Web Application WAR General tabbed pane -> Advanced Settings button
Settings for distributable applications, session timeout limits and MIME types of file extensions can be set in the Advanced Settings dialog
box:
Select Distributable if your web application requires a distributed environment to function.
Enter a default
in minutes for all sessions in the web application.
In the Locale Character Encoding pane, enter the mappings of extensions to
character encoding types:
Click the Add Locale button.
Enter a file extension in the Extension column. For example, if you wanted to assign a
character encoding to your PDF file, you would first enter .pdf in the Extension column.
Enter a character encoding in the Character Encoding column.
In the Mime Mapping pane, enter the mappings of extensions to MIME types:
Click Add Mime button to add a mapping for an extension.
Enter a file extension in the Extension column. For example, if you wanted to assign a MIME type
to your PDF file, you would first enter .pdf in the Extension column.
Enter a MIME type in the Mime Type column. MIME types take the form of a content type/subtype pair.
For example, you could enter application/pdf in the Mime Type column if you first entered .pdf in the Extension column.
Click OK after adding the mappings.
To delete a mapping, select the row containing the mapping and click Delete. A confirmation dialog will ask you
if you really want to delete the mapping.