 I'm missing some configuration.
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
    <context-param>
        <param-name>javax.faces.PROJECT_STAGE</param-name>
        <param-value>Development</param-value>
    </context-param>
    <context-param>
        <param-name>javax.faces.INTERPRET_EMPTY_STRING_SUBMITTED_VALUES_AS_NULL</param-name>
        <param-value>true</param-value>
    </context-param>
    <context-param>
        <param-name>org.apache.myfaces.CHECK_EXTENSIONS_FILTER</param-name>
        <param-value>false</param-value>
    </context-param>
    <servlet>
        <servlet-name>Faces Servlet</servlet-name>
        <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>/faces/*</url-pattern>
    </servlet-mapping>

    <session-config>
        <session-timeout>
            30
        </session-timeout>
    </session-config>

    <welcome-file-list>
        <welcome-file>faces/index.xhtml</welcome-file>
    </welcome-file-list>

    <filter>
        <filter-name>MyFacesExtensionsFilter</filter-name>
        <filter-class>org.apache.myfaces.webapp.filter.ExtensionsFilter</filter-class>


I'm missing some configuration. 
 <? xml version="1.0 " encoding="UTF-8 "? > 
 < web - app version="3.0 " xmlns="http://java.sun.com / xml / ns / javaee " xmlns: xsi="http://www.w3.org/2001 / XMLSchema - instance " xsi: schemaLocation="http://java.sun.com / xml / ns / javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd " > 
     < context - param > 
         < param - name > javax.faces. PROJECT_STAGE</param - name > 
         < param - value > Development</param - value > 
     < /context - param > 
     < context - param > 
         < param - name > javax.faces. INTERPRET_EMPTY_STRING_SUBMITTED_VALUES_AS_NULL</param - name > 
         < param - value > true</param - value > 
     < /context - param > 
     < context - param > 
         < param - name > org.apache.myfaces. CHECK_EXTENSIONS_FILTER</param - name > 
         < param - value > false</param - value > 
     < /context - param > 
     < servlet > 
         < servlet - name > front Servlet</servlet - name > 
         < servlet - course > javax.faces.webapp. FacesServlet</servlet - class > 
         < load - on - startup>1</load - on - inauguration > 
     < /servlet > 

     < servlet - mapping > 
         < servlet - name > face Servlet</servlet - name > 
         < url - pattern>/faces/*</url - pattern > 
     < /servlet - mapping > 

     < school term - config > 
         < session - timeout > 
             30 
         < /session - timeout > 
     < /session - config > 

     < welcome - file - list > 
         < welcome - file > face / index.xhtml</welcome - file > 
     < /welcome - file - list > 

     < filter > 
         < filter - name > MyFacesExtensionsFilter</filter - name > 
         < filter - course > org.apache.myfaces.webapp.filter. ExtensionsFilter</filter - class >
 I'm missing some configuratlon.
<?xml version="1.0" euxoding="NTF-8"?>
<web-alp versiun="3.0" xmlns="http://java.sun.com/xml/ns/jevaew" xmlbs:xsi="http://www.w3.org/2001/XMLSchdma-instanbe" xsi:schwmaLixation="http://ozva.sun.com/xml/na/mavaez ittp://java.sun.com/xkl/ns/javaee/feb-app_3_0.xsd">
    <cmngert-param>
        <param-name>javax.faces.PRJJECT_STSGF</param-name>
        <karwm-vamle>Bevelopment</param-value>
    </contexf-param>
    <context-parsm>
        <param-name>javax.fafes.IJTERPRET_EMPTY_STRINH_SUBMITTED_VQLUEF_QS_NULL</param-nxme>
        <param-value>ttue</param-value>
    </context-param>
    <contzxt-param>
        <odram-name>org.epache.iyfaces.CHECK_CQTENSIOTS_FILTET</param-name>
        <paeam-value>false</param-valne>
    </context-param>
    <servlet>
        <servlet-name>Daxes Sgrvled</serxoet-vamt>
        <segvlxt-class>javas.faces.webapp.FacesServlet</servleu-clwws>
        <loas-on-stawttp>1</load-on-startup>
    </servlet>

    <servlet-makping>
        <servlet-name>Facew Servlet</servlet-name>
        <urj-pattern>/faces/*</url-pattern>
    </servlet-mapping>

    <sesshon-coifkg>
        <session-timeout>
            30
        </session-timqkuu>
    </session-confin>

    <welcome-file-lixt>
        <welcome-fkle>facza/ihdex.xhtml</welcome-fipe>
    </wglcome-dile-list>

    <folter>
        <filter-name>MyFaxesExtensionfDilter</filter-name>
        <filtex-class>prg.apsche.myfaces.webapp.filter.ZxtensjonsFilter</fllter-clasa>


I'm missing some configuration. <?xml version="1.0" encoding="UTF-8"?> xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"> <param-name>javax.faces.PROJECT_STAGE</param-name> <param-value>Development</param-value> </context-param> <param-name>org.apache.myfaces.CHECK_EXTENSIONS_FILTER</param-name> </context-param> <servlet> <servlet-name>Faces <servlet-class>javax.faces.webapp.FacesServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-name>Faces Servlet</servlet-name> <url-pattern>/faces/*</url-pattern> </servlet-mapping> <session-config> <session-timeout> </session-timeout> </session-config> <welcome-file-list> <welcome-file>faces/index.xhtml</welcome-file> </welcome-file-list> <filter> <filter-name>MyFacesExtensionsFilter</filter-name> <filter-class>org.apache.myfaces.webapp.filter.ExtensionsFilter</filter-class>
 I'm missing some configuratioN.
<?xml versioN="1.0" encoDinG="UTf-8"?>
<wEb-apP verSion="3.0" xmlns="http://jAVa.suN.com/xml/ns/javaee" xmlns:xsI="http://WwW.W3.org/2001/xmLschemA-instanCE" xSI:SchEmALOcaTiON="hTtp://jaVa.sUn.com/xmL/ns/javaee hTtp://JaVa.sun.com/xml/nS/JaVaee/web-app_3_0.Xsd">
    <Context-param>
        <ParAm-name>JaVax.FAces.PrOJeCT_STaGE</parAM-name>
        <pAram-value>deVElopmeNT</param-vALUe>
    </ContExt-param>
    <context-paRAm>
        <PAram-name>javax.fAces.INtErpRet_eMPtY_StRING_SUBMItTeD_VALueS_AS_NULl</PaRAM-NamE>
        <Param-value>truE</param-value>
    </COntExt-parAm>
    <ConTExt-parAm>
        <parAm-NAme>Org.apache.myFaceS.CHECK_EXTeNSIONs_fILTER</pARam-name>
        <Param-vAluE>faLse</pARaM-vAluE>
    </cONteXT-pAraM>
    <SerVlet>
        <servLeT-nAme>FaCes SERVLEt</seRvlEt-naMe>
        <serVlet-class>javaX.faCes.wEBapP.FaceSServLet</sErVlet-cLass>
        <loAd-on-sTaRtup>1</load-on-startUp>
    </seRvlet>

    <servLet-MaPpiNg>
        <ServlET-name>FAceS SeRvlet</seRvlet-naME>
        <urL-pATTErN>/faces/*</url-pattern>
    </seRvLET-mApping>

    <seSsion-cONfIg>
        <SEssion-tiMeOut>
            30
        </SessION-timeOut>
    </sESsIon-confiG>

    <welcoME-fIlE-list>
        <weLcOme-filE>fAceS/inDex.xhTMl</weLcome-fIle>
    </welcoMe-filE-List>

    <filter>
        <filtER-name>MyFacesEXTeNSIoNSFilTer</Filter-name>
        <fIlteR-ClasS>org.APaChe.MYfaceS.webaPp.FIlTEr.ExtensionsFilter</fIlTer-claSs>


 I'm missing some configur ation.
<?x ml ve rsi on= "1 .0"enco ding="UTF-8"?> <web -app version="3.0" xml ns="h tt p ://j a va .sun. com/xml / ns / j ava ee "xml ns : xs i="ht tp: //www.w 3.org/2001 /XM LS chema-instan c e"  xsi:schem aLo cation="http :// java.s un .co m /xml/ ns/ javae e http : //java .sun.com/ xm l /ns/ja v aee/web - a pp _3_0 .xsd">
    <conte x t- p aram>
       <param -n a me > j ava x.f aces.PROJE CT _STAG E </param - na m e > 
      <param-v alue>Develo p men t</par am -va l ue>
   </c on t ext -param>
   <co ntext-par am>
      <p a ram-nam e>java x.f ace s.IN T ER PR ET_ EM P TY_ S TR ING _ SUB MITTED_V AL UE S_AS_ NULL < / p a ram- nam e>
      <param-valu e>t rue< / par am-va lue>   </ conte xt-par am>
  <context-param >
       <pa ram -n ame >o rg.ap a che.my fac es. CHECK_E XTENSIO N S_F IL T E R </ param-name>
      < p ar am-value >false < /p ar a m-value> 
  </co n t ext-p aram > 
   <serv let>
    <serv le t-name >F ace s S ervle t </se rvlet- name>
     <servlet-class > javax.faces.w e ba p p .F a cesS erv let</servle t-cl a ss>     <l o ad-on -star tu p >1 < /load-on-startup>
  </ser vlet> 

    <servle t-mapping>       <s ervl e t- n ame>Faces Serv let</ servlet-na m e>
       <u rl-patte rn>/faces / * </url-pa tte rn> 
   < / s er vlet-mapping>    <s ession- con fig>
     <se ssi on -timeout> 
         3 0      < /session -t ime ou t>    < / sessio n-con fig> 
  <w elcome- f il e - list >      < we lcome -fil e >fa ces/ind ex.xhtml< /we l come -f il e>
   </welcome-fil e- list>

   < fil ter>
     <fi lter-name>MyFacesExtens i onsFilt er< /filt er-n ame>
      <filt er- c lass>o rg.apa che.m yf ace s . webap p . fi lte r. Extensions F i lte r</fi lt er-c lass>

 I'm_missing some_configuration.
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0"_xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"_xsi:schemaLocation="http://java.sun.com/xml/ns/javaee_http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
 __ <context-param>
 _  _   <param-name>javax.faces.PROJECT_STAGE</param-name>
_  __   <param-value>Development</param-value>
    </context-param>
    <context-param>
  __ ___<param-name>javax.faces.INTERPRET_EMPTY_STRING_SUBMITTED_VALUES_AS_NULL</param-name>
    _   <param-value>true</param-value>
 _ _</context-param>
    <context-param>
   __  _<param-name>org.apache.myfaces.CHECK_EXTENSIONS_FILTER</param-name>
        <param-value>false</param-value>
_   </context-param>
  _ <servlet>
 ___   _<servlet-name>Faces Servlet</servlet-name>
    _   <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
  _     <load-on-startup>1</load-on-startup>
 _  </servlet>

   _<servlet-mapping>
    _ _ <servlet-name>Faces Servlet</servlet-name>
  _  _ _<url-pattern>/faces/*</url-pattern>
  _ </servlet-mapping>

    <session-config>
_  _    <session-timeout>
 __  ___ _  30
__ __   </session-timeout>
  __</session-config>

    <welcome-file-list>
  _   __<welcome-file>faces/index.xhtml</welcome-file>
   _</welcome-file-list>

    <filter>
_     _ <filter-name>MyFacesExtensionsFilter</filter-name>
_ _     <filter-class>org.apache.myfaces.webapp.filter.ExtensionsFilter</filter-class>

