os-eap-migration/added/launch/openshift-migrate-common.sh:
local recoveryClass="com.arjuna.ats.arjuna.tools.RecoveryMonitor"
recoveryJar=$(find "${JBOSS_HOME}" -name *.jar | xargs grep -l "${recoveryClass}")

When the image has been patched this find will return > 1 files into $recoveryJar causing the subsequent java invocation to fail.