Tonight I pulled down the source for Spark, Configured Eclipse, and built. It wouldn't build out of the box because of a GSSAPI error. I resolved that error by moving the GSSAPIConfiguration.java into src\java\org\jivesoftware and adding an import to one of the source files. But when it tries to get the principle name it throws an exception. My question is this. Is there anything special that needs to be done in order to build spark with SSO support?