Looking at the testsuite runs:
http://cruisecontrol.jboss.com/cc/artifacts/jboss-head-testsuite-sun-1.5/20070825220010/results/index.html

There is a whole group of deployer tests that need to be further qualified/fixed, with linked issues created

org.jboss.test.deployers.client.test 4 4 0 6.208
org.jboss.test.deployers.ear.test 5 5 0 10.343
org.jboss.test.deployers.ejb.test 4 4 0 9.456
org.jboss.test.deployers.jbas2904.test 1 1 0 1.659
org.jboss.test.deployers.rar.test 4 4 0 6.285
org.jboss.test.deployers.sar.test 4 4 0 16.937
org.jboss.test.deployers.web.test 4 4 0 30.319