceUtil.java:59) at org.eclipse.sirius.business.internal.query.ModelingProjectQuery.getRepresentationFiles(ModelingProjectQuery.java:67) at org.eclipse.sirius.business.internal.query.ModelingProjectQuery.computeMainRepresentationsFileURI(ModelingProjectQuery.java:87) at org.eclipse.sirius.business.api.modelingproject.ModelingProject.getMainRepresentationsFileURI(ModelingProject.java:221) at org.eclipse.sirius.business.api.modelingproject.ModelingProject.getMainRepresentationsFileURI(ModelingProject.java:183) at org.eclipse.sirius.business.api.modelingproject.ModelingProject.getSession(ModelingProject.java:157) at org.eclipse.sirius.ui.tools.api.views.modelexplorerview.resourcelistener.ResourceDeltaVisitor.visitFile(ResourceDeltaVisitor.java:181) at org.eclipse.sirius.ui.tools.api.views.modelexplorerview.resourcelistener.ResourceDeltaVisitor.visit(ResourceDeltaVisitor.java:88) at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:69) at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:80) at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:80) at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:49) at org.eclipse.sirius.ui.tools.api.views.modelexplorerview.resourcelistener.DefaultModelingProjectResourceListener.resourceChanged(DefaultModelingProjectResourceListener.java:81) at fr.obeo.dsl.viewpoint.collab.ui.internal.views.SharedModelingProjectResourceListener.resourceChanged(SharedModelingProjectResourceListener.java:50) at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:291) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285) at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149) at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:378) at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1498) at org.eclipse.core.internal.resources.Resource.refreshLocal(Resource.java:1718) at org.eclipse.core.internal.resources.File.refreshLocal(File.java:334) at org.eclipse.sirius.common.tools.api.util.WorkspaceUtil.getWorkspaceFiles(WorkspaceUtil.java:94) at org.eclipse.sirius.common.tools.api.util.WorkspaceUtil.getWorkspaceFiles(WorkspaceUtil.java:100) at org.eclipse.sirius.common.tools.api.util.WorkspaceUtil.getFilesFromWorkspace(WorkspaceUtil.java:59) at org.eclipse.sirius.business.internal.query.ModelingProjectQuery.getRepresentationFiles(ModelingProjectQuery.java:67) at org.eclipse.sirius.business.internal.query.ModelingProjectQuery.computeMainRepresentationsFileURI(ModelingProjectQuery.java:87) at org.eclipse.sirius.business.api.modelingproject.ModelingProject.getMainRepresentationsFileURI(ModelingProject.java:221) at org.eclipse.sirius.business.api.modelingproject.ModelingProject.getMainRepresentationsFileURI(ModelingProject.java:183) at org.eclipse.sirius.business.api.modelingproject.ModelingProject.getSession(ModelingProject.java:157) at org.eclipse.sirius.ui.tools.internal.views.common.navigator.SiriusCommonLabelProvider.getText(SiriusCommonLabelProvider.java:181) at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.findStyledText(NavigatorContentServiceLabelProvider.java:171) at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.getStyledText(NavigatorContentServiceLabelProvider.java:151) at org.eclipse.ui.internal.navigator.NavigatorDecoratingLabelProvider$StyledLabelProviderAdapter.getStyledText(NavigatorDecoratingLabelProvider.java:67) at org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.getStyledText(DelegatingStyledCellLabelProvider.java:206) at org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider.getStyledText(DecoratingStyledCellLabelProvider.java:199) at org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.update(DelegatingStyledCellLabelProvider.java:106) at org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider.update(DecoratingStyledCellLabelProvider.java:136) at org.eclipse.jface.viewers.ViewerColumn.refresh(ViewerColumn.java:154) at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:949) at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run(AbstractTreeViewer.java:114) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:178) at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:1029) at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run(StructuredViewer.java:472) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:178) at org.eclipse.jface.viewers.StructuredViewer.updateItem(StructuredViewer.java:2150) at org.eclipse.jface.viewers.AbstractTreeViewer.createTreeItem(AbstractTreeViewer.java:843) at org.eclipse.jface.viewers.AbstractTreeViewer$1.run(AbstractTreeViewer.java:818) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:791) at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:611) at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:762) at org.eclipse.jface.viewers.AbstractTreeViewer.internalInitializeTree(AbstractTreeViewer.java:1543) at org.eclipse.jface.viewers.TreeViewer.internalInitializeTree(TreeViewer.java:790) at org.eclipse.jface.viewers.AbstractTreeViewer$5.run(AbstractTreeViewer.java:1527) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1436) at org.eclipse.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:366) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1397) at org.eclipse.jface.viewers.AbstractTreeViewer.inputChanged(AbstractTreeViewer.java:1519) at org.eclipse.sirius.ui.tools.internal.views.common.navigator.filter.FilteredCommonTree$NotifyingCommonViewer.inputChanged(FilteredCommonTree.java:1152) at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:292) at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1675) at org.eclipse.ui.navigator.CommonNavigator.createPartControl(CommonNavigator.java:212) at org.eclipse.sirius.ui.tools.internal.views.modelexplorer.ModelExplorerView.createPartControl(ModelExplorerView.java:90) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPartControl(CompatibilityPart.java:141) at org.eclipse.ui.internal.e4.compatibility.CompatibilityView.createPartControl(CompatibilityView.java:155) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:327) 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:622) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:888) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:869) at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:120) at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:337) at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:258) at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:104) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:73) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:55) at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:127) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:983) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:662) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$6.run(PartRenderingEngine.java:547) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:531) at org.eclipse.e4.ui.workbench.renderers.swt.ElementReferenceRenderer.createWidget(ElementReferenceRenderer.java:69) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:983) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:662) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:766) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:737) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:731) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:715) at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.showTab(StackRenderer.java:1250) at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer.postProcess(LazyStackRenderer.java:100) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:678) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:766) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:737) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:731) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:715) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:68) at org.eclipse.e4.ui.workbench.renderers.swt.SashRenderer.processContents(SashRenderer.java:185) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:674) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:766) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:737) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:731) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:715) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:68) at org.eclipse.e4.ui.workbench.renderers.swt.SashRenderer.processContents(SashRenderer.java:185) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:674) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:766) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:737) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:731) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:715) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:68) at org.eclipse.e4.ui.workbench.renderers.swt.PerspectiveRenderer.processContents(PerspectiveRenderer.java:49) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:674) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:766) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:737) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:731) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:715) at org.eclipse.e4.ui.workbench.renderers.swt.PerspectiveStackRenderer.showTab(PerspectiveStackRenderer.java:103) at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer.postProcess(LazyStackRenderer.java:100) at org.eclipse.e4.ui.workbench.renderers.swt.PerspectiveStackRenderer.postProcess(PerspectiveStackRenderer.java:77) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:678) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:766) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:737) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:731) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:715) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:68) at org.eclipse.e4.ui.workbench.renderers.swt.SashRenderer.processContents(SashRenderer.java:185) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:674) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:766) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:737) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:731) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:715) at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:68) at org.eclipse.e4.ui.workbench.renderers.swt.WBWRenderer.processContents(WBWRenderer.java:664) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:674) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:766) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:737) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:731) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:715) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1078) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:622) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) A more deep change is needed to avoid this exception.
Even if we don't refresh IResource in MarkerUtil/WorkspaceUtil, there remains others path where IResource.refresh() is called outside WorkspaceModifyOperation, for example with memento to opened dialect editor at startup : File(Resource).refreshLocal(int, IProgressMonitor) line: 1714 File.refreshLocal(int, IProgressMonitor) line: 333 PlatformResourceURIHandlerImpl$WorkbenchHelper.createPlatformResourceInputStream(String, Map<?,?>) line: 200 PlatformResourceURIHandlerImpl.createInputStream(URI, Map<?,?>) line: 482 ExtensibleURIConverterImpl.createInputStream(URI, Map<?,?>) line: 354 ExtensibleURIConverterImpl.createInputStream(URI) line: 348 RepresentationsFileVersionSAXParser(AbstractVersionSAXParser).getVersion(IProgressMonitor) line: 73 AirDResourceFactory.createResource(URI) line: 101 ResourceSetImpl.createResource(URI, String) line: 434 ResourceSetImpl.createResource(URI) line: 423 CollaborativeSessionFactoryImpl.createSessionResource(URI, TransactionalEditingDomain, Class<?>, IProgressMonitor) line: 239 CollaborativeSessionFactoryImpl.createCollaborativeSession(URI, IProgressMonitor) line: 99 CollaborativeSessionFactoryImpl.createSession(URI, IProgressMonitor) line: 76 SessionManagerImpl.getSession(URI, IProgressMonitor) line: 286 SessionEditorInput.getSession(URI) line: 166 SessionEditorInput.loadState(IMemento) line: 150 SessionEditorInput(URIEditorInput).<init>(IMemento) line: 54 SessionEditorInput.<init>(IMemento) line: 84 NativeConstructorAccessorImpl.newInstance0(Constructor, Object[]) line: not available [native method]
A better fix instead of calling IResource.refreshLocal() in WorkspaceUtil is to have callers of this WorkspaceUtil.getFilesFromWorkspace() check that returned IFile has corresponding java.io.File.
