Hovering over Maven elements perhaps needs longer timeout

[eliasbalasis]

On a Maven project with large number of modules, hovering over artifacts and properties in the editor for some modules displays the expected pop-up.

However, on some other modules it times out.
Could not get hover region due to timeout after 1000 milliseconds

java.util.concurrent.TimeoutException
	at java.base/java.util.concurrent.CompletableFuture.timedGet(CompletableFuture.java:1960)
	at java.base/java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2095)
	at org.eclipse.lsp4e.operations.hover.LSPTextHover.getHoverRegion(LSPTextHover.java:155)
	at org.eclipse.ui.internal.genericeditor.hover.CompositeTextHover.getHoverRegion(CompositeTextHover.java:101)
	at org.eclipse.jface.text.TextViewerHoverManager.computeInformation(TextViewerHoverManager.java:128)
	at org.eclipse.jface.text.AbstractInformationControlManager.doShowInformation(AbstractInformationControlManager.java:1101)
	at org.eclipse.jface.text.AbstractHoverInformationControlManager$MouseTracker.mouseHover(AbstractHoverInformationControlManager.java:511)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:212)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4273)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1066)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4071)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3659)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1155)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:342)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:648)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:342)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:555)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:173)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:152)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1459)

Could not get hover information due to timeout after 1000 milliseconds

java.util.concurrent.TimeoutException
	at java.base/java.util.concurrent.CompletableFuture.timedGet(CompletableFuture.java:1960)
	at java.base/java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2095)
	at org.eclipse.lsp4e.operations.hover.LSPTextHover.getHoverInfo(LSPTextHover.java:76)
	at org.eclipse.ui.internal.genericeditor.hover.CompositeTextHover.getHoverInfo2(CompositeTextHover.java:60)
	at org.eclipse.jface.text.TextViewerHoverManager$1.run(TextViewerHoverManager.java:155)

Perhaps the 1000 milliseconds timeout needs to be increased.

Is this controlled anywhere in the Eclipse preferences ?

[mickaelistria]

This is a client-side error, it should then be reported to m2e or LSP4E.