Program: 66013
Project: 66013
Buggy source:
/** 
 * Perform any final generation and/or validation operations on TypeInfo properties.
 */
public void finalizeProperties(){
  ArrayList<JavaClass> jClasses=getTypeInfoClasses();
  for (  JavaClass jClass : jClasses) {
    TypeInfo tInfo=getTypeInfo().get(jClass.getQualifiedName());
    if (tInfo.isTransient()) {
      continue;
    }
    if (!jClass.isInterface() && !tInfo.isEnumerationType() && !jClass.isAbstract()) {
      if (tInfo.getFactoryMethodName() == null && tInfo.getObjectFactoryClassName() == null) {
        JavaConstructor zeroArgConstructor=jClass.getDeclaredConstructor(new JavaClass[]{});
        if (zeroArgConstructor == null) {
          if (tInfo.isSetXmlJavaTypeAdapter()) {
            tInfo.setTransient(true);
          }
 else {
            throw org.eclipse.persistence.exceptions.JAXBException.factoryMethodOrConstructorRequired(jClass.getName());
          }
        }
      }
    }
    if (tInfo.getXmlValueProperty() != null) {
      validateXmlValueFieldOrProperty(jClass,tInfo.getXmlValueProperty());
    }
    for (    Property property : tInfo.getPropertyList()) {
      JavaClass typeClass=property.getActualType();
      TypeInfo targetInfo=typeInfo.get(typeClass.getQualifiedName());
      if (targetInfo != null && targetInfo.isTransient()) {
        throw JAXBException.invalidReferenceToTransientClass(jClass.getQualifiedName(),property.getPropertyName(),typeClass.getQualifiedName());
      }
      if (tInfo.isSetXmlValueProperty()) {
        if (property.isXmlValue() && !(tInfo.getXmlValueProperty().getPropertyName().equals(property.getPropertyName()))) {
          throw JAXBException.xmlValueAlreadySet(property.getPropertyName(),tInfo.getXmlValueProperty().getPropertyName(),jClass.getName());
        }
        if (!property.isXmlValue() && !property.isAttribute() && !property.isInverseReference()&& !property.isTransient()) {
          throw JAXBException.propertyOrFieldShouldBeAnAttribute(property.getPropertyName());
        }
      }
      if (property.isXmlIdRef()) {
        if (targetInfo == null && !typeClass.getQualifiedName().equals(JAVA_LANG_OBJECT)) {
          throw JAXBException.invalidIDREFClass(jClass.getQualifiedName(),property.getPropertyName(),typeClass.getQualifiedName());
        }
        if (targetInfo != null && targetInfo.getIDProperty() == null) {
          throw JAXBException.invalidIdRef(property.getPropertyName(),typeClass.getQualifiedName());
        }
      }
      if (property.isXmlId() && tInfo.getIDProperty() != null && !(tInfo.getIDProperty().getPropertyName().equals(property.getPropertyName()))) {
        throw JAXBException.idAlreadySet(property.getPropertyName(),tInfo.getIDProperty().getPropertyName(),jClass.getName());
      }
      if (property.isAnyAttribute() && tInfo.isSetAnyAttributePropertyName() && !(tInfo.getAnyAttributePropertyName().equals(property.getPropertyName()))) {
        throw JAXBException.multipleAnyAttributeMapping(jClass.getName());
      }
      if (property.isAny() && tInfo.isSetAnyElementPropertyName() && !(tInfo.getAnyElementPropertyName().equals(property.getPropertyName()))) {
        throw JAXBException.xmlAnyElementAlreadySet(property.getPropertyName(),tInfo.getAnyElementPropertyName(),jClass.getName());
      }
      if (property.isSwaAttachmentRef() && !areEquals(property.getActualType(),JAVAX_ACTIVATION_DATAHANDLER)) {
        throw JAXBException.invalidAttributeRef(property.getPropertyName(),jClass.getQualifiedName());
      }
      if (property.getXmlElementWrapper() != null) {
        if (!isCollectionType(property) && !property.getType().isArray()) {
          throw JAXBException.invalidElementWrapper(property.getPropertyName());
        }
      }
      if (property.isReference()) {
        processReferenceProperty(property,tInfo,jClass);
      }
      if (property.isXmlTransformation()) {
        processXmlTransformationProperty(property);
      }
      if (property.isSetXmlJoinNodes()) {
        if (targetInfo == null) {
          throw JAXBException.invalidXmlJoinNodeReferencedClass(property.getPropertyName(),typeClass.getQualifiedName());
        }
        if (targetInfo.getIDProperty() == null && targetInfo.getXmlKeyProperties() == null) {
          throw JAXBException.noKeyOrIDPropertyOnJoinTarget(jClass.getQualifiedName(),property.getPropertyName(),typeClass.getQualifiedName());
        }
        for (        org.eclipse.persistence.jaxb.xmlmodel.XmlJoinNodes.XmlJoinNode xmlJoinNode : property.getXmlJoinNodes().getXmlJoinNode()) {
          String refXPath=xmlJoinNode.getReferencedXmlPath();
          if (targetInfo.getIDProperty() != null && refXPath.equals(targetInfo.getIDProperty().getXmlPath())) {
            continue;
          }
          boolean matched=false;
          if (targetInfo.getXmlKeyProperties() != null) {
            for (            Property xmlkeyProperty : targetInfo.getXmlKeyProperties()) {
              if (refXPath.equals(xmlkeyProperty.getXmlPath())) {
                matched=true;
                break;
              }
            }
          }
          if (!matched) {
            throw JAXBException.invalidReferencedXmlPathOnJoin(jClass.getQualifiedName(),property.getPropertyName(),typeClass.getQualifiedName(),refXPath);
          }
        }
      }
    }
  }
}

Fixed version (ground truth):
/** 
 * Perform any final generation and/or validation operations on TypeInfo properties.
 */
public void finalizeProperties(){
  ArrayList<JavaClass> jClasses=getTypeInfoClasses();
  for (  JavaClass jClass : jClasses) {
    TypeInfo tInfo=getTypeInfo().get(jClass.getQualifiedName());
    if (tInfo.isTransient()) {
      continue;
    }
    if (!jClass.isInterface() && !tInfo.isEnumerationType() && !jClass.isAbstract()) {
      if (tInfo.getFactoryMethodName() == null && tInfo.getObjectFactoryClassName() == null) {
        JavaConstructor zeroArgConstructor=jClass.getDeclaredConstructor(new JavaClass[]{});
        if (zeroArgConstructor == null) {
          if (tInfo.isSetXmlJavaTypeAdapter()) {
            tInfo.setTransient(true);
          }
 else {
            throw org.eclipse.persistence.exceptions.JAXBException.factoryMethodOrConstructorRequired(jClass.getName());
          }
        }
      }
    }
    if (tInfo.getXmlValueProperty() != null) {
      validateXmlValueFieldOrProperty(jClass,tInfo.getXmlValueProperty());
    }
    for (    Property property : tInfo.getPropertyList()) {
      JavaClass typeClass=property.getActualType();
      TypeInfo targetInfo=typeInfo.get(typeClass.getQualifiedName());
      if (targetInfo != null && targetInfo.isTransient()) {
        throw JAXBException.invalidReferenceToTransientClass(jClass.getQualifiedName(),property.getPropertyName(),typeClass.getQualifiedName());
      }
      if (tInfo.isSetXmlValueProperty()) {
        if (property.isXmlValue() && !(tInfo.getXmlValueProperty().getPropertyName().equals(property.getPropertyName()))) {
          throw JAXBException.xmlValueAlreadySet(property.getPropertyName(),tInfo.getXmlValueProperty().getPropertyName(),jClass.getName());
        }
        if (!property.isXmlValue() && !property.isAttribute() && !property.isInverseReference()&& !property.isTransient()) {
          throw JAXBException.propertyOrFieldShouldBeAnAttribute(property.getPropertyName());
        }
      }
      if (property.isSwaAttachmentRef() && !this.hasSwaRef) {
        this.hasSwaRef=true;
      }
      if (property.isXmlIdRef()) {
        if (targetInfo == null && !typeClass.getQualifiedName().equals(JAVA_LANG_OBJECT)) {
          throw JAXBException.invalidIDREFClass(jClass.getQualifiedName(),property.getPropertyName(),typeClass.getQualifiedName());
        }
        if (targetInfo != null && targetInfo.getIDProperty() == null) {
          throw JAXBException.invalidIdRef(property.getPropertyName(),typeClass.getQualifiedName());
        }
      }
      if (property.isXmlId() && tInfo.getIDProperty() != null && !(tInfo.getIDProperty().getPropertyName().equals(property.getPropertyName()))) {
        throw JAXBException.idAlreadySet(property.getPropertyName(),tInfo.getIDProperty().getPropertyName(),jClass.getName());
      }
      if (property.isAnyAttribute() && tInfo.isSetAnyAttributePropertyName() && !(tInfo.getAnyAttributePropertyName().equals(property.getPropertyName()))) {
        throw JAXBException.multipleAnyAttributeMapping(jClass.getName());
      }
      if (property.isAny() && tInfo.isSetAnyElementPropertyName() && !(tInfo.getAnyElementPropertyName().equals(property.getPropertyName()))) {
        throw JAXBException.xmlAnyElementAlreadySet(property.getPropertyName(),tInfo.getAnyElementPropertyName(),jClass.getName());
      }
      if (property.isSwaAttachmentRef() && !areEquals(property.getActualType(),JAVAX_ACTIVATION_DATAHANDLER)) {
        throw JAXBException.invalidAttributeRef(property.getPropertyName(),jClass.getQualifiedName());
      }
      if (property.getXmlElementWrapper() != null) {
        if (!isCollectionType(property) && !property.getType().isArray()) {
          throw JAXBException.invalidElementWrapper(property.getPropertyName());
        }
      }
      if (property.isReference()) {
        processReferenceProperty(property,tInfo,jClass);
      }
      if (property.isXmlTransformation()) {
        processXmlTransformationProperty(property);
      }
      if (property.isSetXmlJoinNodes()) {
        if (targetInfo == null) {
          throw JAXBException.invalidXmlJoinNodeReferencedClass(property.getPropertyName(),typeClass.getQualifiedName());
        }
        if (targetInfo.getIDProperty() == null && targetInfo.getXmlKeyProperties() == null) {
          throw JAXBException.noKeyOrIDPropertyOnJoinTarget(jClass.getQualifiedName(),property.getPropertyName(),typeClass.getQualifiedName());
        }
        for (        org.eclipse.persistence.jaxb.xmlmodel.XmlJoinNodes.XmlJoinNode xmlJoinNode : property.getXmlJoinNodes().getXmlJoinNode()) {
          String refXPath=xmlJoinNode.getReferencedXmlPath();
          if (targetInfo.getIDProperty() != null && refXPath.equals(targetInfo.getIDProperty().getXmlPath())) {
            continue;
          }
          boolean matched=false;
          if (targetInfo.getXmlKeyProperties() != null) {
            for (            Property xmlkeyProperty : targetInfo.getXmlKeyProperties()) {
              if (refXPath.equals(xmlkeyProperty.getXmlPath())) {
                matched=true;
                break;
              }
            }
          }
          if (!matched) {
            throw JAXBException.invalidReferencedXmlPathOnJoin(jClass.getQualifiedName(),property.getPropertyName(),typeClass.getQualifiedName(),refXPath);
          }
        }
      }
    }
  }
}