Exception thrown for subreports in non-splitting bands containing collections
that might need to be split.
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Key: WW-2776
URL: https://issues.apache.org/struts/browse/WW-2776
Project: Struts 2
Issue Type: Bug
Components: Plugin - JasperReports
Affects Versions: 2.1.2
Reporter: Ben Morgan
"net.sf.jasperreports.engine.JRException: The subreport is placed on a
non-splitting band, but it does not have a rewindable data source."
The ValueStackDataSource implements JRDataSource, not JRRewindableDatasource,
If a "non-splittable" subreport iterates over a collection that might go over
the page boundary, an exception is thrown because it cannot rewind the
collection.
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