Installation plugin glassfish pour eclipse

Bonjour,

lors de l'installation de plugin de glassfich pour eclipse j'ai rencontré l'erreur suivante :

Cannot complete the install because one or more required items could not be found.
Software being installed: GlassFish Java EE 5, Java EE 6 1.0.54 (com.sun.enterprise.jst.server.sunappsrv.feature.feature.group 1.0.54)
Missing requirement: GlassFish Java EE 5, Java EE 6 1.0.54 (com.sun.enterprise.jst.server.sunappsrv.feature.feature.group 1.0.54) requires 'org.eclipse.platform.feature.group [3.5.0,3.6.0)' but it could not be found

merci d'avance.