[jira] Updated: (WW-2776) Exception thrown for subreports in non-splitting bands containing collections that might need to be split.

["Wes Wannemacher (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/struts/browse/WW-2776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes Wannemacher updated WW-2776:
--------------------------------

    Affects Version/s:     (was: 2.1.2)
                       2.2.x
           Issue Type: Improvement  (was: Bug)

I'm not familiar with JasperReports, but if I'm reading it correctly, it seems like this is more of an improvement request than a bug.

> Exception thrown for subreports in non-splitting bands containing collections that might need to be split.
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: WW-2776
>                 URL: https://issues.apache.org/struts/browse/WW-2776
>             Project: Struts 2
>          Issue Type: Improvement
>          Components: Plugin - JasperReports
>    Affects Versions: 2.1.6
>            Reporter: Ben Morgan
>             Fix For: 2.2.x
>
>
> "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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