I have a query select * from crm_query where $X{IN,ref_no,ref_no}` in `jasper report The parameter ref_no its class is java.util.Collection. The report work perfectly in jasper soft report. But not working injasper server. This is the url for connecting jasper server http://localhost:8080/jasperserver/rest_v2/reports/reports/projects/test_report.pdf?ref_no=31&ref_no=29&ref_no=33 My issues is that jasper server getting NULL value for the parameter ref_no. Why this happening like this? Any solution? Also i tried to print the parameter in report,but it prints nothing.