This should be fixed in http://git.fedorahosted.org/git/?p=luci.git;a=commit;h=bf7737a64052eefc6295b5a822ddd56a1975fa9c
Compared with Tomcat 5, Tomcat 6 happens to miss 'tomcat_user', 'catalina_options' and 'catalina_base' parameters, at least according to cluster.rng and metadata files.
In RHEL6 it is possible to use /usr/sbin/tomcat6 to run tomcat. This was not possible in previous version so we have to have everything in our resource agent. Now such options can be set directly in their config file and we just add settings necessary for multiple instances.
Red Hat Enterprise Linux 6.0 is now available and should resolve
the problem described in this bug report. This report is therefore being closed
with a resolution of CURRENTRELEASE. You may reopen this bug report if the
solution does not work for you.