Sun Java System Instant Messaging 7.2 Administration Guide

Enabling JavaTM Web Start

To use Instant Messenger with Java Web start, you need to install the software, then configure your web container to work with Java Web Start. For instructions on installing Java Web Start, go to

To enable Java Web Start support in your web container, you need to edit the web container’s mime.types file to include the following definition for JNLP:

Content Type: application/x-java-jnlp-file

Suffix: jnlp

This section provides the following instructions:

ProcedureTo Add the MIME Type to Sun Java System Web Server Enterprise Edition

  1. Type the following URL to access the administration server in your browser:


    For example:

    Sun Java System Web Server displays a window prompting you for a user name and password.

  2. Type the administration user name and password you specified during the web container installation.

    The web container displays the Administration Server page.

  3. On the Manage Servers page, click Manage.

    The web container displays the Server Manager page.

  4. Click the MIME Types link.

  5. From the MIME file drop-down list, choose a MIME type to edit and click OK.

  6. In the Global MIME Types page, select type from the Category drop-down list.

  7. In the Content-Type text box, type:

  8. In the File-Suffix text box, type:

  9. Click New Type to create the MIME type.

  10. Restart the web container for this change to take effect.

ProcedureTo Add the MIME Type to Apache Web Container

  1. Add the following line to the mime.types file:

    application/x-java-jnlp-file jnlp

    By default, this file is located in the Apache Web Container configuration directory.