Hello I'm using JesperReports Library and I'm trying to filter sql query. Unfortunately parameter is ignored and default value from <defaultValueExpression> is always used. Even if I would delete <defaultValueExpression> with its value It will never return correct result (Empty result every time). Part of my code is pasted below. .jrxml code <subDataset name="tableDataset" uuid="ad14c38d-49b3-49db-a2f7-1d24458f7e5f"> <property name="com.jaspersoft.studio.data.defaultdataadapter" value="New Data Adapter "/> <parameter name="queryParam" class="java.lang.Integer"> <defaultValueExpression><![CDATA[210]]></defaultValueExpression> </parameter> <queryString language="SQL"> <![CDATA[sELECT * FROM skd where skd_km = $P{queryParam}]]> </queryString> <field name="skd_id" class="java.lang.Integer"/> <field name="skd_nd"/> <field name="skd_km" class="java.lang.Integer"/> <field name="skd_m" class="java.lang.Integer"/> <field name="skd_odc" /> <field name="skd_kod" class="java.lang.Long"/> <field name="skd_nr" class="java.lang.Integer"/> <field name="skd_pkt" class="java.lang.Integer"/></subDataset> .java code try (Connection conn = DriverManager.getConnection(dbURL, username, password)) { JasperReport jasperReport = JasperCompileManager.compileReport( "src/main/resources/tempSKDFiltered.jrxml"); Map<String, Object> parametersMap = new HashMap(); parametersMap.put("queryParam", 229); JasperPrint jasperPrint = JasperFillManager.fillReport( jasperReport, parametersMap, conn); JasperExportManager.exportReportToPdfFile( jasperPrint, "SKDFilter.pdf"); } catch (JRException e) { e.printStackTrace(); } catch (SQLException e) { e.printStackTrace(); } } Does anybody have an idea what I'm doing wrong? Thanks.