jsf 2 - HTTP status code 500 (internal server error) while loading a JSF page -

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<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">  <html xmlns="http://www.w3.org/1999/xhtml"   xmlns:h="http://java.sun.com/jsf/html"   xmlns:f="http://java.sun.com/jsf/core"   xmlns:ui="http://java.sun.com/jsf/facelets">  <body> <h:form><center>     <h:panelgrid columns="2">         <h:outputtext value="login: " />         <h:inputtext value="#{usbusiness.user.login}"/>         <h:outputtext value="mot de passe:" />         <h:inputext value="#{usbusiness.user.pwd}" />         <h:commandbutton id="submit" action="#{usbusiness.user.connecter}" value="connecter" />         <h:commandbutton id="submit" action="#{usbusiness.user.connecter}" value="annuler" />     </h:panelgrid> </center></h:form> </body> </html>

after tried access page i've got following error:

there internal server error prevented fulfilling request.

the exception:

javax.servlet.servletexception: /authentification.xhtml @12,49 <h:inputext> tag library supports namespace: http://java.sun.com/jsf/html, no tag defined name: inputext     javax.faces.webapp.facesservlet.service(facesservlet.java:270)     org.ajax4jsf.webapp.basexmlfilter.doxmlfilter(basexmlfilter.java:178)     org.ajax4jsf.webapp.basefilter.handlerequest(basefilter.java:290)     org.ajax4jsf.webapp.basefilter.processuploadsandhandlerequest(basefilter.java:390)     org.ajax4jsf.webapp.basefilter.dofilter(basefilter.java:517)

can tell me doing wrong?

there typo in 1 of tags:

    <h:inputext value="#{usbusiness.user.pwd}" />

should be

    <h:inputtext value="#{usbusiness.user.pwd}" />

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