Ciao ragazzi,
stavo provando ad utilizzare jsf con netbeans (+ tomcat 6). In compilazione non ottengo errori ma a runtime la pagina jsf non viene visualizzata.

Nel log tomcat ho il seguente errore:

26-ago-2008 13.48.51 org.apache.catalina.core.StandardWrapperValve invoke
GRAVE: Servlet.service() for servlet jsp threw exception
org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jsf/core cannot be resolved in either web.xml or the jar files deployed with this application
at org.apache.jasper.compiler.DefaultErrorHandler.jsp Error(DefaultErrorHandler.java:51)
at org.apache.jasper.compiler.ErrorDispatcher.dispatc h(ErrorDispatcher.java:409)
at org.apache.jasper.compiler.ErrorDispatcher.jspErro r(ErrorDispatcher.java:116)
at org.apache.jasper.compiler.TagLibraryInfoImpl.gene rateTLDLocation(TagLibraryInfoImpl.java:315)
at org.apache.jasper.compiler.TagLibraryInfoImpl.<ini t>(TagLibraryInfoImpl.java:148)
at org.apache.jasper.compiler.Parser.parseTaglibDirec tive(Parser.java:431)
at org.apache.jasper.compiler.Parser.parseDirective(P arser.java:494)
at org.apache.jasper.compiler.Parser.parseElements(Pa rser.java:1444)
at org.apache.jasper.compiler.Parser.parse(Parser.jav a:138)
at org.apache.jasper.compiler.ParserController.doPars e(ParserController.java:216)
at org.apache.jasper.compiler.ParserController.parse( ParserController.java:103)
at org.apache.jasper.compiler.Compiler.generateJava(C ompiler.java:154)
at org.apache.jasper.compiler.Compiler.compile(Compil er.java:315)
at org.apache.jasper.compiler.Compiler.compile(Compil er.java:295)
at org.apache.jasper.compiler.Compiler.compile(Compil er.java:282)
at org.apache.jasper.JspCompilationContext.compile(Js pCompilationContext.java:586)
at org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:317)
at org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:342)
at org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:267)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:717)
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.servic e(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(H ttp11Processor.java:845)
at org.apache.coyote.http11.Http11Protocol$Http11Conn ectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run( JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:619)

Ho forse dimenticato di aggiungere qualche jar al progetto?

Quale?