"Error while JSDT ClassPath changed" exception occurs when creating/importing thym project ------------------------------------------------------------------------------------------ Key: JBIDE-18969 URL: https://issues.jboss.org/browse/JBIDE-18969 Project: Tools (JBoss Tools) Issue Type: Bug Components: aerogear-hybrid Affects Versions: 4.2.0.Final Reporter: Denis Golovin Assignee: Gorkem Ercan Fix For: 4.2.3.Final Error message is "Error while JSDT ClassPath changed." and stacktrace is: {code}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.Project.setDescription(Project.java:1322) at org.eclipse.core.internal.resources.Project.setDescription(Project.java:1376) at tern.eclipse.ide.core.TernNature.configure(TernNature.java:59) at tern.eclipse.ide.internal.core.IDETernProject.ensureNatureIsConfigured(IDETernProject.java:817) at tern.eclipse.ide.internal.core.IDETernProject.<init>(IDETernProject.java:111) at tern.eclipse.ide.internal.core.IDETernProject.getTernProject(IDETernProject.java:134) at tern.eclipse.ide.core.TernCorePlugin.getTernProject(TernCorePlugin.java:99) at tern.eclipse.ide.jsdt.internal.JSDTClassPathManager.elementChanged(JSDTClassPathManager.java:67) at org.eclipse.wst.jsdt.internal.core.DeltaProcessor$3.run(DeltaProcessor.java:1591) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.wst.jsdt.internal.core.DeltaProcessor.notifyListeners(DeltaProcessor.java:1581) at org.eclipse.wst.jsdt.internal.core.DeltaProcessor.firePostChangeDelta(DeltaProcessor.java:1416) at org.eclipse.wst.jsdt.internal.core.DeltaProcessor.fire(DeltaProcessor.java:1392) at org.eclipse.wst.jsdt.internal.core.DeltaProcessor.resourceChanged(DeltaProcessor.java:1945) at org.eclipse.wst.jsdt.internal.core.DeltaProcessingState.resourceChanged(DeltaProcessingState.java:389) 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.Workspace.run(Workspace.java:2322) at org.eclipse.ui.actions.WorkspaceModifyOperation.run(WorkspaceModifyOperation.java:118) at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:466) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:374) at org.eclipse.jface.wizard.WizardDialog.run(WizardDialog.java:1059) at org.eclipse.thym.ui.wizard.project.NewHybridProjectWizard.performFinish(NewHybridProjectWizard.java:102) at org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:853) at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:438) at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:619) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4454) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1388) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3799) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3409) at org.eclipse.jface.window.Window.runEventLoop(Window.java:832) at org.eclipse.jface.window.Window.open(Window.java:808) at org.jboss.tools.central.editors.GettingStartedPage.openWizard(GettingStartedPage.java:697) at org.jboss.tools.central.editors.GettingStartedPage.access$14(GettingStartedPage.java:682) at org.jboss.tools.central.editors.GettingStartedPage$7.linkActivated(GettingStartedPage.java:636) at org.eclipse.ui.forms.widgets.AbstractHyperlink.handleActivate(AbstractHyperlink.java:233) at org.eclipse.ui.forms.widgets.ImageHyperlink.handleActivate(ImageHyperlink.java:199) at org.eclipse.ui.forms.widgets.AbstractHyperlink.handleMouseUp(AbstractHyperlink.java:327) at org.eclipse.ui.forms.widgets.AbstractHyperlink.access$2(AbstractHyperlink.java:311) at org.eclipse.ui.forms.widgets.AbstractHyperlink$4.handleEvent(AbstractHyperlink.java:125) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4454) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1388) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3799) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3409) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151) 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:606) 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){code}