Bom dia pessoal, titulo estranho né, falo de novo pois há N Tópicos com esse titulo, e é algo que se torna muito complicado de fazer os famosos relatórios.
Então, já usei o jasperMaker do nosso amigo lavieri e antes me dava um resultado satisfatorio, agora de qualquer forma que eu faça me retorna um nullPointer no fillReport
já debuguei de N maneiras e nenhuma resposta, dai fiz da forma padrão mesmo e aconteceu a mesma coisa.
Já vi se está alimentando a lista, já vi se está convertendo para collection e tudo isso faz mas na hora de fazer o fillReport me retorna nullPointer
Olha como estou fazendo
[code]public void geraRelatorio()
throws Exception {
/*
* Codigo para consultar a lista
*/
List<Produto> list = dao.listaTudo();
/*
* Final da consulta, retorna array para converter em pdf
*/
// Localiza o contexto da pasta onde esta localizado o .jasper
String pathJasper = context.getRealPath("/WEB-INF/jasper") + "/";
// Faz o mapeamento do context para levar o .jasper a conversao em bytes
Map<String, String> parametros = new HashMap<String, String>();
parametros.put("SUBREPORT_DIR", pathJasper);
try {
// Recebe a lista do array populado
JRBeanCollectionDataSource ds = new JRBeanCollectionDataSource(list);
// pega o ds + a conexao para ir ate o ireport para listar o array
// dentro do relatorio
JasperPrint impressao = JasperFillManager.fillReport(pathJasper
+ "/relProduto.jasper", parametros, ds);
// converte o relatorio em bytes gerando o pdf
byte[] bytes = JasperExportManager.exportReportToPdf(impressao);
byte[] arquivo = bytes;
// Tratamento para exportacao do pdf para a url do browser e o
// tratamento de erros.
String nomeDoArquivo = "relProduto.pdf";
response.setContentType("application/x-msdownload");
response.setHeader("Content-Disposition", "attachment; filename=".concat(nomeDoArquivo));
response.setContentLength(arquivo.length);
ServletOutputStream sos = response.getOutputStream();
sos.write(arquivo, 0, arquivo.length);
sos.flush();
sos.close();
} catch (Exception e) {
e.printStackTrace();
}[/code]
Mudando um pouco o log;
08:34:46,141 INFO [XmlBeanFactory ] Overriding bean definition for bean 'ganttType': replacing [Generic bean: class [org.springframework.beans.factory.config.FieldRetrievingFactoryBean]; scope=; abstract=false; lazyInit=false; autowireMode=0; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=null; factoryMethodName=null; initMethodName=null; destroyMethodName=null] with [Generic bean: class [org.springframework.beans.factory.config.FieldRetrievingFactoryBean]; scope=; abstract=false; lazyInit=false; autowireMode=0; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=null; factoryMethodName=null; initMethodName=null; destroyMethodName=null]
java.lang.NullPointerException
at java.lang.Class.isAssignableFrom(Native Method)
at net.sf.jasperreports.engine.fill.JRFillTextField.getFormat(JRFillTextField.java:706)
at net.sf.jasperreports.engine.fill.JRFillTextField.evaluateText(JRFillTextField.java:394)
at net.sf.jasperreports.engine.fill.JRFillTextField.evaluate(JRFillTextField.java:368)
at net.sf.jasperreports.engine.fill.JRFillElementContainer.evaluate(JRFillElementContainer.java:258)
at net.sf.jasperreports.engine.fill.JRFillBand.evaluate(JRFillBand.java:499)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillColumnBand(JRVerticalFiller.java:2016)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillDetail(JRVerticalFiller.java:757)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReportStart(JRVerticalFiller.java:269)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:127)
at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:938)
at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:860)
at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:84)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:624)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:540)
at br.com.tga.vraptor.relatorios.RelatorioDeContratosLogic.geraRelatorio(RelatorioDeContratosLogic.java:66)
at br.com.tga.vraptor.controller.ProdutoController.geraRel(ProdutoController.java:103)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at br.com.caelum.vraptor.interceptor.ExecuteMethodInterceptor.intercept(ExecuteMethodInterceptor.java:61)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:61)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:56)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.interceptor.ExceptionHandlerInterceptor.intercept(ExceptionHandlerInterceptor.java:71)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:61)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.interceptor.InstantiateInterceptor.intercept(InstantiateInterceptor.java:48)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.interceptor.FlashInterceptor.intercept(FlashInterceptor.java:83)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.interceptor.ResourceLookupInterceptor.intercept(ResourceLookupInterceptor.java:69)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:56)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.core.EnhancedRequestExecution.execute(EnhancedRequestExecution.java:44)
at br.com.caelum.vraptor.VRaptor$1.insideRequest(VRaptor.java:92)
at br.com.caelum.vraptor.ioc.spring.SpringProvider.provideForRequest(SpringProvider.java:58)
at br.com.caelum.vraptor.VRaptor.doFilter(VRaptor.java:89)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)
Pessoal, desculpe minha grande ignorancia, mas descobri o que acontecia, o unico “Problema” foi que o meu jar estava com versão diferente do ireport que eu estou gerando.
Aff.
Obrigado
