iReport no eclipse.. SOCORRO!

Boa Noite pessoal…
estudando um exemplo retirado aqui do guj, estou tentando rodar um ireport com array, para utilizar essa metodologia no meu sistema… porem meu relário não carrega o sub e eu não sei mais o que fazer…
abaixo segue tudo que fiz, se alguem puder me ajudar…

rel_1.jasper
rel_2.jasper
NomeDataSource.java
GerarDadosFicticios.java
GerarRel.java
Nome.java
Cargo.java

rel_1.jasper

<?xml version="1.0" encoding="UTF-8"  ?>
<!-- Created with iReport - A designer for JasperReports -->
<!DOCTYPE jasperReport PUBLIC "//JasperReports//DTD Report Design//EN" "http://jasperreports.sourceforge.net/dtds/jasperreport.dtd">
<jasperReport
		 name="re_1"
		 columnCount="1"
		 printOrder="Vertical"
		 orientation="Portrait"
		 pageWidth="595"
		 pageHeight="842"
		 columnWidth="535"
		 columnSpacing="0"
		 leftMargin="30"
		 rightMargin="30"
		 topMargin="20"
		 bottomMargin="20"
		 whenNoDataType="NoPages"
		 isTitleNewPage="false"
		 isSummaryNewPage="false">
	<property name="ireport.scriptlethandling" value="0" />
	<property name="ireport.encoding" value="UTF-8" />
	<import value="java.util.*" />
	<import value="net.sf.jasperreports.engine.*" />
	<import value="net.sf.jasperreports.engine.data.*" />

	<parameter name="pathSubRel" isForPrompting="false" class="java.lang.String"/>

	<field name="nome" class="java.lang.String"/>
	<field name="sobrenome" class="java.lang.String"/>
	<field name="Listaemprego" class="java.lang.Object"/>

		<background>
			<band height="0"  isSplitAllowed="true" >
			</band>
		</background>
		<title>
			<band height="0"  isSplitAllowed="true" >
			</band>
		</title>
		<pageHeader>
			<band height="0"  isSplitAllowed="true" >
			</band>
		</pageHeader>
		<columnHeader>
			<band height="20"  isSplitAllowed="true" >
				<textField isStretchWithOverflow="false" isBlankWhenNull="false" evaluationTime="Now" hyperlinkType="None"  hyperlinkTarget="Self" >
					<reportElement
						x="0"
						y="0"
						width="100"
						height="18"
						key="textField"/>
					<box></box>
					<textElement>
						<font/>
					</textElement>
				<textFieldExpression   class="java.lang.String"><![CDATA[$F{nome}]]></textFieldExpression>
				</textField>
				<textField isStretchWithOverflow="false" isBlankWhenNull="false" evaluationTime="Now" hyperlinkType="None"  hyperlinkTarget="Self" >
					<reportElement
						x="100"
						y="0"
						width="100"
						height="18"
						key="textField"/>
					<box></box>
					<textElement>
						<font/>
					</textElement>
				<textFieldExpression   class="java.lang.String"><![CDATA[$F{sobrenome}]]></textFieldExpression>
				</textField>
			</band>
		</columnHeader>
		<detail>
			<band height="257"  isSplitAllowed="true" >
				<subreport  isUsingCache="true">
					<reportElement
						x="0"
						y="0"
						width="535"
						height="42"
						key="subreport-1"/>
					<subreportParameter  name="Listaemprego">
						<subreportParameterExpression><![CDATA[$F{Listaemprego}]]></subreportParameterExpression>
					</subreportParameter>
					<dataSourceExpression><![CDATA[$F{Listaemprego}]]></dataSourceExpression>
					<subreportExpression  class="java.lang.String"><![CDATA[$P{pathSubRel}]]></subreportExpression>
				</subreport>
			</band>
		</detail>
		<columnFooter>
			<band height="0"  isSplitAllowed="true" >
			</band>
		</columnFooter>
		<pageFooter>
			<band height="0"  isSplitAllowed="true" >
			</band>
		</pageFooter>
		<summary>
			<band height="0"  isSplitAllowed="true" >
			</band>
		</summary>
</jasperReport>

rel_2.jasper

<?xml version="1.0" encoding="UTF-8"  ?>
<!-- Created with iReport - A designer for JasperReports -->
<!DOCTYPE jasperReport PUBLIC "//JasperReports//DTD Report Design//EN" "http://jasperreports.sourceforge.net/dtds/jasperreport.dtd">
<jasperReport
		 name="re_2"
		 columnCount="1"
		 printOrder="Vertical"
		 orientation="Portrait"
		 pageWidth="595"
		 pageHeight="842"
		 columnWidth="535"
		 columnSpacing="0"
		 leftMargin="30"
		 rightMargin="30"
		 topMargin="20"
		 bottomMargin="20"
		 whenNoDataType="NoPages"
		 isTitleNewPage="false"
		 isSummaryNewPage="false">
	<property name="ireport.scriptlethandling" value="0" />
	<property name="ireport.encoding" value="UTF-8" />
	<import value="java.util.*" />
	<import value="net.sf.jasperreports.engine.*" />
	<import value="net.sf.jasperreports.engine.data.*" />


	<field name="emprego" class="java.lang.String"/>
	<field name="salario" class="java.lang.Integer"/>

		<background>
			<band height="0"  isSplitAllowed="true" >
			</band>
		</background>
		<title>
			<band height="0"  isSplitAllowed="true" >
			</band>
		</title>
		<pageHeader>
			<band height="0"  isSplitAllowed="true" >
			</band>
		</pageHeader>
		<columnHeader>
			<band height="0"  isSplitAllowed="true" >
			</band>
		</columnHeader>
		<detail>
			<band height="43"  isSplitAllowed="true" >
				<textField isStretchWithOverflow="false" isBlankWhenNull="false" evaluationTime="Now" hyperlinkType="None"  hyperlinkTarget="Self" >
					<reportElement
						x="0"
						y="22"
						width="100"
						height="18"
						key="textField"/>
					<box></box>
					<textElement>
						<font/>
					</textElement>
				<textFieldExpression   class="java.lang.String"><![CDATA[$F{emprego}]]></textFieldExpression>
				</textField>
				<textField isStretchWithOverflow="false" isBlankWhenNull="false" evaluationTime="Now" hyperlinkType="None"  hyperlinkTarget="Self" >
					<reportElement
						x="100"
						y="22"
						width="100"
						height="18"
						key="textField"/>
					<box></box>
					<textElement>
						<font/>
					</textElement>
				<textFieldExpression   class="java.lang.Integer"><![CDATA[$F{salario}]]></textFieldExpression>
				</textField>
				<staticText>
					<reportElement
						x="0"
						y="2"
						width="101"
						height="18"
						key="staticText-1"/>
					<box></box>
					<textElement>
						<font/>
					</textElement>
				<text><![CDATA[Emprego]]></text>
				</staticText>
				<staticText>
					<reportElement
						x="100"
						y="2"
						width="101"
						height="18"
						key="staticText-2"/>
					<box></box>
					<textElement>
						<font/>
					</textElement>
				<text><![CDATA[Salario]]></text>
				</staticText>
			</band>
		</detail>
		<columnFooter>
			<band height="0"  isSplitAllowed="true" >
			</band>
		</columnFooter>
		<pageFooter>
			<band height="0"  isSplitAllowed="true" >
			</band>
		</pageFooter>
		<summary>
			<band height="0"  isSplitAllowed="true" >
			</band>
		</summary>
</jasperReport>

NomeDataSource.java

package jasper;

import java.util.Iterator;
import java.util.List;

import vo.Nome;

import net.sf.jasperreports.engine.JRDataSource;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRField;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;

public class NomeDataSource implements JRDataSource {

    private Iterator<?> itrNome;

    private Object valorAtual;

    private boolean irParaProximoAluno = true;

    public NomeDataSource(List<?> lista) {
        super();
        this.itrNome = lista.iterator();
    }

    public boolean next() throws JRException {
        valorAtual = itrNome.hasNext() ? itrNome.next() : null;
        irParaProximoAluno = (valorAtual != null);
        return irParaProximoAluno;
    }

    public Object getFieldValue(JRField campo) throws JRException {
    	
        Object valor = null;
        Nome nome = (Nome) valorAtual;

        if ("nome".equals(campo.getName())) {
            valor = nome.getNome();
        } else if ("sobrenome".equals(campo.getName())) {
            valor = nome.getSobrenome();
        } else if ("ListaCargo".equals(campo.getName())){
        	valor = new JRBeanCollectionDataSource(nome.getListaCargo());       
        }
        return valor;
    }
}

GerarDadosFicticios.java

package jasper;

import java.util.ArrayList;

import vo.Cargo;
import vo.Nome;

public class GerarDadosFicticios {
	
	public static ArrayList<Nome> getListaNomes() {

		ArrayList<Nome> listaNome = new ArrayList<Nome>();
		ArrayList<Cargo> cargo = null;

		Cargo em1 = null;
		Cargo em2 = null;
		Cargo em3 = null;
		
		em1 = new Cargo("desenvolvedor", "7000");
		em2 = new Cargo("desenvolvedor", "5000");
		em3 = new Cargo("desenvolvedor", "3000");
		cargo = new ArrayList<Cargo>();
		cargo.add(em1);
		cargo.add(em2);
		cargo.add(em3);
		Nome rodrigo = new Nome("Rodrigo", "Furlan", cargo);
		listaNome.add(rodrigo);

		return listaNome;
	}

}

GerarRel.java

package jasper;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.view.JasperViewer;

public class GerarRel {

    private static final String rel1 = "re_1.jasper";
    private static final String rel2 = "jasper/re_2.jasper";

    @SuppressWarnings({ "unchecked", "deprecation" })
	public GerarRel() throws Exception {

        ArrayList listaNomes = GerarDadosFicticios.getListaNomes();

        NomeDataSource ds = new NomeDataSource(listaNomes);

        Map parametros = new HashMap();
        parametros.put("pathSubRel",rel2);
        
        JasperPrint impressao = JasperFillManager.fillReport(getClass()
                .getResourceAsStream(rel1), parametros, ds);

        JasperViewer viewer = new JasperViewer(impressao, true);
        viewer.show();
    }

    public static void main(String[] args) throws Exception {
        new GerarRel();
    }
}

Nome.java

package vo;

import java.io.Serializable;
import java.util.ArrayList;

public class Nome implements Serializable{
	
	private static final long serialVersionUID = 1L;
	private String nome;
	private String sobrenome;
	private ArrayList<String> ListaCargo;
	
	public Nome(String nome, String sobrenome, ArrayList<Cargo> cargo) {
		super();
		this.nome = nome;
		this.sobrenome = sobrenome;
	}

	public String getNome() {
		return nome;
	}

	public void setNome(String nome) {
		this.nome = nome;
	}

	public String getSobrenome() {
		return sobrenome;
	}

	public void setSobrenome(String sobrenome) {
		this.sobrenome = sobrenome;
	}

	public ArrayList<String> getListaCargo() {
		return ListaCargo;
	}

	public void setListaCargo(ArrayList<String> listaCargo) {
		ListaCargo = listaCargo;
	}

}

Cargo.java

package vo;

import java.io.Serializable;

public class Cargo implements Serializable{
	
	private static final long serialVersionUID = 1L;
	private String cargo;
	private String cargo1;

	public Cargo(String cargo, String cargo1){
		super();
		this.cargo = cargo;
		this.cargo1 = cargo1;
	}

	public String getCargo() {
		return cargo;
	}

	public void setCargo(String cargo) {
		this.cargo = cargo;
	}

	public String getCargo1() {
		return cargo1;
	}

	public void setCargo1(String cargo1) {
		this.cargo1 = cargo1;
	}
	
}

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