The installation of EAP 5.1.0 CR1 via RHN is failing due to missing Seam packages:

No package jboss-seam2 available.
--> Finished Dependency Resolution
rh-eap-docs-5.1.0-2.jdk6.ep5.el5.noarch from jbappplatform-5-i386-server-5-rpm has depsolving problems
--> Missing Dependency: jboss-seam2-docs >= 2.2.1.EAP is needed by package rh-eap-docs-5.1.0-2.jdk6.ep5.el5.noarch (jbappplatform-5-i386-server-5-rpm)
Error: Missing Dependency: jboss-seam2-docs >= 2.2.1.EAP is needed by package rh-eap-docs-5.1.0-2.jdk6.ep5.el5.noarch (jbappplatform-5-i386-server-5-rpm)
You could try using --skip-broken to work around the problem
You could try running: package-cleanup --problems
package-cleanup --dupes
rpm -Va --nofiles --nodigest

The full log is available here: http://rhts.redhat.com/testlogs/2010/07/166513/427403/3496165/TESTOUT.log