On a autocomplete component with a rich:validator I get

javax.faces.view.facelets.TagException: /search.xhtml @17,21 <rich:validator> Event attribute could not be determined: null
at org.richfaces.view.facelets.html.AjaxHandler.resolveEventName(AjaxHandler.java:205)
at org.richfaces.view.facelets.html.AjaxHandler.applyNested(AjaxHandler.java:192)
at org.richfaces.view.facelets.html.AjaxHandler.apply(AjaxHandler.java:132)
at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHandler(DelegatingMetaTagHandler.java:131)
at org.richfaces.view.facelets.html.BehaviorsAddingComponentHandlerWrapper.applyNextHandler(BehaviorsAddingComponentHandlerWrapper.java:55)
at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl.apply(ComponentTagHandlerDelegateImpl.java:162)
at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(DelegatingMetaTagHandler.java:114)
at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:94)
at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHandler(DelegatingMetaTagHandler.java:131)
at org.richfaces.view.facelets.html.BehaviorsAddingComponentHandlerWrapper.applyNextHandler(BehaviorsAddingComponentHandlerWrapper.java:55)
at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl.apply(ComponentTagHandlerDelegateImpl.java:162)

It seems to be the same issue as:

https://issues.jboss.org/browse/RF-10573

Is there any workaround?

Thanks,

Ulrich