Tomcat is a web server which can run servlets and JSP whereas Weblogic is an application server which can run EJBs also. Tomcat is owned by Apache Software Foundation and weblogic is owned by Oracle. Weblogic fully supports the Java Enterprise Edition like EJB but Tomcat does not support EJB. Transaction management can be done in Weblogic but it can’t be done in Tomcat. Weblogic supports both Http and Ftp but Tomcat only supports Http. Oracle WebLogic Server Process Edition also include Business Process Management and Data Mapping functionality. WebLogic supports security policies managed by security administrators. The Oracle WebLogic Server Security Model includes:

-application business logic separated from security code

-complete scope of security coverage for all Java EE and non-Java EE components