Program: 64882
Project: 64882
Buggy source:
public boolean marshal(XPathFragment xPathFragment,MarshalRecord marshalRecord,Object object,AbstractSession session,NamespaceResolver namespaceResolver){
  if (xmlAnyAttributeMapping.isReadOnly()) {
    return false;
  }
  Object collection=xmlAnyAttributeMapping.getAttributeValueFromObject(object);
  if (collection == null) {
    return false;
  }
  ContainerPolicy cp=getContainerPolicy();
  Object iter=cp.iteratorFor(collection);
  if (!cp.hasNext(iter)) {
    return false;
  }
  XPathFragment groupingElements=marshalRecord.openStartGroupingElements(namespaceResolver);
  List extraNamespaces=new ArrayList();
  NamespaceResolver nr=marshalRecord.getNamespaceResolver();
  while (cp.hasNext(iter)) {
    Map.Entry entry=(Map.Entry)cp.nextEntry(iter,session);
    Object key=entry.getKey();
    if (key instanceof QName) {
      QName name=(QName)key;
      String value=entry.getValue().toString();
      String qualifiedName=name.getLocalPart();
      if (nr != null) {
        String prefix=nr.resolveNamespaceURI(name.getNamespaceURI());
        if ((prefix != null) && prefix.length() > 0) {
          qualifiedName=prefix + XMLConstants.COLON + qualifiedName;
        }
 else         if (name.getNamespaceURI() != null && name.getNamespaceURI().length() > 0) {
          String generatedPrefix=nr.generatePrefix();
          if (marshalRecord.hasCustomNamespaceMapper()) {
            String customPrefix=marshalRecord.getMarshaller().getNamespacePrefixMapper().getPreferredPrefix(name.getNamespaceURI(),generatedPrefix,true);
            if (customPrefix != null && customPrefix.length() > 0) {
              generatedPrefix=customPrefix;
            }
          }
          qualifiedName=generatedPrefix + XMLConstants.COLON + qualifiedName;
          nr.put(generatedPrefix,name.getNamespaceURI());
          extraNamespaces.add(generatedPrefix);
          marshalRecord.namespaceDeclaration(generatedPrefix,name.getNamespaceURI());
        }
      }
      marshalRecord.attribute(name.getNamespaceURI(),name.getLocalPart(),qualifiedName,value);
    }
  }
  for (int i=0; i < extraNamespaces.size(); i++) {
    marshalRecord.getNamespaceResolver().removeNamespace((String)extraNamespaces.get(i));
  }
  marshalRecord.closeStartGroupingElements(groupingElements);
  return true;
}

Fixed version (ground truth):
public boolean marshal(XPathFragment xPathFragment,MarshalRecord marshalRecord,Object object,AbstractSession session,NamespaceResolver namespaceResolver){
  if (xmlAnyAttributeMapping.isReadOnly()) {
    return false;
  }
  Object collection=xmlAnyAttributeMapping.getAttributeValueFromObject(object);
  if (collection == null) {
    return false;
  }
  ContainerPolicy cp=getContainerPolicy();
  Object iter=cp.iteratorFor(collection);
  if (!cp.hasNext(iter)) {
    return false;
  }
  XPathFragment groupingElements=marshalRecord.openStartGroupingElements(namespaceResolver);
  List extraNamespaces=new ArrayList();
  NamespaceResolver nr=marshalRecord.getNamespaceResolver();
  while (cp.hasNext(iter)) {
    Map.Entry entry=(Map.Entry)cp.nextEntry(iter,session);
    Object key=entry.getKey();
    if (key instanceof QName) {
      QName name=(QName)key;
      String value=entry.getValue().toString();
      String qualifiedName=name.getLocalPart();
      if (nr != null) {
        String prefix=nr.resolveNamespaceURI(name.getNamespaceURI());
        if ((prefix != null) && prefix.length() > 0) {
          qualifiedName=prefix + XMLConstants.COLON + qualifiedName;
        }
 else         if (name.getNamespaceURI() != null && name.getNamespaceURI().length() > 0) {
          String generatedPrefix=nr.generatePrefix();
          if (marshalRecord.hasCustomNamespaceMapper()) {
            String customPrefix=marshalRecord.getMarshaller().getNamespacePrefixMapper().getPreferredPrefix(name.getNamespaceURI(),generatedPrefix,true);
            if (customPrefix != null && customPrefix.length() > 0) {
              generatedPrefix=customPrefix;
            }
          }
          qualifiedName=generatedPrefix + XMLConstants.COLON + qualifiedName;
          nr.put(generatedPrefix,name.getNamespaceURI());
          extraNamespaces.add(generatedPrefix);
          marshalRecord.namespaceDeclaration(generatedPrefix,name.getNamespaceURI());
        }
      }
      if (XMLConstants.XMLNS_URL.equals(name.getNamespaceURI())) {
        marshalRecord.namespaceDeclaration(name.getLocalPart(),name.getNamespaceURI());
      }
 else {
        marshalRecord.attribute(name.getNamespaceURI(),name.getLocalPart(),qualifiedName,value);
      }
    }
  }
  for (int i=0; i < extraNamespaces.size(); i++) {
    marshalRecord.getNamespaceResolver().removeNamespace((String)extraNamespaces.get(i));
  }
  marshalRecord.closeStartGroupingElements(groupingElements);
  return true;
}