cas is un Unavailable

[yassine yassine]

 i m trying to deploy cas with ldap authentification i had follow the instructions in the cas website about using ldap for authentification, but instead to have the login page  i have this page: 
 CAS is Unavailable      There was a fatal error initializing the CAS application context. This is almost always because of an error in the Spring bean configuration files. Are the files valid XML? Do the beans they refer to all exist?

 Before placing CAS in production, you should change this page to present a UI appropriate for the case where the CAS web application is fundamentally broken. Perhaps "Sorry, CAS is currently unavailable." with some links to your user support information. 
                                         The Throwable encountered at context listener initialization was: 
 
 org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'centralAuthenticationService' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Cannot resolve reference to bean 'authenticationManager' while setting bean property 'authenticationManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'authenticationManager' defined in ServletContext resource [/WEB-INF/deployerConfigContext.xml]: Cannot create inner bean 'org.jasig.cas.adaptors.ldap.FastBindLdapAuthenticationHandler#1c19919' while setting bean property 'authenticationHandlers' with key [1]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.jasig.cas.adaptors.ldap.FastBindLdapAuthenticationHandler#1c19919' defined in ServletContext resource [/WEB-INF/deployerConfigContext.xml]: Cannot resolve reference to bean 'contextSource' while setting bean
 property 'contextSource'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'contextSource' defined in ServletContext resource [/WEB-INF/deployerConfigContext.xml]: Instantiation of bean failed; nested exception is java.lang.NoClassDefFoundError: com.sun.jndi.ldap.ctl.ResponseControlFactory 
                      The Throwable encountered at dispatcher servlet initialization was: 
 
 org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'centralAuthenticationService' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Cannot resolve reference to bean 'authenticationManager' while setting bean property 'authenticationManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'authenticationManager' defined in ServletContext resource [/WEB-INF/deployerConfigContext.xml]: Cannot create inner bean 'org.jasig.cas.adaptors.ldap.FastBindLdapAuthenticationHandler#1c19919' while setting bean property 'authenticationHandlers' with key [1]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.jasig.cas.adaptors.ldap.FastBindLdapAuthenticationHandler#1c19919' defined in ServletContext resource [/WEB-INF/deployerConfigContext.xml]: Cannot resolve reference to bean 'contextSource' while setting bean
 property 'contextSource'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'contextSource' defined in ServletContext resource [/WEB-INF/deployerConfigContext.xml]: Instantiation of bean failed; nested exception is java.lang.NoClassDefFoundError: com.sun.jndi.ldap.ctl.ResponseControlFactory 
      




 		
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