Dando null quando tento gerar relatorio no ireport

Erro gerado a baixo:

java.lang.NullPointerException

at br.com.romaninisistemas.controlerelatorio.RelatorioEstoqueControlador.geraRelatorio(RelatorioEstoqueControlador.java:32)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at sun.reflect.DelegatingMethodAccessorImpl.__invoke(DelegatingMethodAccessorImpl.java:43)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java)

at java.lang.reflect.Method.invoke(Method.java:498)

Meu RelatorioEstoqueControlador

package br.com.romaninisistemas.controlerelatorio;

/**

• Created by fonseca on 12/27/17.
  */

import br.com.romaninisistemas.entidade.Estoque;

import br.com.romaninisistemas.negocio.EstoqueFacade;

import br.com.romaninisistemas.util.FacesContextUtil;

import com.ocpsoft.pretty.faces.annotation.URLMapping;

import com.ocpsoft.pretty.faces.annotation.URLMappings;

import javax.faces.bean.ManagedBean;

import javax.faces.bean.ViewScoped;

import java.io.Serializable;

import java.math.BigDecimal;

import java.util.*;

@ViewScoped

@URLMappings(mappings = {

@URLMapping(id = “relatorio-estoque”, pattern = “/admin/relatorio/estoque/”, viewId = “/faces/admin/relatorios/estoque/estoquerelatorio.xhtml”)})

@ManagedBean

public class RelatorioEstoqueControlador extends AbstractReport {

public void geraRelatorio() {


    try {
        Estoque estoque = new Estoque();
        HashMap parametros = new HashMap();
        parametros.put("ID", estoque.getId());
        parametros.put("descrcao", estoque.getProduto().getDescricao());
        parametros.put("quantidade", estoque.getQuantidade());
        parametros.put("preco", estoque.getProduto().getPreco());



        super.gerarRelatorio("EstoqueRelatorio.jasper", parametros);

    } catch (Exception e) {
        e.printStackTrace();
        FacesContextUtil.addMessageError("Problema na hora de gerar relatório!");
    }
}

}
Meu AbstractReport

package br.com.romaninisistemas.controlerelatorio;

import br.com.romaninisistemas.negocio.EstoqueFacade;

import br.com.romaninisistemas.util.FacesContextUtil;

import net.sf.jasperreports.engine.JRException;

import net.sf.jasperreports.engine.JRExporterParameter;

import net.sf.jasperreports.engine.JasperFillManager;

import net.sf.jasperreports.engine.JasperPrint;

import net.sf.jasperreports.engine.export.JRPdfExporter;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.web.context.support.SpringBeanAutowiringSupport;

import javax.faces.bean.ManagedBean;

import javax.faces.bean.ViewScoped;

import javax.faces.context.FacesContext;

import javax.naming.Context;

import javax.naming.InitialContext;

import javax.servlet.ServletContext;

import javax.servlet.ServletOutputStream;

import javax.servlet.http.HttpServletResponse;

import javax.sql.DataSource;

import <a href="http://java.io">java.io</a>.*;

import java.sql.Connection;

import java.sql.SQLException;

import java.util.HashMap;

/**

• Created by fonseca on 12/27/17.
  */
  @ManagedBean
  @ViewScoped
  public class AbstractReport implements Serializable{

  public AbstractReport() {
  
  injetarDependenciasSpring();
  
  }
  

  public final void injetarDependenciasSpring() {
  
  ServletContext servletContext = (ServletContext) FacesContext.getCurrentInstance().getExternalContext().getContext();
  
  SpringBeanAutowiringSupport.processInjectionBasedOnServletContext(this, servletContext);
  
  }
  

  private Connection recuperaConexaoJDBC() {
  
  Connection conexao = null;
  
  try {
  
  InitialContext ctx = new InitialContext();
  
  Context context = (Context) ctx.lookup(“java:/comp/env”);
  
  DataSource ds = (DataSource) context.lookup(“romaniniJNDI”);
  
  conexao = ds.getConnection();
  
  return conexao;
  

  } catch (SQLException ex) {
       System.out.println("erro ...: " + ex.getMessage() + " -> " + ex.getCause());
       return conexao;
   } catch (Exception ex) {
       System.out.println("erro 1...: " + ex.getMessage() + " -> " + ex.getCause());
       return conexao;
   }
  

  }

  public void gerarRelatorio(String arquivoJasper, HashMap parametros) throws JRException, IOException {
  
  //recupera informação do faces
  
  FacesContext facesContext = FacesContext.getCurrentInstance();
  
  facesContext.responseComplete();
  
  ServletContext scontext = (ServletContext) facesContext.getExternalContext().getContext();
  
  //gera relatorio com as classes do jasper
  
  JasperPrint jasperPrint = JasperFillManager.fillReport(scontext.getRealPath("/WEB-INF/relatorios/" + arquivoJasper), parametros, recuperaConexaoJDBC());
  
  ByteArrayOutputStream dadosByte = new ByteArrayOutputStream();
  
  JRPdfExporter exporter = new JRPdfExporter();
  
  exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
  
  exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, dadosByte);
  
  exporter.exportReport();
  
  byte[] bytes = dadosByte.toByteArray();
  
  if (bytes != null && bytes.length > 0) {
  
  int recorte = arquivoJasper.indexOf(".");
  
  String nomePDF = arquivoJasper.substring(0, recorte);
  
  HttpServletResponse response = (HttpServletResponse) facesContext.getExternalContext().getResponse();
  
  response.setContentType(“application/pdf”);
  
  response.setHeader(“Content-disposition”, “inline; filename=”" + nomePDF + “.pdf”");
  
  response.setContentLength(bytes.length);
  
  ServletOutputStream outputStream = response.getOutputStream();
  
  outputStream.write(bytes, 0, bytes.length);
  
  outputStream.flush();
  
  outputStream.close();
  
  }
  
  }
  

  public String getCaminhoImagem() {
  
  FacesContext facesContext = FacesContext.getCurrentInstance();
  
  String caminho = ((ServletContext) facesContext.getExternalContext().getContext()).getRealPath("/resources/images/16x16");
  
  caminho += “/”;
  
  return caminho;
  
  }
  

  public String getCaminho() {
  
  FacesContext facesContext = FacesContext.getCurrentInstance();
  
  String caminho = ((ServletContext) facesContext.getExternalContext().getContext()).getRealPath("/WEB-INF/relatorios");
  
  caminho += “/”;
  
  return caminho;
  
  }
  

  public void navegarEmbora() {

  FacesContextUtil.redirecionamentoInterno("/admin/home/");
  

  }

}