Hi! Im facing this problem at my Jasper Report using Jaspersoft Studio 6.3. Im using an XML Datasource and would like to setup an Sort Field. As soon I setup the sort flied I will get a Error Exception: ERROR AsyncJasperPrintAccessor,pool-4-thread-746:321 - Error during report execution net.sf.jasperreports.engine.JRRuntimeException: net.sf.jasperreports.engine.fill.JRExpressionEvalException: Error evaluating expression for source text: ((net.sf.jasperreports.engine.data.JRXmlDataSource)$P{REPORT_DATA_SOURCE}).subDataSource("/body/shipment") at net.sf.jasperreports.engine.fill.JRFillSubreport.prepare(JRFillSubreport.java:874) at net.sf.jasperreports.engine.fill.JRFillElementContainer.prepareElements(JRFillElementContainer.java:536) at net.sf.jasperreports.engine.fill.JRFillBand.fill(JRFillBand.java:411) at net.sf.jasperreports.engine.fill.JRFillBand.fill(JRFillBand.java:386) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillSummaryNoLastFooterSamePage(JRVerticalFiller.java:1066) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillSummary(JRVerticalFiller.java:1025) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:161) at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:580) at net.sf.jasperreports.engine.fill.BaseFillHandle$ReportFill.run(BaseFillHandle.java:123) at com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.EngineServiceImpl$SynchronousExecutor.execute(EngineServiceImpl.java:924) at net.sf.jasperreports.engine.fill.BaseFillHandle.startFill(BaseFillHandle.java:169) at com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.EngineServiceImpl$AsynchronousReportFiller.fillReport(EngineServiceImpl.java:880) at com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.EngineServiceImpl.fillReport(EngineServiceImpl.java:1829) at com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.EngineServiceImpl$ReportFill.runWithDataSource(EngineServiceImpl.java:1169) at com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.EngineServiceImpl$ReportFill.runReport(EngineServiceImpl.java:1051) at com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.EngineServiceImpl$ReportRunnable.run(EngineServiceImpl.java:946) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) Anybody any idea how to solve this problem? Or is it in general not possible to use Sort fields in combination with XML Datasources? Thanks!