There are differences between ZIP and RPM in 8.1.4.1:
fe07d06a91adb7ba001b6fe1b4f3b202 /opt/rh/eap8/root/usr/share/wildfly/modules/system/layers/base/io/undertow/core/main/undertow-core.jar 4499d116c2f2af95a940e5bdf011984f /root/rpm-automation/workspace/distdiff/jboss-eap-8.1/modules/system/layers/base/io/undertow/core/main/undertow-core-2.3.23.SP2-redhat-00001.jar 2c5a101338227051204887cccbec9c89 /opt/rh/eap8/root/usr/share/wildfly/modules/system/layers/base/io/undertow/servlet/main/undertow-servlet.jar c170d75ac8ff44545210f92d267e0794 /root/rpm-automation/workspace/distdiff/jboss-eap-8.1/modules/system/layers/base/io/undertow/servlet/main/undertow-servlet-2.3.23.SP2-redhat-00001.jar b39049167fbf1bb026d30474778fc8ca /root/rpm-automation/workspace/distdiff/jboss-eap-8.1/modules/system/layers/base/io/undertow/websocket/main/undertow-websockets-jsr-2.3.23.SP2-redhat-00001.jar a18646bfc58d6b560a4f4279bae50fca /opt/rh/eap8/root/usr/share/wildfly/modules/system/layers/base/io/undertow/websocket/main/undertow-websockets-jsr.jar bdb9e676e2e63f700bbaee702b946a6e /opt/rh/eap8/root/usr/share/wildfly/modules/system/layers/base/org/jboss/as/product/main/wildfly-ee-feature-pack-product-conf.jar e2ca81ba0c546a8d605c1e4bfadcff00 /root/rpm-automation/workspace/distdiff/jboss-eap-8.1/modules/system/layers/base/org/jboss/as/product/main/wildfly-ee-feature-pack-product-conf-801.4.1.GA-redhat-00001.jar