Sun Java System Application Server Platform Edition 8.1 2005Q2 Update 2 Developer's Guide

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## Using the default-web.xml File

You can use the `default-web.xml` file to define features such as filters and security constraints that apply to all web applications.

### To use the default-web.xml file

1. Place the JAR file for the filter, security constraint, or other feature in the domain-dir`/lib` directory.

2. Edit the domain-dir`/config/default-web.xml` file to refer to the JAR file.

3. Restart the server.

##### The InvokerServlet

The `InvokerServlet` allows use of the `servlet-name` instead of the `servlet-mapping` for invoking a servlet with a URL, as described in Invoking a Servlet with a URL. The `InvokerServlet` is commented out in the `default-web.xml` file. To re-enable the `InvokerServlet`, remove the comment indicators (`<!--` and `-->`), then restart the server.

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