java - Report design not valid. Field not found Jasper Reports -
im trying create basic jasper report jrbeancollectiondatasource . in there im having list of objects inside javabean. public class course { private int id; private list<student> students; } student object looks like public class student { private string name; private int id; } i want print student information inside report. how jrxml looks like <subdataset name="dataset1" uuid="09015d96-ad5a-4fed-aa9e-19d25e02e205"> <field name="students" class="java.util.list"> <fielddescription><![cdata[students]]></fielddescription> </field> </subdataset> <field name="id" class="java.lang.integer"/> <field name="students" class="java.util.list"/> <field name="name" class="java.lang.string"/> <componentelement> <reportelement x="200" y="0" width="400