Program: 190746
Project: 190746
Buggy source:
/** 
 * Compute the most common namespace URI in this package (to put into   {@link XmlSchema#namespace()} and what valuewe should put into  {@link XmlSchema#elementFormDefault()}. This method is called after   {@link #classes} field is filled up.
 */
public void calcDefaultValues(){
  if (!_model.isPackageLevelAnnotations()) {
    mostUsedNamespaceURI="String_Node_Str";
    elementFormDefault=XmlNsForm.UNQUALIFIED;
    return;
  }
  CPropertyVisitor<Void> propVisitor=new CPropertyVisitor<Void>(){
    public Void onElement(    CElementPropertyInfo p){
      countURI(propUriCountMap,p.getXmlName());
      return null;
    }
    public Void onReference(    CReferencePropertyInfo p){
      countURI(propUriCountMap,p.getXmlName());
      return null;
    }
    public Void onAttribute(    CAttributePropertyInfo p){
      return null;
    }
    public Void onValue(    CValuePropertyInfo p){
      return null;
    }
  }
;
  for (  ClassOutlineImpl co : classes) {
    CClassInfo ci=co.target;
    countURI(uriCountMap,ci.getTypeName());
    countURI(uriCountMap,ci.getElementName());
    for (    CPropertyInfo p : ci.getProperties())     p.accept(propVisitor);
  }
  mostUsedNamespaceURI=getMostUsedURI(uriCountMap);
  elementFormDefault=getFormDefault();
  if (!mostUsedNamespaceURI.equals("String_Node_Str") || elementFormDefault == XmlNsForm.QUALIFIED) {
    XmlSchemaWriter w=_package.annotate2(XmlSchemaWriter.class);
    if (!mostUsedNamespaceURI.equals("String_Node_Str"))     w.namespace(mostUsedNamespaceURI);
    if (elementFormDefault == XmlNsForm.QUALIFIED)     w.elementFormDefault(elementFormDefault);
  }
}

Fixed version (ground truth):
/** 
 * Compute the most common namespace URI in this package (to put into   {@link XmlSchema#namespace()} and what valuewe should put into  {@link XmlSchema#elementFormDefault()}. This method is called after   {@link #classes} field is filled up.
 */
public void calcDefaultValues(){
  if (!_model.isPackageLevelAnnotations()) {
    mostUsedNamespaceURI="String_Node_Str";
    elementFormDefault=XmlNsForm.UNQUALIFIED;
    return;
  }
  CPropertyVisitor<Void> propVisitor=new CPropertyVisitor<Void>(){
    public Void onElement(    CElementPropertyInfo p){
      for (      CTypeRef tr : p.getTypes()) {
        countURI(propUriCountMap,tr.getTagName());
      }
      return null;
    }
    public Void onReference(    CReferencePropertyInfo p){
      for (      CElement e : p.getElements()) {
        countURI(propUriCountMap,e.getElementName());
      }
      return null;
    }
    public Void onAttribute(    CAttributePropertyInfo p){
      return null;
    }
    public Void onValue(    CValuePropertyInfo p){
      return null;
    }
  }
;
  for (  ClassOutlineImpl co : classes) {
    CClassInfo ci=co.target;
    countURI(uriCountMap,ci.getTypeName());
    countURI(uriCountMap,ci.getElementName());
    for (    CPropertyInfo p : ci.getProperties())     p.accept(propVisitor);
  }
  mostUsedNamespaceURI=getMostUsedURI(uriCountMap);
  elementFormDefault=getFormDefault();
  if (!mostUsedNamespaceURI.equals("String_Node_Str") || elementFormDefault == XmlNsForm.QUALIFIED) {
    XmlSchemaWriter w=_package.annotate2(XmlSchemaWriter.class);
    if (!mostUsedNamespaceURI.equals("String_Node_Str"))     w.namespace(mostUsedNamespaceURI);
    if (elementFormDefault == XmlNsForm.QUALIFIED)     w.elementFormDefault(elementFormDefault);
  }
}