OpenSSO Enterprise server supports the Single Archive or Exploded Deployment on JBoss Application Server 4.x.
For information see http://www.jboss.com/.
For the platforms that are supported for this web container, see Platforms Supported For OpenSSO Enterprise 8.0 in Sun OpenSSO Enterprise 8.0 Release Notes.
If you are using the Security Token Service (STS), set the MaxPermSize JVM option to a minimum value of 128 MB. For example: