You are correct in that it is a serious error. Having both jars in your path will result in identically-named, but differently-operating classes to be present in your application.
You need to configure Glassfish to disable the RI, or you need to remove the myfaces jars. 2012/3/12 José Luis Cetina <maxtorz...@gmail.com>: > Well sorry, really this says: ERROR Both MyFaces and the RI are on your > classpath. Please make sure to use only one of the two JSF-implementations. > > Grave: Both MyFaces and the RI are on your classpath. Please make sure to > use only one of the two JSF-implementations. > > 2012/3/12 Shasi Mitra <shasimi...@yahoo.com> > >> It's just a warning rite? You can go ahead with your development. It >> doesn't affect anything. >> >> Sent from my iPhone >> >> On Mar 12, 2012, at 10:10 PM, José Luis Cetina <maxtorz...@gmail.com> >> wrote: >> >> > Im triying to start a new project for first time with myfaces, i always >> > used Mojarra but know i want to change but im having problems at the >> start: >> > >> > My only requierement is use Glassfish 3.1.2.1. >> > >> > Hi i have this WARNING: >> > >> > *Both MyFaces and the RI are on your classpath. Please make sure to use >> > only one of the two JSF-implementations.* >> > >> > Why this happend if im using only jars from myfaces?? maybe for >> glassfish i >> > think, i have these in my *glassfish-web.xml* file, under WEB-INF folder: >> > >> > <?xml version="1.0" encoding="UTF-8"?> >> > <!DOCTYPE glassfish-web-app PUBLIC "-//GlassFish.org//DTD GlassFish >> > Application Server 3.1 Servlet 3.0//EN" " >> > http://glassfish.org/dtds/glassfish-web-app_3_0-1.dtd";> >> > <glassfish-web-app error-url=""> >> > <!--Para establecer el charset a utf8 y remover el mensaje de: >> PWC4011: >> > Unable to set request character encoding to UTF-8 from context--> >> > <parameter-encoding default-charset="UTF-8"/> >> > *<class-loader delegate="false"/>* >> > * <property name="useBundledJsf" value="true"/>* >> > <!--<class-loader delegate="true"/>--> >> > <jsp-config> >> > <property name="keepgenerated" value="true"> >> > <description>Keep a copy of the generated servlet class' java >> > code.</description> >> > </property> >> > </jsp-config> >> > </glassfish-web-app> >> > >> > ---------------- ---------------- ---------------- >> > >> > This is my web.xml >> > >> > <?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>com.ocpsoft.pretty.DEVELOPMENT</param-name> >> > <param-value>true</param-value> >> > </context-param> >> > <context-param> >> > <param-name>javax.faces.STATE_SAVING_METHOD</param-name> >> > <param-value>server</param-value> >> > </context-param> >> > <context-param> >> > <param-name> >> > >> javax.faces.DATETIMECONVERTER_DEFAULT_TIMEZONE_IS_SYSTEM_TIMEZONE</param-name> >> > <param-value>true</param-value> >> > </context-param> >> > <context-param> >> > <param-name>javax.faces.FACELETS_SKIP_COMMENTS</param-name> >> > <param-value>true</param-value> >> > </context-param> >> > <context-param> >> > >> > >> <param-name>com.sun.faces.enableMissingResourceLibraryDetection</param-name> >> > <param-value>true</param-value> >> > </context-param> >> > <listener> >> > * >> > >> <listener-class>org.apache.myfaces.webapp.StartupServletContextListener</listener-class> >> > * >> > </listener> >> > <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> >> > </web-app> >> > >> > ---------------- ---------------- ---------------- >> > >> > Here are my libraries: >> > >> > --MYFACES >> > myfaces-api-2.1.6.jar >> > myfaces-impl-2.1.6.jar >> > commons-beanutils-1.8.3.jar >> > commons-digester-1.8.jar >> > commons-logging-1.8.jar >> > commons-codec-1.1.1.jar >> > commons-collections-3.2.jar >> > --MYFACES CODI >> > myfaces-extcdi-alternative-implementation-module-1.0.4 >> > myfaces-extcdi-bv1-module-api-1.0.4 >> > myfaces-extcdi-bv1-module-impl-1.0.4 >> > myfaces-extcdi-core-alternative-configuration-1.0.4 >> > myfaces-extcdi-core-api-1.0.4 >> > myfaces-extcdi-core-impl-1.0.4 >> > myfaces-extcdi-jpa1-module-api-1.0.4 >> > myfaces-extcdi-jpa1-module-impl-1.0.4 >> > myfaces-extcdi-jsf20-module-api-1.0.4 >> > myfaces-extcdi-jsf20-module-impl-1.0.4 >> > myfaces-extcdi-jsf-alternative-configuration-1.0.4 >> > myfaces-extcdi-message-module-api-1.0.4 >> > myfaces-extcdi-message-module-impl-1.0.4 >> > myfaces-extcdi-scripting-module-api-1.0.4 >> > myfaces-extcdi-scripting-module-impl-1.0.4 >> > >> > >> > I dont know if because the "WARNING" i have other problem: >> > >> > javax.el.PropertyNotFoundException: Target Unreachable, identifier >> 'myBean' >> > resolved to null, >> > >> > I have in my beans.xml file under WEB-INF this: >> > >> > <?xml version="1.0" encoding="UTF-8"?> >> > <beans 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/beans_1_0.xsd";> >> > </beans> >> > >> > and in my bean: >> > >> > @Named >> > @ViewAccessScoped >> > @Model >> > @View(Index.class) >> > public class MyBean implements Serializable{ >> > public void test(){ >> > //do nothing >> > } >> > >> > ..... >> > } >> > >> > and in my index.xhtml >> > >> > <h:commandButton value="CLICK" action="#{myBean.test}"/> >> > >> > if i click my button the i get this error: >> > >> > javax.el.PropertyNotFoundException: Target Unreachable, identifier >> 'myBean' >> > resolved to null >> > viewId=/index.xhtml >> > >> location=C:\Users\user\Documents\NetBeansProjects\testweb\build\web\index.xhtml >> > phaseId=INVOKE_APPLICATION(5) >> > Caused by: >> > javax.el.PropertyNotFoundException - Target Unreachable, identifier >> > 'myBean' resolved to null >> > at com.sun.el.parser.AstValue.getTarget(AstValue.java:153) >> > >> > >> > I dont know if this is for the first problem (*Both MyFaces and the RI >> are >> > on your classpath. Please make sure to use only one of the two >> > JSF-implementations.*) >> > I read i need to have my beans.xml but i have it!!! >> > >> > Thanks, and sorry for the english, is not my native language >> > >> > >> > Im using: Netbeans 7.1, *Glassfish 3.1.2.1,* JDK 7u3, MyFaces 2.1.6, CODI >> > 1.0.4, Windows 7. >> > >> > -- >> > ------------------------------------------------------------------- >> > *SCJA. José Luis Cetina* >> > ------------------------------------------------------------------- >> > > > > -- > ------------------------------------------------------------------- > *SCJA. José Luis Cetina* > -------------------------------------------------------------------
