The Http Transport returned a 0 status code. This is usually the result of mixing ajax and full requests. ----------------------------------------------------------------------------------------------------------- Key: SEAM-65 URL: https://issues.jboss.org/browse/SEAM-65 Project: Seam 3 Distribution Issue Type: Bug Environment: 3.0.0-SNAPSHOT Reporter: Daniel Hinojosa Labels: AJAX, Code, HTTPError, Status Fix For: Future This came up: on booking: httpError: The Http Transport returned a 0 status code. This is usually the result of mixing ajax and full requests. This is usually undesired, for both performance and data integrity reasons. This is in the intro page. http://localhost:8080/seam-booking/ Possible solution: http://forums.oracle.com/forums/thread.jspa?threadID=2148500&tstart=0 P.S. You may find other instances elsewhere.