The following jars in RPMs for RHEL-5 differ from those in CR6 zip:

1.) Struts
antlr - class files are binary different
commons-digester.jar - version 1.7 present in the RPM while version 1.8.1 in CR6 zip
commons-io.jar - maven related files are different

2.) Richfaces
commons-digester.jar - version 1.7 present in the RPM while version 1.8.1 in CR6 zip
richfaces-impl-3.3.0.jar - the following files are different: org/ajax4jsf/framework.pack.js ./META-INF/maven/org.richfaces.framework/richfaces-impl/pom.properties META-INF/MANIFEST.MF
richfaces-ui-3.3.0.jar - majority of the files are different

3.) Spring - unsupported
jakarta-commons/commons-io.jar - maven related files are different
dom4j/dom4j-1.6.1.jar - the following files differ: org/dom4j/tree/AbstractNode.class org/dom4j/DocumentFactory.class
log4j/log4j-1.2.14.jar - majority of the classes is different

Besides, a lot of jars is different binary, however the only difference is MANIFEST file. These jars are not listed here.