<div dir="ltr"><div>I use Eclipse on Windows, this has similar issues where it periodically gets upset with missing JDK libraries such as java.util.HashMap. It is
usually fixed by refresh project, close project, wipe the eclipse build directories manually and then re-open project.</div><div><br></div><div>Duncan<br></div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, 13 May 2024 at 17:05, Maurizio Cimadamore <<a href="mailto:maurizio.cimadamore@oracle.com">maurizio.cimadamore@oracle.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi,<br>
This does seem Eclipse specific.<br>
<br>
For the records, I've tried to download latest Eclipse, and try same <br>
test, but could not reproduce.<br>
<br>
Maurizio<br>
<br>
On 13/05/2024 16:29, Martin Pernollet wrote:<br>
> Hi,<br>
><br>
> When trying to compile the following class :<br>
><br>
> import java.nio.ByteBuffer;<br>
> public class TestBB {<br>
>    public static void main(String[] args) {<br>
>    }<br>
> }<br>
><br>
> The IDE says "The import java.nio.ByteBuffer cannot be resolved".<br>
><br>
> In the meantime I have tried rebuilding from command line with Maven and it surprisingly work (which did not yesterday), so this is most probably an eclipse issue. Maybe the stack trace bellow can help.<br>
><br>
><br>
><br>
> When trying to open the ByteBuffer class from Eclipse IDE I get :<br>
><br>
> Java Model Exception: Error in Java Model (code 969): ByteBuffer.class [in java.nio [in <module:java.base>]] does not exist<br>
>       at org.eclipse.jdt.internal.core.JavaElement.newNotPresentException(JavaElement.java:562)<br>
>       at org.eclipse.jdt.internal.core.ClassFile.getBinaryTypeInfo(ClassFile.java:202)<br>
>       at org.eclipse.jdt.internal.core.ClassFile.buildStructure(ClassFile.java:91)<br>
>       at org.eclipse.jdt.internal.core.Openable.generateInfos(Openable.java:245)<br>
>       at org.eclipse.jdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:585)<br>
>       at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:308)<br>
>       at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:294)<br>
>       at org.eclipse.jdt.internal.core.Openable.getBuffer(Openable.java:275)<br>
>       at org.eclipse.jdt.internal.core.AbstractClassFile.getBuffer(AbstractClassFile.java:248)<br>
>       at org.eclipse.jdt.internal.core.AbstractClassFile.getSourceRange(AbstractClassFile.java:374)<br>
>       at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.probeInputForSource(ClassFileEditor.java:791)<br>
>       at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.doSetInputCached(ClassFileEditor.java:678)<br>
>       at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.lambda$1(ClassFileEditor.java:663)<br>
>       at org.eclipse.jdt.core.JavaCore.lambda$0(JavaCore.java:6142)<br>
>       at org.eclipse.jdt.internal.core.JavaModelManager.callReadOnly(JavaModelManager.java:5824)<br>
>       at org.eclipse.jdt.core.JavaCore.callReadOnly(JavaCore.java:6126)<br>
>       at org.eclipse.jdt.core.JavaCore.runReadOnly(JavaCore.java:6141)<br>
>       at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.doSetInput(ClassFileEditor.java:663)<br>
>       at org.eclipse.ui.texteditor.AbstractTextEditor.lambda$1(AbstractTextEditor.java:3171)<br>
>       at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:434)<br>
>       at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:354)<br>
>       at org.eclipse.ui.internal.WorkbenchWindow.lambda$7(WorkbenchWindow.java:2335)<br>
>       at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)<br>
>       at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2332)<br>
>       at org.eclipse.ui.texteditor.AbstractTextEditor.internalInit(AbstractTextEditor.java:3188)<br>
>       at org.eclipse.ui.texteditor.AbstractTextEditor.init(AbstractTextEditor.java:3213)<br>
>       at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.lambda$0(ClassFileEditor.java:656)<br>
>       at org.eclipse.jdt.core.JavaCore.lambda$0(JavaCore.java:6142)<br>
>       at org.eclipse.jdt.internal.core.JavaModelManager.cacheZipFiles(JavaModelManager.java:5839)<br>
>       at org.eclipse.jdt.internal.core.JavaModelManager.callReadOnly(JavaModelManager.java:5828)<br>
>       at org.eclipse.jdt.core.JavaCore.callReadOnly(JavaCore.java:6126)<br>
>       at org.eclipse.jdt.core.JavaCore.runReadOnly(JavaCore.java:6141)<br>
>       at org.eclipse.jdt.internal.ui.javaeditor.ClassFileEditor.init(ClassFileEditor.java:656)<br>
>       at org.eclipse.ui.internal.EditorReference.initialize(EditorReference.java:353)<br>
>       at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:344)<br>
>       at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)<br>
>       at java.base/java.lang.reflect.Method.invoke(Method.java:580)<br>
>       at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58)<br>
>       at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:976)<br>
>       at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:938)<br>
>       at org.eclipse.e4.core.internal.di.InjectorImpl.internalInject(InjectorImpl.java:138)<br>
>       at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:385)<br>
>       at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:311)<br>
>       at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:203)<br>
>       at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:90)<br>
>       at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:59)<br>
>       at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:42)<br>
>       at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:132)<br>
>       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:991)<br>
>       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:658)<br>
>       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:762)<br>
>       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:727)<br>
>       at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:47)<br>
>       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:711)<br>
>       at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.lambda$0(PartServiceImpl.java:105)<br>
>       at org.eclipse.e4.ui.services.internal.events.UIEventHandler.lambda$0(UIEventHandler.java:38)<br>
>       at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:183)<br>
>       at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133)<br>
>       at org.eclipse.swt.widgets.Display.syncExec(Display.java:5247)<br>
>       at org.eclipse.e4.ui.workbench.swt.DisplayUISynchronize.syncExec(DisplayUISynchronize.java:34)<br>
>       at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:38)<br>
>       at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:206)<br>
>       at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:201)<br>
>       at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)<br>
>       at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)<br>
>       at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151)<br>
>       at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:131)<br>
>       at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:73)<br>
>       at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44)<br>
>       at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55)<br>
>       at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:60)<br>
>       at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:424)<br>
>       at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElementGen(ElementContainerImpl.java:168)<br>
>       at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElement(ElementContainerImpl.java:187)<br>
>       at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.showElementInWindow(ModelServiceImpl.java:654)<br>
>       at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:618)<br>
>       at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:796)<br>
>       at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.bringToTop(PartServiceImpl.java:401)<br>
>       at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1271)<br>
>       at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3228)<br>
>       at org.eclipse.ui.internal.WorkbenchPage.lambda$11(WorkbenchPage.java:3118)<br>
>       at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)<br>
>       at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3116)<br>
>       at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3086)<br>
>       at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3077)<br>
>       at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:383)<br>
>       at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:184)<br>
>       at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:288)<br>
>       at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:254)<br>
>       at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:274)<br>
>       at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:252)<br>
>       at org.eclipse.jdt.internal.ui.packageview.PackageExplorerActionGroup.handleOpen(PackageExplorerActionGroup.java:366)<br>
>       at org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart$3.open(PackageExplorerPart.java:545)<br>
>       at org.eclipse.ui.OpenAndLinkWithEditorHelper$InternalListener.open(OpenAndLinkWithEditorHelper.java:48)<br>
>       at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:799)<br>
>       at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:47)<br>
>       at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:174)<br>
>       at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:796)<br>
>       at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1110)<br>
>       at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:295)<br>
>       at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:330)<br>
>       at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)<br>
>       at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4643)<br>
>       at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1524)<br>
>       at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1547)<br>
>       at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1532)<br>
>       at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1325)<br>
>       at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4410)<br>
>       at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3986)<br>
>       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1151)<br>
>       at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)<br>
>       at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1042)<br>
>       at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:152)<br>
>       at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:639)<br>
>       at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)<br>
>       at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:546)<br>
>       at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:173)<br>
>       at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:152)<br>
>       at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)<br>
>       at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:143)<br>
>       at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:109)<br>
>       at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:439)<br>
>       at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:271)<br>
>       at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)<br>
>       at java.base/java.lang.reflect.Method.invoke(Method.java:580)<br>
>       at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)<br>
>       at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)<br>
>       at org.eclipse.equinox.launcher.Main.run(Main.java:1459)<br>
><br>
><br>
><br>
><br>
> Envoyé avec la messagerie sécurisée Proton Mail.<br>
><br>
> Le lundi 13 mai 2024 à 11:07 AM, Maurizio Cimadamore <<a href="mailto:maurizio.cimadamore@oracle.com" target="_blank">maurizio.cimadamore@oracle.com</a>> a écrit :<br>
><br>
>> Hi Martin,<br>
>> can you please post the error message/stack trace you get in full? The<br>
>> image you sent seems truncated.<br>
>><br>
>> Cheers<br>
>> Maurizio<br>
</blockquote></div>