camel-restdsl-openapi-plugin nullpointerexception

A Maven project has been included (attached) to reproduce the 3 use cases. To reproduce, use the commands below: 1) mvn camel-restdsl-openapi:generate-xml@param-operation-reference > plugin does NOT generates DSL, throws NullPointerException 2) mvn camel-restdsl-openapi:generate-xml@param-path-reference > plugin generates DSL but param documentation is missing <get id="op" uri="/test/ {myparam}"> <to uri="direct:op"/> </get> 3) mvn camel-restdsl-openapi:generate-xml@param-operation-inline > plugin seems to generate DSL successfully <get id="op" uri="/test/{myparam} "> <param name="myparam" required="true" type="path"/> <to uri="direct:op"/> </get>