In Apache Tomcat, the Manager element represents the session manager that will be used to create and maintain HTTP sessions as requested by the associated Web Application. Read this article to know how to disable the Persistent Session Management in any Tomcat installation.

The "java.lang.ClassFormatError: Invalid method Code length" error, is an error that you can get generating the layout of your Web Project, it means that you used a template in the Web Project that is too large to be compiled. Read this article to discover more about how to handle and prevent this ...

The purpose of this article is to provide the basics to operate with styles in WebRatio. A Style Project contains the layout templates needed to generate the graphical elements of your Web Application; the project includes also the resources used in the templates.

An important aspect of a Web Application is the visual identity it has. The Visual Identity represents all the graphic widgets that you may want to use in order to make the Web Application good looking and in order to have a great user experience. Since it's possible to specify a personalized ...

It is possible to integrate manually written JSP pages inside WebRatio applications. The procedure is short and composed of four phases. This guide shows the steps required to integrate a JSP in a WebRatio application.

Showing more than one component as a single one is a very common need that may occur while creating the style of a WebRatio Web application. The first option to achieve this is to use the customization available from the Layout View of the specific page, which offers a wide set of criteria to pla...

WebRatio allows the user to define Context Parameters and to add Variables, these model elements are used to accomplish different tasks. Context Parameters are strictly related to session storage, as they save information in the sessionContext and make their content available for all the JSP sessio...

Working with templates allows you to make customization with number patterns. Suppose that you do not want to use the separator symbols for numbers according to the current locale, but you want to use custom character (unusual for separators). You just have to create a custom attribute template that...

In the Domain Model you can define BLOB attributes to store files. This type of attribute is objectified using an instance of a particular object implementing the RTXBLOBData Interface. This type of object gives access to some properties such as the name, lenght and extension of the wrapped BLOB....