This issue is resolved by adding following entries to wildfly-10.1.0.Final ($JBOSS_HOME/modules/sun/jdk/main/modules.xml)
<path name="com/sun/org/apache/xerces/internal/dom"/> <path name="com/sun/org/apache/xerces/internal/xni"/> <path name="com/sun/org/apache/xerces/internal/jaxp"/> Reference: https://stackoverflow.com/questions/15684993/class-from-rt-jar-not-found Thanks Ravi
