Bankrupcy history.brl file from Guvnor examples is not opened properl
When trying to open this file JBT display this error:

Could not open the editor: org.drools.guvnor.client.modeldriven.brl.CompositeFieldConstraint cannot be cast to org.drools.guvnor.client.modeldriven.brl.SingleFieldConstraint

Error log:

java.lang.ClassCastException: org.drools.guvnor.client.modeldriven.brl.CompositeFieldConstraint cannot be cast to org.drools.guvnor.client.modeldriven.brl.SingleFieldConstraint
at org.drools.eclipse.rulebuilder.ui.FactPatternWidget.hasChildren(FactPatternWidget.java:556)
at org.drools.eclipse.rulebuilder.ui.FactPatternWidget.createConstraintRow(FactPatternWidget.java:333)
at org.drools.eclipse.rulebuilder.ui.FactPatternWidget.renderSingleFieldConstraint(FactPatternWidget.java:295)
at org.drools.eclipse.rulebuilder.ui.FactPatternWidget.renderFieldConstraints(FactPatternWidget.java:187)
at org.drools.eclipse.rulebuilder.ui.FactPatternWidget.addNestedElements(FactPatternWidget.java:270)
at org.drools.eclipse.rulebuilder.ui.FactPatternWidget.compositeFieldConstraintEditor(FactPatternWidget.java:244)
at org.drools.eclipse.rulebuilder.ui.FactPatternWidget.renderFieldConstraints(FactPatternWidget.java:194)
at org.drools.eclipse.rulebuilder.ui.FactPatternWidget.create(FactPatternWidget.java:114)
at org.drools.eclipse.rulebuilder.ui.FactPatternWidget.<init>(FactPatternWidget.java:80)
at org.drools.eclipse.rulebuilder.ui.CompositeFactPatternWidget.createFactRows(CompositeFactPatternWidget.java:140)
at org.drools.eclipse.rulebuilder.ui.CompositeFactPatternWidget.create(CompositeFactPatternWidget.java:77)
at org.drools.eclipse.rulebuilder.ui.CompositeFactPatternWidget.<init>(CompositeFactPatternWidget.java:53)
at org.drools.eclipse.rulebuilder.ui.RuleModeller.addCompositeFactPatternWidget(RuleModeller.java:343)
at org.drools.eclipse.rulebuilder.ui.RuleModeller.redrawLhs(RuleModeller.java:268)
at org.drools.eclipse.rulebuilder.ui.RuleModeller.reloadLhs(RuleModeller.java:184)
at org.drools.eclipse.rulebuilder.ui.RuleModeller.reloadWidgets(RuleModeller.java:195)
at org.drools.eclipse.rulebuilder.editors.BrlPage.setModelXML(BrlPage.java:46)
at org.drools.eclipse.rulebuilder.editors.RuleEditor.pageChange(RuleEditor.java:274)
at org.eclipse.ui.part.MultiPageEditorPart.setActivePage(MultiPageEditorPart.java:1076)
at org.eclipse.ui.forms.editor.FormEditor.setActivePage(FormEditor.java:597)
at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:361)
at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:662)
at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:462)
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)
at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:313)
at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180)
at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270)
at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473)
at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1256)
at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1209)
at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1608)
at org.eclipse.ui.internal.PartStack.add(PartStack.java:499)
at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:103)
at org.eclipse.ui.internal.PartStack.add(PartStack.java:485)
at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:112)
at org.eclipse.ui.internal.EditorSashContainer.addEditor(EditorSashContainer.java:63)
at org.eclipse.ui.internal.EditorAreaHelper.addToLayout(EditorAreaHelper.java:225)
at org.eclipse.ui.internal.EditorAreaHelper.addEditor(EditorAreaHelper.java:213)
at org.eclipse.ui.internal.EditorManager.createEditorTab(EditorManager.java:778)
at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:677)
at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:638)
at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2854)
at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2762)
at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2754)
at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2705)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2701)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2685)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2668)
at org.guvnor.tools.utils.PlatformUtils.openEditor(PlatformUtils.java:151)
at org.guvnor.tools.views.RepositoryView.doubleClick(RepositoryView.java:448)
at org.guvnor.tools.views.RepositoryView.access$4(RepositoryView.java:435)
at org.guvnor.tools.views.RepositoryView$7.run(RepositoryView.java:405)
at org.guvnor.tools.views.RepositoryView$9.doubleClick(RepositoryView.java:430)
at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:821)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.runtime.Platform.run(Platform.java:888)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:819)
at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1419)
at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1195)
at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:238)
at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:235)
at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:296)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1176)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3493)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3112)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194)
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:368)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
at org.eclipse.equinox.launcher.Main.main(Main.java:1287)

Steps to reproduce:

1. deploy guvnor to server and start server
2. open guvnor perspective
3. add default guvnor repository connection using Guvnor Repositories view
4. right click on newly created Guvnor connection and open Guvnor Console
5. choose ok to empty login dialog and click yes to install Guvnor examples
6. open <Guvnor connection> > pacakges > mortages >Bankrupcy history.brl file from Guvnor Repositories view. Error is displayed within editor