Could not create action delegate for id: ConvertToBPMN2ProcessAction

1) Run some JBDS workspace with proper test projects -> seam_22 & seam_22-test;
2) In Package Explorer right mouse btn click on EmployeesEdit.xhtml for context menu;
3) get 2 exceptions:

Could not create action delegate for id: ConvertToBPMN2ProcessAction
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An exception stack trace is not available.
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Plug-in org.drools.eclipse was unable to load class org.drools.eclipse.action.ConvertToBPMN2ProcessAction.
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java.lang.ClassNotFoundException: org.drools.eclipse.action.ConvertToBPMN2ProcessAction
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:506)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:422)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:410)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:338)
at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:232)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1197)
at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)
at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:904)
at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)
at org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:259)
at org.eclipse.ui.internal.PluginAction.createDelegate(PluginAction.java:122)
at org.eclipse.ui.internal.PluginAction.selectionChanged(PluginAction.java:275)
at org.eclipse.ui.internal.PluginAction.<init>(PluginAction.java:112)
at org.eclipse.ui.internal.ObjectPluginAction.<init>(ObjectPluginAction.java:83)
at org.eclipse.ui.internal.ActionDescriptor.createAction(ActionDescriptor.java:272)
at org.eclipse.ui.internal.ActionDescriptor.<init>(ActionDescriptor.java:176)
at org.eclipse.ui.internal.ActionDescriptor.<init>(ActionDescriptor.java:103)
at org.eclipse.ui.internal.ObjectActionContributor.createActionDescriptor(ObjectActionContributor.java:201)
at org.eclipse.ui.internal.PluginActionBuilder.readElement(PluginActionBuilder.java:161)
at org.eclipse.ui.internal.ObjectActionContributor.readElement(ObjectActionContributor.java:280)
at org.eclipse.ui.internal.registry.RegistryReader.readElements(RegistryReader.java:144)
at org.eclipse.ui.internal.registry.RegistryReader.readElementChildren(RegistryReader.java:133)
at org.eclipse.ui.internal.ObjectActionContributor.readConfigElement(ObjectActionContributor.java:251)
at org.eclipse.ui.internal.ObjectActionContributor.isApplicableTo(ObjectActionContributor.java:217)
at org.eclipse.ui.internal.ObjectContributorManager.isApplicableTo(ObjectContributorManager.java:303)
at org.eclipse.ui.internal.ObjectActionContributorManager.contributeObjectActions(ObjectActionContributorManager.java:83)
at org.eclipse.ui.internal.PopupMenuExtender.addObjectActions(PopupMenuExtender.java:262)
at org.eclipse.ui.internal.PopupMenuExtender.menuAboutToShow(PopupMenuExtender.java:339)
at org.eclipse.jface.action.MenuManager.fireAboutToShow(MenuManager.java:338)
at org.eclipse.jface.action.MenuManager.handleAboutToShow(MenuManager.java:469)
at org.eclipse.jface.action.MenuManager.access$1(MenuManager.java:465)
at org.eclipse.jface.action.MenuManager$2.menuShown(MenuManager.java:491)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:241)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1058)
at org.eclipse.swt.widgets.Control.WM_INITMENUPOPUP(Control.java:4485)
at org.eclipse.swt.widgets.Control.windowProc(Control.java:4188)
at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341)
at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1598)
at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:2038)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:4873)
at org.eclipse.swt.internal.win32.OS.TrackPopupMenu(Native Method)
at org.eclipse.swt.widgets.Menu._setVisible(Menu.java:256)
at org.eclipse.swt.widgets.Display.runPopups(Display.java:4107)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3651)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
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:369)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
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