h:commandButton not working on RichFaces

[hibara]

Hello

h:commandButton not working on RichFaces after Added

<%@taglib uri="http://richfaces.org/a4j" prefix="a4j"%>

<%@taglib uri="http://richfaces.org/rich" prefix="rich"%>

before adding taglibs  my button works correctly

<h:commandButton  id="submit" value="Confirmer "  style="width: 175px" action="#{Beanrecept.connexionBD}" ></h:commandButton>

connexionBD:function to insert data into a database

Can you help me pleaze

thanks