flux pdf (JasperReport) vide

Bonjour

Je cherche a generer un PDF depuis une servlet avec des Donnees XML et non pas des données base de donnee
J'ai deux exemples qui fonctionne le PDFServlet de la demo Jasper et un exemple en Main qui me donne des données a partir du XML et du JRXML .
Mais pour la sortie servlet mon document est vide alors que le tableau de bytes est bien renseignée .
Ou est mon erreur Merci
Philippe

Code:

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/* * pour l'instant cree un fichier PDF vide en parant du .jrxml */   package jasperxml01;   // http://82.247.148.50/jasper204/servlet/jasperxml01.Demo4     import java.io.BufferedInputStream; import java.io.File; import java.io.FileInputStream;   import java.io.IOException;   import java.io.PrintWriter;   import net.sf.jasperreports.engine.*; import java.util.HashMap;   import java.util.Map;   import javax.servlet.ServletContext; import javax.servlet.ServletException; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServlet;   import javax.servlet.http.HttpServletRequest;   import javax.servlet.http.HttpServletResponse;   public class Demo4 extends HttpServlet { /** * */ public void service( HttpServletRequest request, HttpServletResponse response ) throws IOException, ServletException { ServletContext context = this.getServletConfig().getServletContext();       String xmlFileName = context.getRealPath("/reports/addressbook.xml"); // fichier de donnee Initiale String jrxmlFileName = context.getRealPath("/reports/Addressbook.jrxml"); // fichier de conception initiale   //Uniquement pour les parametres File reportFile = new File(context.getRealPath("/reports/Addressbook.jrxml")); if (!reportFile.exists()) throw new JRRuntimeException("File WebappReport.jasper not found. The report design must be compiled first."); String recordPath = "/addressbook/category/person";   System.out.println("demo4 "+xmlFileName); System.out.println("demo4 "+jrxmlFileName); // recuperation des Donées XML JRXMLDataSource jrxmlds = new JRXMLDataSource(xmlFileName,recordPath);     HashMap hm = new HashMap(); hm.put("ReportTitle", "Address Report"); hm.put("BaseDir", reportFile.getParentFile());       byte[] bytes = null;   try { bytes = JasperRunManager.runReportToPdf(JasperCompileManager.compileReport(jrxmlFileName), hm, jrxmlds); System.out.println("demo4 bytes.length="+bytes.length);   } catch (JRException e) { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<head>"); out.println("<title>JasperReports - Web Application Sample</title>"); out.println("<link rel=\"stylesheet\" type=\"text/css\" href=\"../stylesheet.css\" title=\"Style\">"); out.println("</head>");   out.println("<body bgcolor=\"white\">");   out.println("<span class=\"bnew\">JasperReports encountered this error :</span>"); out.println("<pre>");   e.printStackTrace(out);   out.println("</pre>");   out.println("</body>"); out.println("</html>");   return; }   if (bytes != null && bytes.length > 0) { response.setContentType("application/pdf"); response.setContentLength(bytes.length); ServletOutputStream ouputStream = response.getOutputStream(); ouputStream.write(bytes, 0, bytes.length); ouputStream.flush(); ouputStream.close(); } else { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<head>"); out.println("<title>JasperReports - Web Application Sample</title>"); out.println("<link rel=\"stylesheet\" type=\"text/css\" href=\"../stylesheet.css\" title=\"Style\">"); out.println("</head>");   out.println("<body bgcolor=\"white\">");   out.println("<span class=\"bold\">Empty response.</span>");   out.println("</body>"); out.println("</html>"); }   }     }   package jasperxml01;     public class FieldNode {           private java.util.Properties attributes; private java.util.Vector children; private String name = ""; private String value = null; private int childIndex = 0; //private booleanboolean consumed = false; private boolean consumed = false;   public FieldNode(String name) { super(); attributes = new java.util.Properties(); children = new java.util.Vector(); this.name = name; }   public java.util.Properties getAttributes() { return attributes; }   public void setAttributes(java.util.Properties attributes) { this.attributes = attributes; }   public java.lang.String getName() { return name; }   public void setName(java.lang.String name) { this.name = name; }   public java.lang.String getValue() { return value; }   public java.lang.String getValue(String def) { if (value == null || value.length() == 0) return def; return value; }   // public booleanboolean getValueAsBoolean() { public boolean getValueAsBoolean() { if (value != null && value.trim().equalsIgnoreCase("true")) return true; return false; }   public int getValueAsInteger() { try { return Integer.parseInt(value + ""); } catch (Exception ex) { return 0; } }   public void setValue(java.lang.String value) { this.value = value; }   //public FieldNode getChild(java.lang.String childName, booleanboolean noNull) { public FieldNode getChild(java.lang.String childName, boolean noNull) { java.util.Enumeration enum_children = children.elements(); while (enum_children.hasMoreElements()) { FieldNode cn = (FieldNode)enum_children.nextElement(); if (cn.getName().equals(childName)) return cn; } if (noNull) { FieldNode cn = new FieldNode(childName); this.children.add(cn); return cn; } return null; }   public java.util.Vector getChilddren(java.lang.String childName) { java.util.Vector result = new java.util.Vector(); java.util.Enumeration enum_children = children.elements(); while (enum_children.hasMoreElements()) { FieldNode cn = (FieldNode)enum_children.nextElement(); if (cn.getName().equals(childName)) { result.add(cn); } } return result; }   public FieldNode getChild(java.lang.String childName) { return getChild(childName, true); }   public FieldNode getNextChild() { if (this.getChildren().size() == 0) { return new FieldNode("Unnamed"); } if (childIndex < 0) { childIndex = 0; } return (FieldNode)this.getChildren().elementAt(childIndex); }   public java.lang.String getAttribute(String attrName) { return attributes.getProperty(attrName); }   public java.lang.String getAttribute(String attrName, String def) { return attributes.getProperty(attrName, def); }   // public booleanboolean getAttributeAsBoolean(String attrName) { public boolean getAttributeAsBoolean(String attrName) { String val = attributes.getProperty(attrName); if (val != null && val.trim().equalsIgnoreCase("true")) return true; return false; }   public int getAttributeAsInteger(String attrName) { try { String val = attributes.getProperty(attrName); return Integer.parseInt(val + ""); } catch (Exception ex) { return 0; } }   public java.util.Vector getChildren() { return children; }   public void setChildren(java.util.Vector children) { this.children = children; }   // public booleanboolean next(String xmlPath) { public boolean next(String xmlPath) { if (xmlPath.startsWith("/")) { xmlPath = xmlPath.substring(1); } if (xmlPath.indexOf("/") < 0) { if (!consumed) { return consumed = true; } else return false; } xmlPath = xmlPath.substring(xmlPath.indexOf("/")); if (childIndex == 0 && getChildren().size() == 0) { if (!consumed) { return consumed = true; } else return false; } if (!getNextChild().next(xmlPath)) { childIndex++; if (childIndex < getChildren().size()) return getNextChild().next(xmlPath); } else { return true; } return false; }   public String getChildsPath(String xmlPath) { if (xmlPath.indexOf("/") == xmlPath.lastIndexOf("/")) { return ""; } xmlPath = xmlPath.substring(xmlPath.indexOf("/") + 1); return this.getNextChild().getName() + "(" + childIndex + ")::" + this.getNextChild().getChildsPath(xmlPath); } }       public class JRXMLDataSource implements net.sf.jasperreports.engine.JRDataSource {           private FieldNode rootFieldNode = null; private String rowPath = "/"; private FieldNode actualPath = null;   public JRXMLDataSource(String uri, String rowPath) { super(); this.rowPath = rowPath; try { DocumentBuilder db = DocumentBuilderFactory.newInstance().newDocumentBuilder(); org.w3c.dom.Document doc = db.parse(uri); build(doc); } catch (Exception ex) { ex.printStackTrace(); } }   public JRXMLDataSource(java.io.File file, String rowPath) { super(); this.rowPath = rowPath; try { DocumentBuilder db = DocumentBuilderFactory.newInstance().newDocumentBuilder(); org.w3c.dom.Document doc = db.parse(file); build(doc); } catch (Exception ex) { ex.printStackTrace(); } }   public JRXMLDataSource(java.io.InputStream is, String rowPath) { super(); this.rowPath = rowPath; try { DocumentBuilder db = DocumentBuilderFactory.newInstance().newDocumentBuilder(); org.w3c.dom.Document doc = db.parse(is); build(doc); } catch (Exception ex) { ex.printStackTrace(); } }   public JRXMLDataSource(FieldNode rootFieldNode, String rowPath) { super(); this.rowPath = rowPath; this.rootFieldNode = rootFieldNode; }   private void build(org.w3c.dom.Document doc) throws Exception { Element element = doc.getDocumentElement(); rootFieldNode = createNode(element, null); }   private FieldNode createNode(Node element, FieldNode parent) throws Exception { FieldNode cn = new FieldNode(element.getNodeName()); NamedNodeMap attributes = element.getAttributes(); for (int i = 0; i < attributes.getLength(); ++i) { Node node = attributes.item(i); cn.getAttributes().setProperty(node.getNodeName(), node.getNodeValue()); } NodeList nl = element.getChildNodes(); for (int i = 0; i < nl.getLength(); ++i) { Node node = nl.item(i); if (node.getNodeType() == Node.ELEMENT_NODE) { createNode(node, cn); } else if (node.getNodeType() == Node.CDATA_SECTION_NODE || node.getNodeType() == Node.TEXT_NODE) { cn.setValue(node.getNodeValue()); } } if (parent != null) { parent.getChildren().add(cn); } else { parent = cn; } return parent; }   public Object getFieldValue(net.sf.jasperreports.engine.JRField jRField) throws net.sf.jasperreports.engine.JRException { String path = jRField.getDescription(); Object val = getPathValue(rootFieldNode, path); { return val; } }   // public booleanboolean next() throws net.sf.jasperreports.engine.JRException { public boolean next() throws net.sf.jasperreports.engine.JRException { return rootFieldNode.next(this.rowPath); }   public String getActualPath() { String childPath = this.rowPath; childPath = rowPath.substring(rootFieldNode.getName().length() + 1); return rootFieldNode.getName() + "::" + rootFieldNode.getChildsPath(rowPath); }   public static void main(String[] argv) { JRXMLDataSource ds = new JRXMLDataSource("C:\\\\test_ireport.xml", "/addressbook/address/ciccio"); try { System.out.println("starting"); while (ds.next()) { System.out.println(ds.getActualPath()); } System.out.println("finishing"); } catch (Exception ex) { ex.printStackTrace(); } }   private Object getPathValue(FieldNode startingNode, String path) { String tag = ""; if (path == null) return startingNode.getValue(); if (path.startsWith("/")) path = path.substring(1); String sub_path = ""; if (path.indexOf("+") >= 0) { sub_path = path.substring(path.indexOf("+") + 1); path = path.substring(0, path.indexOf("+") + 1); } if (path.indexOf("/") < 0) { if (path.indexOf("@") >= 0) { tag = path.substring(path.indexOf("@") + 1); return startingNode.getAttribute(tag); } else if (path.indexOf("*") >= 0) { String childName = path.substring(path.indexOf("*") + 1); FieldNode fn = new FieldNode(startingNode.getName()); fn.setAttributes(startingNode.getAttributes()); fn.setChildren(startingNode.getChilddren(childName)); return new JRXMLDataSource(fn, "/" + startingNode.getName() + "/" + childName); } else if (path.indexOf("+") >= 0) { String childToTake = sub_path; childToTake = getNextNodeName(sub_path); return getSubPathValue(startingNode.getChild(childToTake), sub_path); } else { return startingNode.getValue(); } } path = path.substring(path.indexOf("/") + 1); path += sub_path; return getPathValue(startingNode.getNextChild(), path); }   private Object getSubPathValue(FieldNode startingNode, String path) { String tag = ""; if (path == null) return startingNode.getValue() + "[" + path + "]"; if (path.startsWith("/")) path = path.substring(1); if (path.indexOf("/") < 0) { if (path.indexOf("@") >= 0) { tag = path.substring(path.indexOf("@") + 1); return startingNode.getAttribute(tag); } else if (path.indexOf("*") >= 0) { String childName = path.substring(path.indexOf("*") + 1); FieldNode fn = new FieldNode(startingNode.getName()); fn.setAttributes(startingNode.getAttributes()); fn.setChildren(startingNode.getChilddren(childName)); return new JRXMLDataSource(fn, "/" + startingNode.getName() + "/" + childName); } else { return startingNode.getValue(); } } else { path = path.substring(path.indexOf("/") + 1); String childToTake = path; childToTake = getNextNodeName(path); return getSubPathValue(startingNode.getChild(childToTake), path); } }   private static String getNextNodeName(String path) { if (path == null || path.length() == 0) return ""; if (path.startsWith("/")) path = path.substring(1); String childToTake = path; if (path.indexOf("/") >= 0) { childToTake = path.substring(0, path.indexOf("/")); } if (childToTake.indexOf("@") >= 0) { childToTake = childToTake.substring(0, path.indexOf("@")); } if (childToTake.indexOf("*") >= 0) { childToTake = childToTake.substring(0, path.indexOf("*")); } return childToTake; } }

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Pas de trace dans les log (met des traces) ?

J'ai juste mis quelques System.out mais cela ne m'indique rien

Il faut vérifier tous les points un par un :
1) le document xml est présent et tu arrive à le charger (affiche le dans les log)
2) JRXMLDataSource n'est pas vide (recordpath correct ?)

Si c'est vide il est fort probable que JRXMLDataSource est vide ou mauvais.

Bonjour

Le JRXMLDATASOURCE n'est pas vide
je pense que c'est bytes = JasperRunManager.runReportToPdf(JasperCompileManager.compileReport(jrxmlFileName), hm, jrxmlds); qui est mauvais

Philippe

Voici mes donnees

Fichier de donnee XML
- <addressbook>
- <category name="home">
- <person id="1">
<LASTNAME>Davolio</LASTNAME>
<FIRSTNAME>Nancy</FIRSTNAME>
- <hobbies>
<hobby>Radio Control</hobby>
<hobby>R/C Cars</hobby>
<hobby>Micro R/C Cars</hobby>
<hobby>Die-Cast Models</hobby>
</hobbies>
<email>email1@my.domain.it</email>
<email>email2@my.domain2.it</email>
</person>


Chemin JAVA
String recordPath = "/addressbook/category/person";

Fichier JRXML
<?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="Addressbook"
columnCount="2"
printOrder="Vertical"
orientation="Portrait"
pageWidth="595"
pageHeight="842"
columnWidth="270"
columnSpacing="7"
leftMargin="18"
rightMargin="14"
topMargin="47"
bottomMargin="14"
whenNoDataType="AllSectionsNoDetail"
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="Buyercode1" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[""]]></defaultValueExpression>
</parameter>
<parameter name="Buyercode2" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="Buyername1" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[" "]]></defaultValueExpression>
</parameter>
<parameter name="Buyername2" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="Buyeraddr11" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[" "]]></defaultValueExpression>
</parameter>
<parameter name="Buyeraddr12" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="Buyeraddr21" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[" "]]></defaultValueExpression>
</parameter>
<parameter name="Buyeraddr22" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="Buyeraddr31" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[" "]]></defaultValueExpression>
</parameter>
<parameter name="Buyeraddr32" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="Country1" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[" "]]></defaultValueExpression>
</parameter>
<parameter name="Country2" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="city1" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[" "]]></defaultValueExpression>
</parameter>
<parameter name="city2" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="pincode1" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[" "]]></defaultValueExpression>
</parameter>
<parameter name="pincode2" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="catagory1" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[" "]]></defaultValueExpression>
</parameter>
<parameter name="catagory2" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="tel11" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[" "]]></defaultValueExpression>
</parameter>
<parameter name="tel12" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="tel21" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[" "]]></defaultValueExpression>
</parameter>
<parameter name="tel22" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="fax1" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[" "]]></defaultValueExpression>
</parameter>
<parameter name="fax2" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="email1" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[" "]]></defaultValueExpression>
</parameter>
<parameter name="email2" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="website1" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[" "]]></defaultValueExpression>
</parameter>
<parameter name="website2" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="desig1" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA[" "]]></defaultValueExpression>
</parameter>
<parameter name="desig2" isForPrompting="false" class="java.lang.String">
<defaultValueExpression ><![CDATA["z"]]></defaultValueExpression>
</parameter>
<parameter name="Line" isForPrompting="false" class="java.lang.Boolean">
<defaultValueExpression ><![CDATA[new Boolean("FALSE")]]></defaultValueExpression>
</parameter>
<queryString><![CDATA[Select Buyercode,Buyername,Designation,Company,Title,Buyeraddr1,Buyeraddr2,Buyeraddr3,Buyeraddr4,Country,City,Pincode,Catagory,Tel1,Tel2,Fax,Email,Website from SOFBM where Buyercode between $P{Buyercode1} and $P{Buyercode2} and Buyername between $P{Buyername1} and $P{Buyername2} and Designation between $P{desig1} and $P{desig2} and Buyeraddr1 between $P{Buyeraddr11} and $P{Buyeraddr12} and Buyeraddr2 between $P{Buyeraddr21} and $P{Buyeraddr22} and Buyeraddr3 between $P{Buyeraddr31} and $P{Buyeraddr32} and Country between $P{Country1} and $P{Country2} and City between $P{city1} and $P{city2} and Pincode between $P{pincode1} and $P{pincode2} and Catagory between $P{catagory1} and $P{catagory2} and Tel1 between $P{tel11} and $P{tel12} and Tel2 between $P{tel21} and $P{tel22} and Fax between $P{fax1} and $P{fax2} and EMail between $P{email1} and $P{email2} and Website between $P{website1} and $P{website2} order by Buyercode]]></queryString>

<field name="Buyercode" class="java.lang.String"/>
<field name="Buyername" class="java.lang.String"/>
<field name="Designation" class="java.lang.String"/>
<field name="Company" class="java.lang.String"/>
<field name="Title" class="java.lang.String"/>
<field name="Buyeraddr1" class="java.lang.String"/>
<field name="Buyeraddr2" class="java.lang.String"/>
<field name="Buyeraddr3" class="java.lang.String"/>
<field name="Buyeraddr4" class="java.lang.String"/>
<field name="Country" class="java.lang.String"/>
<field name="City" class="java.lang.String"/>
<field name="Pincode" class="java.lang.String"/>
<field name="Catagory" class="java.lang.String"/>
<field name="Tel1" class="java.lang.String"/>
<field name="Tel2" class="java.lang.String"/>
<field name="Fax" class="java.lang.String"/>
<field name="Email" class="java.lang.String"/>
<field name="Website" class="java.lang.String"/>

<variable name="Sno" class="java.lang.Integer" resetType="Report" calculation="Count">
<variableExpression><![CDATA[$F{Buyercode}]]></variableExpression>
</variable>
<background>
<band height="0" isSplitAllowed="true" >
</band>
</background>
<title>
<band height="0" isSplitAllowed="true" >
</band>
</title>
<pageHeader>
<band height="0" isSplitAllowed="true" >
</band>
</pageHeader>
<columnHeader>
<band height="0" isSplitAllowed="true" >
</band>
</columnHeader>
<detail>
<band height="96" isSplitAllowed="true" >
<rectangle radius="0" >
<reportElement
mode="Transparent"
x="3"
y="1"
width="271"
height="92"
forecolor="#000000"
backcolor="#FFFFFF"
key="rectangle-1">
<printWhenExpression><![CDATA[$P{Line}]]></printWhenExpression>
</reportElement>
<graphicElement stretchType="NoStretch" fill="Solid" >
<pen lineWidth="0.25" lineStyle="Solid"/>
</graphicElement>
</rectangle>
<textField isStretchWithOverflow="false" pattern="" isBlankWhenNull="true" evaluationTime="Now" hyperlinkType="None" hyperlinkTarget="Self" >
<reportElement
mode="Transparent"
x="8"
y="16"
width="262"
height="75"
forecolor="#000000"
backcolor="#FFFFFF"
key="textField-6"
positionType="Float"/>
<box> <topPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
<leftPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
<bottomPen lineWidth="0.0" lineColor="#000000"/>
<rightPen lineWidth="0.0" lineStyle="Solid" lineColor="#FFFFFF"/>
</box>
<textElement textAlignment="Left" verticalAlignment="Top" rotation="None" lineSpacing="Single">
<font fontName="Arial" pdfFontName="Helvetica" size="9" isBold="false" isItalic="false" isUnderline="false" isPdfEmbedded ="false" pdfEncoding ="Cp1252" isStrikeThrough="false" />
</textElement>
<textFieldExpression class="java.lang.String"><![CDATA[new String(($F{Designation}.length()==0?"":($F{Designation}+"\n"))+($F{Company}.length()==0?"":($F{Company}+"\n"))+($F{Buyeraddr1}.length()==0?"":($F{Buyeraddr1}+"\n"))+($F{Buyeraddr2}.length()==0?"":($F{Buyeraddr2}+"\n"))+($F{Buyeraddr4}.length()==0?"":($F{Buyeraddr4}+"\n"))+($F{City}.length()==0?"":($F{City}+"\n"))+($F{Country}.length()==0?"":($F{Country})))]]></textFieldExpression>
</textField>
<textField isStretchWithOverflow="false" pattern="" isBlankWhenNull="true" evaluationTime="Now" hyperlinkType="None" hyperlinkTarget="Self" >
<reportElement
mode="Transparent"
x="8"
y="3"
width="262"
height="14"
forecolor="#000000"
backcolor="#FFFFFF"
key="textField-7"
positionType="Float"/>
<box> <topPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
<leftPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
<bottomPen lineWidth="0.0" lineColor="#000000"/>
<rightPen lineWidth="0.0" lineStyle="Solid" lineColor="#FFFFFF"/>
</box>
<textElement textAlignment="Left" verticalAlignment="Top" rotation="None" lineSpacing="Single">
<font fontName="Times New Roman" pdfFontName="Times-Roman" size="9" isBold="true" isItalic="false" isUnderline="false" isPdfEmbedded ="false" pdfEncoding ="Cp1252" isStrikeThrough="false" />
</textElement>
<textFieldExpression class="java.lang.String"><![CDATA[$F{Title}+". "+$F{Buyername}]]></textFieldExpression>
</textField>
<rectangle radius="0" >
<reportElement
mode="Transparent"
x="7"
y="17"
width="263"
height="0"
forecolor="#FFFFFF"
backcolor="#FFFFFF"
key="rectangle-2"
positionType="Float"/>
<graphicElement stretchType="NoStretch" fill="Solid" >
<pen lineWidth="0.25" lineStyle="Solid"/>
</graphicElement>
</rectangle>
</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>

Merci d'avance

Ces lignes peuvent poser de gros problèmes car elles possèdent des caractères spéciaux (surtout le /):
<hobby>R/C Cars</hobby>
<hobby>Micro R/C Cars</hobby>
<hobby>Die-Cast Models</hobby>

Il faut encapsuler ces strings dans des CDATA .

J'ai enleve les caracteres spéciaux du fichier XML, mais j'au toujours le fichier vide

J'ai l'impression que mon fichier JRXML est mauvais ?

Tu peut le valider dans un logiciel (oxygen xml editor), xmlspy avec la dtd