modifying the export request handler

hey, i'm using solr 6.5 . i'm trying to modify the /export implicit request handler. i want to add a search components to the export handler, or create /my_export request handler from the exportHandler class that. for some reason , i receive an error when trying to create a /my_export handler.

Re: modifying the export request handler

i use the following defintion : < request handler name="my_export" class="solr.exportHandler" useParams="_EXPORT"> json false {!xport} myComponent query and recieve a nullPointerException when the im loading the core. the exception is at org.apache.solr.common.params.solrParams.toMultiM