More than one value of type [net.sf.jasperreports.engine.JRDataSource] found

I getting this exception while using a subreport in my jasper report and trying to pass a datasource for my subreport. Datasource for report is ‘datasource’ and datasource for subreport is ‘pardatasource’.

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.IllegalArgumentException: More than one value of type [net.sf.jasperreports.engine.JRDataSource] found
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:488)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:431)
javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:265)
org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
com.ccclogic.core.filter.SessionTimeoutFilter.doFilter(SessionTimeoutFilter.java:127)
July 28, 2009 | Filed Under Exception 

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Comments

One Response to “More than one value of type [net.sf.jasperreports.engine.JRDataSource] found”

  1. Amit on July 28th, 2009 7:03 pm

    Since you are using two datasource for your report. You must tell jasper a default datasource for main report. This can be specified by using reportDataKey

    testReport.class=org.springframework.web.servlet.view.jasperreports.JasperReportsMultiFormatView
    testReport.url=reports/testReport.jasper
    testReport.reportDataKey=datasource

    This test report is using reportDataKey to specify datasource used by report.

    Let me know if there is any problem you are facing regarding this issue.

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