[ https://issues.apache.org/jira/browse/WW-4794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Deniz Renkligül reopened WW-4794: --------------------------------- Unfortunately I always get the same error with the current updated version (maven repository version of the struts2-core: 2.5.12 and 2.5.13 and net.sf.jasperreports 6.4.3) > Subreport call "Caused by: java.lang.ClassCastException: org.apache.struts2.views.jasperreports.ValueStackDataSource cannot be cast to java.util.Collection" > ------------------------------------------------------------------------------------------------------------------------------------------------------------ > > Key: WW-4794 > URL: https://issues.apache.org/jira/browse/WW-4794 > Project: Struts 2 > Issue Type: Bug > Components: Plugin - JasperReports > Affects Versions: 2.5.10 > Reporter: Deniz Renkligül > Labels: patch > Fix For: 2.5.12 > > > I get the following error if I call in my jasper report “A” a subreport “B”. > {noformat} > Caused by: java.lang.ClassCastException: org.apache.struts2.views.jasperreports.ValueStackDataSource cannot be cast to java.util.Collection > {noformat} > This errors occurs upwards struts2 version 2.3.16. Same code will be executed without errors until struts2 core 2.3.15.3 and struts 2 Jasper Reports Plugin version 2.3.15.3. > My defined variable {{$F\{maintenanceBookletItemDAOList\}}} is a {{java.util.collection}}. > This bug occurs after the struts2 version 2.3.15.3 (Oct 2013) although it will be stated that the error has been fixed WW-3698 > I have tested all other and latest version of struts2 core and struts2 jasper reports plugin version without success if I call in my report A a subreport B via {{new net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F\{maintenanceBookletItemDAOList\})}} and > {{}} > {code:xml} > > > /jasper/MaintenanceBookletEntries.jasper > allMaintenanceBookletPrintDAOList > PDF > > > /jsp/modernLayout/maintenanceBooklet/maintenanceEntries.jsp > > > {code} > {noformat} > net.sf.jasperreports.engine.fill.JRExpressionEvalException: Error evaluating expression : > Source text : new net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F\{maintenanceBookletItemDAOList}) > at net.sf.jasperreports.engine.fill.JREvaluator.evaluate(JREvaluator.java:203) > at net.sf.jasperreports.engine.fill.JRCalculator.evaluate(JRCalculator.java:591) > at net.sf.jasperreports.engine.fill.JRCalculator.evaluate(JRCalculator.java:559) > at net.sf.jasperreports.engine.fill.JRFillElement.evaluateExpression(JRFillElement.java:876) > at net.sf.jasperreports.engine.fill.JRFillSubreport.evaluateSubreport(JRFillSubreport.java:356) > at net.sf.jasperreports.engine.fill.JRFillSubreport.evaluate(JRFillSubreport.java:275) > at net.sf.jasperreports.engine.fill.JRFillElementContainer.evaluate(JRFillElementContainer.java:257) > at net.sf.jasperreports.engine.fill.JRFillBand.evaluate(JRFillBand.java:473) > at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillColumnBand(JRVerticalFiller.java:2021) > at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillDetail(JRVerticalFiller.java:755) > at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReportStart(JRVerticalFiller.java:265) > at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:128) > at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:836) > at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:765) > at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:84) > at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:624) > at org.apache.struts2.views.jasperreports.JasperReportsResult.doExecute(JasperReportsResult.java:325) > at org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:186) > at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:371) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:275) > at org.apache.struts2.interceptor.DeprecationInterceptor.intercept(DeprecationInterceptor.java:41) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:167) > at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265) > at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68) > at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:249) > at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:249) > at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:191) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:73) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:91) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:252) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171) > at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:139) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:193) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:189) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) > at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54) > at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:562) > at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77) > at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99) > at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:178) > at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) > at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) > at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) > at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) > at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) > at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) > at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) > at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861) > at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606) > at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) > at java.lang.Thread.run(Unknown Source) > Caused by: java.lang.ClassCastException: org.apache.struts2.views.jasperreports.ValueStackDataSource cannot be cast to java.util.Collection > at MaintenanceBookletEntry_1493377131470_196207.evaluate(MaintenanceBookletEntry_1493377131470_196207:517) > at net.sf.jasperreports.engine.fill.JREvaluator.evaluate(JREvaluator.java:190) > ... 87 more > {noformat} -- This message was sent by Atlassian JIRA (v6.4.14#64029)