Got "unhandled even loop exception" during development with trace below.
Wasn't fatal.
org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.IllegalArgumentException: Argument not valid)
at org.eclipse.swt.SWT.error(SWT.java:4361)
at org.eclipse.swt.SWT.error(SWT.java:4276)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:138)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3946)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3623)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1053)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:942)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:588)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:543)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
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:353)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
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:601)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
at org.eclipse.equinox.launcher.Main.run(Main.java:1438)
Caused by: java.lang.IllegalArgumentException: Argument not valid
at org.eclipse.swt.SWT.error(SWT.java:4342)
at org.eclipse.swt.SWT.error(SWT.java:4276)
at org.eclipse.swt.SWT.error(SWT.java:4247)
at org.eclipse.swt.custom.StyledText.setStyleRanges(StyledText.java:9709)
at org.eclipse.swt.custom.StyledText.replaceStyleRanges(StyledText.java:7726)
at org.eclipse.jface.text.TextViewer.addPresentation(TextViewer.java:4845)
at org.eclipse.jface.text.TextViewer.changeTextPresentation(TextViewer.java:4924)
at org.eclipse.jface.text.presentation.PresentationReconciler.applyTextRegionCollection(PresentationReconciler.java:582)
at org.eclipse.jface.text.presentation.PresentationReconciler.processDamage(PresentationReconciler.java:571)
at org.eclipse.jface.text.presentation.PresentationReconciler.access$3(PresentationReconciler.java:567)
at org.eclipse.jface.text.presentation.PresentationReconciler$InternalListener.textChanged(PresentationReconciler.java:227)
at org.eclipse.jface.text.TextViewer.updateTextListeners(TextViewer.java:2830)
at org.eclipse.jface.text.TextViewer.invalidateTextPresentation(TextViewer.java:3478)
at isabelle.eclipse.ui.editors.TheoryEditor$State$$anonfun$refreshView$1.apply$mcV$sp(TheoryEditor.scala:404)
at isabelle.eclipse.ui.util.SWTUtil$$anonfun$asyncUnlessDisposed$1$$anon$2.run(SWTUtil.scala:27)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
... 23 more
org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.IllegalArgumentException: Argument not valid)
at org.eclipse.swt.SWT.error(SWT.java:4361)
at org.eclipse.swt.SWT.error(SWT.java:4276)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:138)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3946)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3623)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1053)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:942)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:588)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:543)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
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:353)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
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:601)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
at org.eclipse.equinox.launcher.Main.run(Main.java:1438)
Caused by: java.lang.IllegalArgumentException: Argument not valid
at org.eclipse.swt.SWT.error(SWT.java:4342)
at org.eclipse.swt.SWT.error(SWT.java:4276)
at org.eclipse.swt.SWT.error(SWT.java:4247)
at org.eclipse.swt.custom.StyledText.setStyleRanges(StyledText.java:9709)
at org.eclipse.swt.custom.StyledText.replaceStyleRanges(StyledText.java:7726)
at org.eclipse.jface.text.TextViewer.addPresentation(TextViewer.java:4845)
at org.eclipse.jface.text.TextViewer.changeTextPresentation(TextViewer.java:4924)
at org.eclipse.jface.text.presentation.PresentationReconciler.applyTextRegionCollection(PresentationReconciler.java:582)
at org.eclipse.jface.text.presentation.PresentationReconciler.processDamage(PresentationReconciler.java:571)
at org.eclipse.jface.text.presentation.PresentationReconciler.access$3(PresentationReconciler.java:567)
at org.eclipse.jface.text.presentation.PresentationReconciler$InternalListener.textChanged(PresentationReconciler.java:227)
at org.eclipse.jface.text.TextViewer.updateTextListeners(TextViewer.java:2830)
at org.eclipse.jface.text.TextViewer.invalidateTextPresentation(TextViewer.java:3501)
at org.eclipse.jface.text.source.AnnotationPainter.invalidateTextPresentation(AnnotationPainter.java:962)
at org.eclipse.jface.text.source.AnnotationPainter.updatePainting(AnnotationPainter.java:944)
at org.eclipse.jface.text.source.AnnotationPainter.access$1(AnnotationPainter.java:938)
at org.eclipse.jface.text.source.AnnotationPainter$1.run(AnnotationPainter.java:1077)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
... 23 more
Got "unhandled even loop exception" during development with trace below. Wasn't fatal.