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null xml datasource in muliple subreports


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I've been battling with this for a couple of days now and thought I'd solicit the help of some experts...


I've got the following:



// Create the xml data source
JRXmlDataSource xml = new JRXmlDataSource(xmlStream, "/companies/store"«»);
MyJasperHelper jhelper = new MyJasperHelper(xml);
map.put("xml_data", jhelper);

// Fill the report *******************************************************
jasperPrint = JasperFillManager.fillReport(
this.getClass().getResourceAsStream(reportsDir + "CoReport.jasper"«»), map, jhelper.getDataSource());


...with JasperHelper:

public class MyJasperHelper {

private JRXmlDataSource data;

public MyJasperHelper(JRXmlDataSource mydata) {

public JRXmlDataSource getDataSource() {
try {
JRXmlDataSource d = this.data.dataSource("/companies/store"«»);
return d;
} catch (JRException e) {
// e.printStackTrace();
return data;

public void setData(JRXmlDataSource data) {
this.data = data;



Now, in my report, I have 3 sub-reports that refer to the $P{xml_data}.getDataSource() and everything seems to work out fine as the report does access the getDataSource fx() correctly each time a subreport loads... however, only the first report loads, as though the detail record is being used once and not being rewound -- ala moveFirst() -- as it should.


Does anyone have any suggestions on what I may be doing wrong? Any help would greatly be appreciated!

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...so I've created two reports and my Helper works when rewinding on the second report, though it still doesn't print the sub-reports after the first one.


I figure this has something to do with the fact that the data is being used on one report and I cannot figure out why the data is not being rewound (via moveFirst())!?


If I can't figure this out soon, I think I'll file a bug report because as far as I can tell the JRXmlDataSource is correct, but not being used properly by jasper reports.

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