It just throws exception below
The selected wizard could not be started.
Plug-in org.jboss.ide.eclipse.as.ui.mbeans was unable to load class org.jboss.ide.eclipse.as.ui.mbeans.wizards.NewMBeanWizard.
org.jboss.ide.eclipse.as.ui.mbeans.wizards.NewMBeanWizard cannot be found by org.jboss.ide.eclipse.as.ui.mbeans_3.2.1.v20160607-2122