ArcGIS Web Adaptor

class java.lang.String cannot be cast to class com.esrifrance.restfmksrv.rest.ags103.RESTLayerDescription103 (java.lang.String is in module java.base of loader 'bootstrap'; com.esrifrance.restfmksrv.rest.ags103.RESTLayerDescription103 is in unnamed module of loader org.apache.catalina.loader.ParallelWebappClassLoader @4c23c5e6)