Error in glassfish and Eclipse juno, Missing classpath entry /home/serg/glassfish3/glassfish/modules/jsf-api.jar

Glassfish connector in Eclipse Juno:
Missing classpath entry /home/serg/glassfish3/glassfish/modules/jsf-api.jar

Unistall and Reinstall the glassfish connector from this update site:
 http://dlc.sun.com.edgesuite.net/glassfish/eclipse/juno/

After this, glassfish 3.1.2.2 is displayed as a server option.