Failed

org.eclipse.jface.tests.viewers.VirtualTreeViewerTest.testLabelProviderStateChange (from org.eclipse.jface.tests.AllTests)

Error Message

Argument cannot be null

Stacktrace

java.lang.IllegalArgumentException: Argument cannot be null
	at org.eclipse.swt.SWT.error(SWT.java:4903)
	at org.eclipse.swt.SWT.error(SWT.java:4837)
	at org.eclipse.swt.SWT.error(SWT.java:4808)
	at org.eclipse.swt.graphics.GC.setBackground(GC.java:2877)
	at org.eclipse.jface.viewers.internal.ColumnViewerSelectionColorListener.handleEvent(ColumnViewerSelectionColorListener.java:66)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:91)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5855)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1617)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1643)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1626)
	at org.eclipse.swt.widgets.Tree.rendererRender(Tree.java:3279)
	at org.eclipse.swt.widgets.Tree.rendererRenderProc(Tree.java:3139)
	at org.eclipse.swt.widgets.Display.rendererRenderProc(Display.java:1716)
	at org.eclipse.swt.internal.gtk3.GTK3.gtk_main_do_event(Native Method)
	at org.eclipse.swt.widgets.Display.eventProc(Display.java:1598)
	at org.eclipse.swt.internal.gtk3.GTK3.gtk_main_iteration_do(Native Method)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4514)
	at org.eclipse.jface.tests.viewers.ViewerTestCase.processEvents(ViewerTestCase.java:104)
	at org.eclipse.jface.tests.viewers.ViewerTestCase.tearDown(ViewerTestCase.java:147)
	at org.eclipse.jface.tests.viewers.AbstractTreeViewerTest.tearDown(AbstractTreeViewerTest.java:497)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	Suppressed: java.lang.IllegalArgumentException: Argument cannot be null
		... 21 more