title: UnsupportedEncodingException: UTF_8 Jdom
body: <p>i have this code java</p>
  
  <pre><code>String fichier= "movies.xml";
  builder = new SAXBuilder();
  xmlFile = new File(fichier);
  document = (Document) builder.build(xmlFile);
  </code></pre>
  
  <p>but when i execute this code i have an exception about encodding</p>
  
  <pre><code>Exception in thread "main" com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException: Octet 2 de la séquence UTF-8 à 4 octets non valide.
  at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.invalidByte(UTF8Reader.java:701)
  at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.read(UTF8Reader.java:473)
  at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.load(XMLEntityScanner.java:1793)
  at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.skipChar(XMLEntityScanner.java:1463)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2824)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606)
  at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:118)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
  at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848)
  at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)
  at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
  at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)
  at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:643)
  at org.jdom.input.SAXBuilder.build(SAXBuilder.java:518)
  at org.jdom.input.SAXBuilder.build(SAXBuilder.java:905)
  at org.jdom.input.SAXBuilder.build(SAXBuilder.java:884)
  </code></pre>
  
  <p>at ligne "document = (Document) builder.build(xmlFile);"</p>
  
  <p>so, how can i resolve this problem</p>
  
  <p>thank you in advance</p>