Haitham Safi [https://community.jboss.org/people/haithamnor] created the discussion "Jboss JNDI properties under Tomcat" To view the discussion, visit: https://community.jboss.org/message/804991#804991 -------------------------------------------------------------- Hi. I am using http://www.coderanch.com/forums/f-63/JBoss JBOSS 4.2.3 and Tomcat 7. so while lookup  JNDI   ( prop.setProperty("java.naming.factory.initial", "org.jnp.interfaces.NamingContextFactory"); prop.setProperty("java.naming.factory.url.pkgs", "org.jboss.naming"); #### ## ) from client application under Tomcat i got the following Error  << +Cannot instantiate class+: +org+.+jnp+.+interfaces+.+NamingContextFactory >>+ ++ Any help? Thx   prop.setProperty("java.naming.provider.url", "192.168.0.18:1099"); -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/804991#804991] Start a new discussion in JNDI and Naming at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]