net.sf.jasperreports.engine.JRRuntimeException: net.sf.jasperreports.engine.JRException: Error retrieving field value from bean: [duplicate] - jasper-reports

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Error retrieving field value from bean
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net.sf.jasperreports.engine.JRException: Error retrieving field value from bean : First_name
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Closed 7 months ago.
I want to generate a report and it's throwing an error that I don't know how to solve. The report is generated by the following .jrxml:
<?xml version="1.0" encoding="UTF-8"?>
<jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="informeAIRe" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="03b7db3d-afd7-4f64-8a72-cf3d16f56c48">
<property name="com.jaspersoft.studio.data.defaultdataadapter" value="One Empty Record"/>
<subDataset name="listaProyectosActivosPorPaisDataSet" uuid="5bbf5724-71a4-46c0-b3a8-591adffb4eed">
<property name="com.jaspersoft.studio.data.defaultdataadapter" value="obtenerPdfInforme"/>
<queryString>
<![CDATA[]]>
</queryString>
<field name="desProyectoI18n" class="java.lang.String"/>
<field name="desProyecto" class="java.lang.String"/>
<field name="lstEstacionesProyecto" class="java.util.List"/>
<field name="lstEstacionesProyectoDataSource" class="net.sf.jasperreports.engine.data.JRBeanCollectionDataSource"/>
<field name="desIntroProyectoI18n" class="java.lang.String"/>
<field name="desIntroAnemometrosEstacionesI18n" class="java.lang.String"/>
<field name="lstAnemometrosEstaciones" class="java.util.List"/>
<field name="lstAnemometrosEstacionesDataSource" class="net.sf.jasperreports.engine.data.JRBeanCollectionDataSource"/>
<field name="lstAnyosGrafica" class="java.util.List"/>
<field name="lstAnyosGraficaDataSource" class="net.sf.jasperreports.engine.data.JRBeanCollectionDataSource"/>
<field name="desIntroGraficaI18n" class="java.lang.String"/>
</subDataset>
<subDataset name="lstEstacionesProyectoDataSet" uuid="4b8e6f89-333d-4efd-a553-6ae182a4f7f5">
<property name="com.jaspersoft.studio.data.defaultdataadapter" value="obtenerPdfInforme"/>
<queryString>
<![CDATA[]]>
</queryString>
<field name="desAlias" class="java.lang.String"/>
</subDataset>
<subDataset name="lstAnemometrosEstacionesDataSource" uuid="3b9c85b4-8078-4829-8f9b-f59b9194b947">
<property name="com.jaspersoft.studio.data.defaultdataadapter" value="obtenerPdfInforme"/>
<queryString>
<![CDATA[]]>
</queryString>
<field name="desAliasYAlturaI18N" class="java.lang.String"/>
</subDataset>
<subDataset name="lstAnyosGraficaDataset" uuid="6cebee6e-125a-4594-be99-2e86ad01bd8c">
<property name="com.jaspersoft.studio.data.defaultdataadapter" value="obtenerPdfInforme"/>
<queryString>
<![CDATA[]]>
</queryString>
<field name="anio" class="java.lang.Integer"/>
<field name="lstDatosMensualesEstacion" class="java.util.List"/>
<field name="lstDatosMensualesEstacionDataSource" class="net.sf.jasperreports.engine.data.JRBeanCollectionDataSource">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
</subDataset>
<subDataset name="lstDatosMensualesEstacionDataSet" uuid="5476630d-7dab-485b-8808-37eae486a627">
<property name="com.jaspersoft.studio.data.defaultdataadapter" value="obtenerPdfInforme"/>
<queryString>
<![CDATA[]]>
</queryString>
<field name="fechaDesde" class="java.lang.String"/>
<field name="fechaHasta" class="java.lang.String"/>
<field name="valor" class="java.lang.String"/>
<field name="desAlias" class="java.lang.String"/>
</subDataset>
<field name="tituloInforme" class="java.lang.String"/>
<field name="instalaciones" class="java.lang.String"/>
<field name="desinstalaciones" class="java.lang.String"/>
<field name="mantenimientos" class="java.lang.String"/>
<field name="tituloVelocidadMedia" class="java.lang.String"/>
<field name="resumenVelocidadMedia" class="java.lang.String"/>
<field name="tituloResumen" class="java.lang.String"/>
<field name="tituloGrafica" class="java.lang.String"/>
<field name="listaVelocidadMedia" class="java.lang.Object"/>
<field name="listaGraficaVelocidadMedia" class="java.util.List">
<fieldDescription><![CDATA[listaGraficaVelocidadMedia]]></fieldDescription>
</field>
<field name="incidencias" class="java.lang.String"/>
<field name="labelX" class="java.lang.String"/>
<field name="labelY" class="java.lang.String"/>
<field name="minGraficaStr" class="java.lang.String"/>
<field name="maxGraficaStr" class="java.lang.String"/>
<field name="maxGrafica" class="java.lang.Double"/>
<field name="minGrafica" class="java.lang.Double"/>
<field name="listaProyectosActivosPorPais" class="java.util.List"/>
<field name="listaProyectosActivosPorPaisDataSource" class="net.sf.jasperreports.engine.data.JRBeanCollectionDataSource"/>
<background>
<band splitType="Stretch"/>
</background>
<pageHeader>
<band height="53">
<image>
<reportElement x="500" y="22" width="55" height="18" uuid="2adf779f-58e3-4783-a6af-d0ddf3552646"/>
<imageExpression><![CDATA["/img/informeMail/aire.png"]]></imageExpression>
</image>
<image>
<reportElement x="0" y="1" width="110" height="44" uuid="a0d75635-60c3-4bed-9193-089479653974"/>
<imageExpression><![CDATA["/img/informeMail/iberdrola.png"]]></imageExpression>
</image>
<line>
<reportElement x="0" y="46" width="555" height="1" uuid="c16d9a6f-ff68-4553-b1ff-42a7e1652df4">
<property name="com.jaspersoft.studio.unit.height" value="px"/>
<property name="com.jaspersoft.studio.unit.width" value="px"/>
</reportElement>
<graphicElement>
<pen lineWidth="2.0" lineColor="#8ABD37"/>
</graphicElement>
</line>
</band>
</pageHeader>
<detail>
<band height="233" splitType="Stretch">
<property name="com.jaspersoft.studio.unit.height" value="px"/>
<textField>
<reportElement x="0" y="13" width="554" height="20" uuid="8b0ba726-a206-4097-9d24-05bce4fba361"/>
<textElement>
<font fontName="Calibri" size="12" isBold="true"/>
</textElement>
<textFieldExpression><![CDATA[$F{tituloInforme}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="0" y="37" width="280" height="20" uuid="ab9a4730-53df-495f-97fb-3b038d73e950"/>
<textElement>
<font fontName="Calibri" size="12" isBold="true"/>
</textElement>
<textFieldExpression><![CDATA[$F{tituloResumen}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="19" y="58" width="536" height="20" uuid="66502d86-1953-4728-8ebe-aa7fb6a09d94"/>
<textElement>
<font fontName="Calibri" size="11"/>
</textElement>
<textFieldExpression><![CDATA[$F{instalaciones}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="19" y="78" width="536" height="20" uuid="91ec850b-370d-40c7-8161-68fcc6ef1e72"/>
<textElement>
<font fontName="Calibri" size="11"/>
</textElement>
<textFieldExpression><![CDATA[$F{desinstalaciones}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="19" y="98" width="536" height="20" uuid="5caf75e5-b446-4be6-ab0b-e5f96b0e94bd"/>
<textElement>
<font fontName="Calibri" size="11"/>
</textElement>
<textFieldExpression><![CDATA[$F{mantenimientos}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="0" y="137" width="554" height="20" uuid="0c5bef77-3ec3-4a62-8817-185b13132d60">
<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="7e39e3e7-ec4b-42e8-9704-e7e4a987beb1"/>
</reportElement>
<textElement>
<font fontName="Calibri" size="12" isBold="true"/>
</textElement>
<textFieldExpression><![CDATA[$F{tituloVelocidadMedia}]]></textFieldExpression>
</textField>
<textField textAdjust="StretchHeight">
<reportElement x="10" y="161" width="544" height="35" uuid="497cea97-bbba-47e2-b37e-a6ebbc6355b4">
<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="836a5a66-ba53-47fb-af73-8b412aaf2814"/>
<property name="com.jaspersoft.studio.unit.height" value="px"/>
</reportElement>
<textElement>
<font fontName="Calibri" size="11"/>
</textElement>
<textFieldExpression><![CDATA[$F{resumenVelocidadMedia}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="10" y="198" width="544" height="30" uuid="646a8a82-2c3b-4828-92eb-d9a70636de3d">
<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="c615cee3-4234-492b-9712-ea16edc8fa59"/>
</reportElement>
<textElement>
<font fontName="Calibri" size="11"/>
</textElement>
<textFieldExpression><![CDATA[$F{tituloGrafica}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="19" y="119" width="536" height="18" uuid="8821c075-e00f-4e7b-ae1b-d8291a445567"/>
<textElement>
<font fontName="Calibri" size="11"/>
</textElement>
<textFieldExpression><![CDATA[$F{incidencias}]]></textFieldExpression>
</textField>
</band>
<band height="400">
<property name="com.jaspersoft.studio.unit.height" value="px"/>
<lineChart>
<chart evaluationTime="Report">
<reportElement x="0" y="0" width="555" height="400" uuid="8bff1265-b471-4e53-b21d-7cc6b411b059">
<property name="com.jaspersoft.studio.unit.height" value="px"/>
</reportElement>
<chartTitle/>
<chartSubtitle/>
<chartLegend/>
</chart>
<categoryDataset>
<dataset resetType="Report">
<datasetRun subDataset="Dataset2" uuid="c6803ced-c454-49e4-bfd2-daa2330b6c91">
<dataSourceExpression><![CDATA[new net.sf.jasperreports.engine.data.JRBeanCollectionDataSource($F{listaGraficaVelocidadMedia})]]></dataSourceExpression>
</datasetRun>
</dataset>
<categorySeries>
<seriesExpression><![CDATA[$F{desAlias}]]></seriesExpression>
<categoryExpression><![CDATA[$F{anio}]]></categoryExpression>
<valueExpression><![CDATA[$F{nVelocidaMedia}]]></valueExpression>
</categorySeries>
</categoryDataset>
<linePlot isShowLines="true" isShowShapes="false">
<plot backgroundAlpha="0.98" foregroundAlpha="1.0" labelRotation="52.0">
<seriesColor seriesOrder="0" color="#008000"/>
<seriesColor seriesOrder="1" color="#EC7000"/>
<seriesColor seriesOrder="2" color="#0045B7"/>
<seriesColor seriesOrder="3" color="#FF0000"/>
<seriesColor seriesOrder="4" color="#7030A0"/>
<seriesColor seriesOrder="5" color="#A6A6A6"/>
<seriesColor seriesOrder="6" color="#A4D76A"/>
<seriesColor seriesOrder="7" color="#FAAA05"/>
<seriesColor seriesOrder="8" color="#77AAFF"/>
<seriesColor seriesOrder="9" color="#FF8080"/>
<seriesColor seriesOrder="10" color="#FFC1FF"/>
<seriesColor seriesOrder="11" color="#D9D9D9"/>
</plot>
<categoryAxisLabelExpression><![CDATA[$F{labelX}]]></categoryAxisLabelExpression>
<categoryAxisFormat labelRotation="52.0">
<axisFormat labelColor="#000000" tickLabelColor="#000000" verticalTickLabels="false" axisLineColor="#000000">
<labelFont>
<font isBold="true"/>
</labelFont>
<tickLabelFont>
<font isBold="true"/>
</tickLabelFont>
</axisFormat>
</categoryAxisFormat>
<valueAxisLabelExpression><![CDATA[$F{labelY}]]></valueAxisLabelExpression>
<valueAxisFormat>
<axisFormat labelColor="#000000" tickLabelColor="#000000" verticalTickLabels="false" axisLineColor="#000000">
<labelFont>
<font isBold="true"/>
</labelFont>
<tickLabelFont>
<font isBold="true"/>
</tickLabelFont>
</axisFormat>
</valueAxisFormat>
<rangeAxisMinValueExpression><![CDATA[$F{minGrafica}.doubleValue()]]></rangeAxisMinValueExpression>
<rangeAxisMaxValueExpression><![CDATA[$F{maxGrafica}.doubleValue()]]></rangeAxisMaxValueExpression>
</linePlot>
</lineChart>
</band>
<band height="110">
<property name="com.jaspersoft.studio.unit.height" value="px"/>
<property name="com.jaspersoft.studio.layout" value="com.jaspersoft.studio.editor.layout.FreeLayout"/>
<crosstab>
<reportElement x="0" y="0" width="555" height="110" uuid="6d3ecf82-bba3-414b-893f-72065d89630b">
<property name="com.jaspersoft.studio.layout" value="com.jaspersoft.studio.editor.layout.FreeLayout"/>
<property name="com.jaspersoft.studio.crosstab.style.header" value="Crosstab 3_CH"/>
<property name="com.jaspersoft.studio.crosstab.style.group" value="Crosstab 3_CG"/>
<property name="com.jaspersoft.studio.crosstab.style.total" value="Crosstab 3_CT"/>
<property name="com.jaspersoft.studio.crosstab.style.detail" value="Crosstab 3_CD"/>
</reportElement>
<crosstabDataset>
<dataset resetType="Report">
<datasetRun subDataset="Dataset1" uuid="fed77a9c-4814-4dfa-a2e2-09baeae749b0">
<dataSourceExpression><![CDATA[$F{listaVelocidadMedia}]]></dataSourceExpression>
</datasetRun>
</dataset>
</crosstabDataset>
<rowGroup name="desAlias" width="45" totalPosition="End">
<bucket class="java.lang.String">
<bucketExpression><![CDATA[$F{desAlias}]]></bucketExpression>
</bucket>
<crosstabRowHeader>
<cellContents mode="Opaque" style="Crosstab 3_CH">
<property name="com.jaspersoft.studio.unit.height" value="px"/>
<property name="com.jaspersoft.studio.unit.width" value="px"/>
<textField>
<reportElement mode="Opaque" x="0" y="0" width="45" height="30" backcolor="#8ABD37" uuid="a9c233d8-6892-4f4d-9abe-affd4fe6751f"/>
<textElement textAlignment="Center" verticalAlignment="Middle">
<font size="9" isBold="true"/>
</textElement>
<textFieldExpression><![CDATA[$V{desAlias}]]></textFieldExpression>
</textField>
</cellContents>
</crosstabRowHeader>
<crosstabTotalRowHeader>
<cellContents mode="Opaque" style="Crosstab 3_CT">
<property name="com.jaspersoft.studio.unit.height" value="px"/>
<staticText>
<reportElement x="0" y="0" width="45" height="0" forecolor="#FFFFFF" uuid="be071980-2865-4744-af86-a633dece807d"/>
<text><![CDATA[Total desAlias]]></text>
</staticText>
</cellContents>
</crosstabTotalRowHeader>
</rowGroup>
<columnGroup name="anio" height="20" totalPosition="End">
<bucket order="Descending" class="java.lang.String">
<bucketExpression><![CDATA[$F{anio}]]></bucketExpression>
</bucket>
<crosstabColumnHeader>
<cellContents mode="Opaque" style="Crosstab 3_CH">
<property name="com.jaspersoft.studio.unit.width" value="px"/>
<textField>
<reportElement mode="Opaque" x="0" y="0" width="35" height="20" backcolor="#C7E29C" uuid="92479285-5ff5-43db-8bae-b62943559eb4"/>
<textElement textAlignment="Center" verticalAlignment="Middle">
<font size="8" isBold="true"/>
</textElement>
<textFieldExpression><![CDATA[$V{anio}]]></textFieldExpression>
</textField>
</cellContents>
</crosstabColumnHeader>
<crosstabTotalColumnHeader>
<cellContents mode="Opaque" style="Crosstab 3_CT">
<property name="com.jaspersoft.studio.unit.width" value="px"/>
<staticText>
<reportElement x="0" y="0" width="0" height="20" forecolor="#FFFFFF" uuid="59c47a57-85fb-4988-a249-4853e871bb87"/>
<text><![CDATA[Total anio]]></text>
</staticText>
</cellContents>
</crosstabTotalColumnHeader>
</columnGroup>
<measure name="velocidadMedia_MEASURE" class="java.lang.String">
<measureExpression><![CDATA[$F{velocidadMedia}]]></measureExpression>
</measure>
<measure name="calidadAnemometro_MEASURE" class="java.lang.String">
<measureExpression><![CDATA[$F{calidadAnemometro}]]></measureExpression>
</measure>
<crosstabCell width="35" height="30">
<cellContents mode="Opaque" style="Crosstab 3_CD">
<textField pattern="0.0" isBlankWhenNull="true">
<reportElement x="0" y="0" width="35" height="15" uuid="2bb4288a-c744-44e6-9e04-e081ce6425ad"/>
<textElement textAlignment="Center" verticalAlignment="Middle">
<font size="8"/>
</textElement>
<textFieldExpression><![CDATA[$V{velocidadMedia_MEASURE}]]></textFieldExpression>
</textField>
<textField pattern="##0" isBlankWhenNull="true">
<reportElement x="0" y="15" width="35" height="15" uuid="57b5c9b4-6b4d-49fa-848f-112b6475a44d"/>
<textElement textAlignment="Center" verticalAlignment="Middle">
<font size="8"/>
</textElement>
<textFieldExpression><![CDATA[$V{calidadAnemometro_MEASURE}]]></textFieldExpression>
</textField>
</cellContents>
</crosstabCell>
<crosstabCell width="0" height="30" columnTotalGroup="anio">
<cellContents mode="Opaque" style="Crosstab 3_CT">
<textField>
<reportElement x="0" y="0" width="0" height="15" forecolor="#FFFFFF" uuid="cbd2211c-1e56-4f5a-bebc-a7866e1fbf30"/>
<textFieldExpression><![CDATA[$V{velocidadMedia_MEASURE}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="0" y="15" width="0" height="15" forecolor="#FFFFFF" uuid="37328cd2-d9d1-4951-8d74-b83ca7047dc4"/>
<textFieldExpression><![CDATA[$V{calidadAnemometro_MEASURE}]]></textFieldExpression>
</textField>
</cellContents>
</crosstabCell>
<crosstabCell width="35" height="0" rowTotalGroup="desAlias">
<cellContents mode="Opaque" style="Crosstab 3_CT">
<textField>
<reportElement x="0" y="0" width="35" height="0" forecolor="#FFFFFF" uuid="2a07bad2-c071-4625-9362-d7bd4be003f3"/>
<textFieldExpression><![CDATA[$V{velocidadMedia_MEASURE}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="0" y="0" width="35" height="0" forecolor="#FFFFFF" uuid="79d6d9c7-6c36-4fe7-9068-4a4aaced1740"/>
<textFieldExpression><![CDATA[$V{calidadAnemometro_MEASURE}]]></textFieldExpression>
</textField>
</cellContents>
</crosstabCell>
<crosstabCell width="0" height="0" rowTotalGroup="desAlias" columnTotalGroup="anio">
<cellContents mode="Opaque" style="Crosstab 3_CT">
<textField>
<reportElement x="0" y="0" width="0" height="0" forecolor="#FFFFFF" uuid="fa8c3299-5731-443e-90a9-95d11529398c"/>
<textFieldExpression><![CDATA[$V{velocidadMedia_MEASURE}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="0" y="0" width="0" height="0" forecolor="#FFFFFF" uuid="1dc6f439-c7b6-4a8f-8ce6-785fdbcbc274"/>
<textFieldExpression><![CDATA[$V{calidadAnemometro_MEASURE}]]></textFieldExpression>
</textField>
</cellContents>
</crosstabCell>
</crosstab>
</band>
<band height="299">
<property name="com.jaspersoft.studio.layout" value="com.jaspersoft.studio.editor.layout.FreeLayout"/>
<property name="com.jaspersoft.studio.unit.height" value="px"/>
<componentElement>
<reportElement positionType="Float" x="3" y="19" width="547" height="280" uuid="c62a4d39-c7a6-47be-a10d-9d04d95d076b">
<property name="com.jaspersoft.studio.layout" value="com.jaspersoft.studio.editor.layout.FreeLayout"/>
<property name="com.jaspersoft.studio.unit.x" value="px"/>
<property name="com.jaspersoft.studio.unit.y" value="px"/>
</reportElement>
<jr:list xmlns:jr="http://jasperreports.sourceforge.net/jasperreports/components" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports/components http://jasperreports.sourceforge.net/xsd/components.xsd" printOrder="Vertical">
<datasetRun subDataset="listaProyectosActivosPorPaisDataSet" uuid="12d7dd8f-df47-4372-9b63-795a3bfa9da7">
<dataSourceExpression><![CDATA[$F{listaProyectosActivosPorPaisDataSource}]]></dataSourceExpression>
</datasetRun>
<jr:listContents height="280" width="547">
<textField>
<reportElement positionType="Float" x="0" y="1" width="547" height="15" uuid="adb8f0b2-da6d-4eec-bd7a-8317e8b6d422">
<property name="com.jaspersoft.studio.unit.height" value="px"/>
</reportElement>
<textElement>
<font fontName="Calibri" size="9"/>
</textElement>
<textFieldExpression><![CDATA[$F{desProyectoI18n}]]></textFieldExpression>
</textField>
<textField>
<reportElement positionType="Float" x="0" y="17" width="547" height="15" uuid="b6c9137c-b868-422d-859c-85afd226160b">
<property name="com.jaspersoft.studio.unit.height" value="px"/>
</reportElement>
<textElement>
<font fontName="Calibri" size="9"/>
</textElement>
<textFieldExpression><![CDATA[$F{desIntroProyectoI18n}]]></textFieldExpression>
</textField>
<componentElement>
<reportElement x="0" y="33" width="547" height="18" uuid="894b7c81-46db-4789-ae59-fd42b6e33ec2">
<property name="com.jaspersoft.studio.layout" value="com.jaspersoft.studio.editor.layout.FreeLayout"/>
</reportElement>
<jr:list printOrder="Vertical">
<datasetRun subDataset="lstEstacionesProyectoDataSet" uuid="a3452e17-a7e7-4701-a963-92d7c02b7997">
<datasetParameter name="REPORT_DATA_SOURCE">
<datasetParameterExpression><![CDATA[$F{lstEstacionesProyectoDataSource}]]></datasetParameterExpression>
</datasetParameter>
<dataSourceExpression><![CDATA[$P{REPORT_CONNECTION}]]></dataSourceExpression>
</datasetRun>
<jr:listContents height="18" width="547">
<textField textAdjust="StretchHeight">
<reportElement positionType="Float" x="0" y="0" width="547" height="15" uuid="659d5578-3875-4845-9503-d6398dc6b76d">
<property name="com.jaspersoft.studio.unit.leftIndent" value="px"/>
</reportElement>
<textElement>
<font fontName="Calibri" size="9"/>
<paragraph leftIndent="25"/>
</textElement>
<textFieldExpression><![CDATA[$F{desAlias}]]></textFieldExpression>
</textField>
<line>
<reportElement x="0" y="16" width="547" height="1" forecolor="rgba(0, 0, 0, 0.0)" uuid="331a6b0e-149f-4189-8419-9eb7c696e042"/>
</line>
</jr:listContents>
</jr:list>
</componentElement>
<textField textAdjust="StretchHeight">
<reportElement positionType="Float" x="0" y="51" width="547" height="15" uuid="e0b9e7f9-323b-4249-9659-f2f0121c3a87">
<property name="com.jaspersoft.studio.unit.height" value="px"/>
</reportElement>
<textElement>
<font fontName="Calibri" size="9"/>
</textElement>
<textFieldExpression><![CDATA[$F{desIntroAnemometrosEstacionesI18n}]]></textFieldExpression>
</textField>
<componentElement>
<reportElement positionType="Float" x="0" y="69" width="547" height="19" uuid="9d0f759c-039b-40e2-90f0-08efd2be27e6">
<property name="com.jaspersoft.studio.layout" value="com.jaspersoft.studio.editor.layout.FreeLayout"/>
</reportElement>
<jr:list printOrder="Vertical">
<datasetRun subDataset="lstAnemometrosEstacionesDataSource" uuid="d1263bf7-a381-48b4-bade-fdd095ce08ce">
<datasetParameter name="REPORT_DATA_SOURCE">
<datasetParameterExpression><![CDATA[$F{lstAnemometrosEstacionesDataSource}]]></datasetParameterExpression>
</datasetParameter>
<dataSourceExpression><![CDATA[$P{REPORT_CONNECTION}]]></dataSourceExpression>
</datasetRun>
<jr:listContents height="19" width="547">
<textField textAdjust="StretchHeight">
<reportElement x="0" y="0" width="547" height="19" uuid="11f44c5b-abf1-4a70-9cdc-9e7a03247eb4">
<property name="com.jaspersoft.studio.unit.leftIndent" value="px"/>
</reportElement>
<textElement markup="none">
<font fontName="Calibri" size="9"/>
<paragraph leftIndent="25"/>
</textElement>
<textFieldExpression><![CDATA[$F{desAliasYAlturaI18N}]]></textFieldExpression>
</textField>
</jr:listContents>
</jr:list>
</componentElement>
<line>
<reportElement positionType="Float" x="0" y="67" width="547" height="1" forecolor="rgba(0, 0, 0, 0.0)" uuid="3740db58-7a73-4746-bc8f-33e780da9934">
<property name="com.jaspersoft.studio.unit.height" value="px"/>
</reportElement>
<graphicElement>
<pen lineColor="rgba(255, 255, 255, 0.0)"/>
</graphicElement>
</line>
<componentElement>
<reportElement x="0" y="108" width="547" height="172" uuid="daebaa0e-bdf9-4bec-ae0b-85f4bab05be0"/>
<jr:list printOrder="Vertical">
<datasetRun subDataset="lstAnyosGraficaDataset" uuid="498702eb-3931-499b-8fce-214d2c1f6adc">
<datasetParameter name="REPORT_DATA_SOURCE">
<datasetParameterExpression><![CDATA[$F{lstAnyosGraficaDataSource}]]></datasetParameterExpression>
</datasetParameter>
<dataSourceExpression><![CDATA[$P{REPORT_CONNECTION}]]></dataSourceExpression>
</datasetRun>
<jr:listContents height="172" width="547">
<lineChart>
<chart evaluationTime="Report">
<reportElement x="20" y="11" width="240" height="150" uuid="938fe9de-fb9f-4979-94f9-a5ec2975ed22"/>
<chartTitle/>
<chartSubtitle/>
<chartLegend/>
</chart>
<categoryDataset>
<dataset resetType="Report">
<datasetRun subDataset="lstDatosMensualesEstacionDataSet" uuid="2fa2595c-1a6a-43a2-b359-0e8baf709970">
<datasetParameter name="REPORT_DATA_SOURCE">
<datasetParameterExpression><![CDATA[$F{lstDatosMensualesEstacionDataSource}]]></datasetParameterExpression>
</datasetParameter>
<connectionExpression><![CDATA[$P{REPORT_CONNECTION}]]></connectionExpression>
</datasetRun>
</dataset>
<categorySeries>
<seriesExpression><![CDATA[$F{desAlias}]]></seriesExpression>
<categoryExpression><![CDATA[$F{fechaDesde}]]></categoryExpression>
<valueExpression><![CDATA[$F{valor}]]></valueExpression>
</categorySeries>
</categoryDataset>
<linePlot>
<plot/>
<categoryAxisFormat>
<axisFormat labelColor="#000000" tickLabelColor="#000000" axisLineColor="#000000"/>
</categoryAxisFormat>
<valueAxisFormat>
<axisFormat labelColor="#000000" tickLabelColor="#000000" axisLineColor="#000000"/>
</valueAxisFormat>
</linePlot>
</lineChart>
</jr:listContents>
</jr:list>
</componentElement>
<textField textAdjust="StretchHeight">
<reportElement positionType="Float" x="0" y="90" width="547" height="15" uuid="644115db-7947-4ed1-bfe2-6c7d9ec3b0f8">
<property name="com.jaspersoft.studio.unit.height" value="px"/>
</reportElement>
<textElement>
<font fontName="Calibri" size="9"/>
</textElement>
<textFieldExpression><![CDATA[$F{desIntroGraficaI18n}]]></textFieldExpression>
</textField>
</jr:listContents>
</jr:list>
</componentElement>
<line>
<reportElement positionType="Float" x="0" y="9" width="555" height="1" forecolor="rgba(0, 0, 0, 0.0)" uuid="ff372b70-a6f2-4f64-bd6f-a0ebcc9ace23"/>
</line>
<break>
<reportElement x="0" y="0" width="100" height="1" uuid="efdd0770-c3a1-4078-832d-e0cfc6c492b4"/>
</break>
</band>
</detail>
The error throwed when generating the report:
net.sf.jasperreports.engine.JRRuntimeException: net.sf.jasperreports.engine.JRException: Error retrieving field value from bean: .
Has somebody know how to solve this problem? thanks!!