partService.showPart(MyView.ID, PartState.ACTIVATE);

String id = MyMultiView.ID +Math.random();		

ResourceManager.openView(partService,MyMultiView.ID,id);

2016-05-09 11:55:47.502:WARN:oejs.ServletHandler:qtp220570133-48: ERROR:  /Bacnet
org.eclipse.swt.SWTException: Widget is disposed
	at org.eclipse.swt.SWT.error(SWT.java:3658)
	at org.eclipse.swt.SWT.error(SWT.java:3581)
	at org.eclipse.swt.SWT.error(SWT.java:3552)
	at org.eclipse.swt.widgets.Widget.error(Widget.java:1038)
	at org.eclipse.swt.widgets.Widget.getDisplay(Widget.java:416)
	at org.eclipse.swt.widgets.Widget.isValidThread(Widget.java:993)
	at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:976)
	at org.eclipse.swt.widgets.Control.getParent(Control.java:218)
	at org.eclipse.rap.rwt.internal.lifecycle.ControlLCAUtil.renderParent(ControlLCAUtil.java:142)
	at org.eclipse.swt.internal.widgets.displaykit.DisplayLCA.renderReparentControls(DisplayLCA.java:175)
	at org.eclipse.swt.internal.widgets.displaykit.DisplayLCA.render(DisplayLCA.java:92)
	at org.eclipse.rap.rwt.internal.lifecycle.Render.execute(Render.java:29)
	at org.eclipse.rap.rwt.internal.lifecycle.RWTLifeCycle.continueLifeCycle(RWTLifeCycle.java:149)
	at org.eclipse.rap.rwt.internal.lifecycle.RWTLifeCycle.sleep(RWTLifeCycle.java:223)
	at org.eclipse.swt.widgets.Display.sleep(Display.java:1257)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4$1.eventLoopIdle(PartRenderingEngine.java:1091)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1117)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:994)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)
	at org.eclipse.rap.e4.E4EntryPointFactory.createWorkbench(E4EntryPointFactory.java:85)
	at org.eclipse.rap.e4.E4EntryPointFactory.access$0(E4EntryPointFactory.java:58)
	at org.eclipse.rap.e4.E4EntryPointFactory$1.createUI(E4EntryPointFactory.java:49)
	at org.eclipse.rap.rwt.internal.lifecycle.RWTLifeCycle.createUI(RWTLifeCycle.java:171)
	at org.eclipse.rap.rwt.internal.lifecycle.RWTLifeCycle$UIThreadController.run(RWTLifeCycle.java:283)
	at java.lang.Thread.run(Thread.java:745)
	at org.eclipse.rap.rwt.internal.lifecycle.UIThread.run(UIThread.java:104)

@Focus
void grantFocus() {
	System.out.println("Set focus init");
        scrolledComposite.setFocus();
	System.out.println("post focus");
}