Program: 65667
Project: 65667
Buggy source:
public void initializeRecord(XMLMapping selfRecordMapping) throws SAXException {
  try {
    XMLDescriptor xmlDescriptor=(XMLDescriptor)treeObjectBuilder.getDescriptor();
    if (xmlDescriptor.isSequencedObject()) {
      unmarshalContext=new SequencedUnmarshalContext();
    }
 else {
      unmarshalContext=ObjectUnmarshalContext.getInstance();
    }
    Object object=this.xmlReader.getCurrentObject(session,selfRecordMapping);
    if (object == null) {
      object=treeObjectBuilder.buildNewInstance();
    }
    this.setCurrentObject(object);
    XMLUnmarshalListener xmlUnmarshalListener=unmarshaller.getUnmarshalListener();
    if (null != xmlUnmarshalListener) {
      if (null == this.parentRecord) {
        xmlUnmarshalListener.beforeUnmarshal(object,null);
      }
 else {
        xmlUnmarshalListener.beforeUnmarshal(object,parentRecord.getCurrentObject());
      }
    }
    if (null == parentRecord) {
      this.xmlReader.newObjectEvent(object,null,selfRecordMapping);
    }
 else {
      this.xmlReader.newObjectEvent(object,parentRecord.getCurrentObject(),selfRecordMapping);
    }
    List containerValues=treeObjectBuilder.getContainerValues();
    if (null != containerValues) {
      containersMap=new HashMap(containerValues.size());
      for (int x=0, containerValuesSize=containerValues.size(); x < containerValuesSize; x++) {
        ContainerValue containerValue=(ContainerValue)containerValues.get(x);
        Object containerInstance=null;
        if (containerValue.getReuseContainer()) {
          containerInstance=containerValue.getMapping().getAttributeAccessor().getAttributeValueFromObject(object);
        }
        if (null == containerInstance) {
          containerInstance=containerValue.getContainerInstance();
        }
        containersMap.put(containerValue,containerInstance);
        if (containerValue.getMapping() instanceof XMLChoiceCollectionMapping) {
          XMLChoiceCollectionMappingUnmarshalNodeValue nodeValue=(XMLChoiceCollectionMappingUnmarshalNodeValue)containerValue;
          for (          NodeValue next : nodeValue.getAllNodeValues()) {
            NodeValue nestedNodeValue=((XMLChoiceCollectionMappingUnmarshalNodeValue)next).getChoiceElementNodeValue();
            containersMap.put((ContainerValue)nestedNodeValue,containerInstance);
          }
        }
      }
    }
    if (null != xPathNode.getSelfChildren()) {
      int selfChildrenSize=xPathNode.getSelfChildren().size();
      selfRecords=new ArrayList<UnmarshalRecord>(selfChildrenSize);
      for (int x=0; x < selfChildrenSize; x++) {
        XPathNode selfNode=xPathNode.getSelfChildren().get(x);
        if (null != selfNode.getNodeValue()) {
          selfRecords.add(selfNode.getNodeValue().buildSelfRecord(this,attributes));
        }
      }
    }
  }
 catch (  EclipseLinkException e) {
    if (null == xmlReader.getErrorHandler()) {
      throw e;
    }
 else {
      SAXParseException saxParseException=new SAXParseException(null,null,null,0,0,e);
      xmlReader.getErrorHandler().error(saxParseException);
    }
  }
}

Fixed version (ground truth):
public void initializeRecord(XMLMapping selfRecordMapping) throws SAXException {
  try {
    XMLDescriptor xmlDescriptor=(XMLDescriptor)treeObjectBuilder.getDescriptor();
    if (xmlDescriptor.isSequencedObject()) {
      unmarshalContext=new SequencedUnmarshalContext();
    }
 else {
      unmarshalContext=ObjectUnmarshalContext.getInstance();
    }
    Object object=this.xmlReader.getCurrentObject(session,selfRecordMapping);
    if (object == null) {
      object=treeObjectBuilder.buildNewInstance();
    }
    this.setCurrentObject(object);
    XMLUnmarshalListener xmlUnmarshalListener=unmarshaller.getUnmarshalListener();
    if (null != xmlUnmarshalListener) {
      if (null == this.parentRecord) {
        xmlUnmarshalListener.beforeUnmarshal(object,null);
      }
 else {
        xmlUnmarshalListener.beforeUnmarshal(object,parentRecord.getCurrentObject());
      }
    }
    if (null == parentRecord) {
      this.xmlReader.newObjectEvent(object,null,selfRecordMapping);
    }
 else {
      this.xmlReader.newObjectEvent(object,parentRecord.getCurrentObject(),selfRecordMapping);
    }
    List containerValues=treeObjectBuilder.getContainerValues();
    if (null != containerValues) {
      containersMap=new HashMap(containerValues.size());
      for (int x=0, containerValuesSize=containerValues.size(); x < containerValuesSize; x++) {
        ContainerValue containerValue=(ContainerValue)containerValues.get(x);
        Object containerInstance=null;
        if (containerValue.getReuseContainer() && !(containerValue.getMapping().getAttributeAccessor().isReadOnly())) {
          containerInstance=containerValue.getMapping().getAttributeAccessor().getAttributeValueFromObject(object);
        }
        if (null == containerInstance) {
          containerInstance=containerValue.getContainerInstance();
        }
        containersMap.put(containerValue,containerInstance);
        if (containerValue.getMapping() instanceof XMLChoiceCollectionMapping) {
          XMLChoiceCollectionMappingUnmarshalNodeValue nodeValue=(XMLChoiceCollectionMappingUnmarshalNodeValue)containerValue;
          for (          NodeValue next : nodeValue.getAllNodeValues()) {
            NodeValue nestedNodeValue=((XMLChoiceCollectionMappingUnmarshalNodeValue)next).getChoiceElementNodeValue();
            containersMap.put((ContainerValue)nestedNodeValue,containerInstance);
          }
        }
      }
    }
    if (null != xPathNode.getSelfChildren()) {
      int selfChildrenSize=xPathNode.getSelfChildren().size();
      selfRecords=new ArrayList<UnmarshalRecord>(selfChildrenSize);
      for (int x=0; x < selfChildrenSize; x++) {
        XPathNode selfNode=xPathNode.getSelfChildren().get(x);
        if (null != selfNode.getNodeValue()) {
          selfRecords.add(selfNode.getNodeValue().buildSelfRecord(this,attributes));
        }
      }
    }
  }
 catch (  EclipseLinkException e) {
    if (null == xmlReader.getErrorHandler()) {
      throw e;
    }
 else {
      SAXParseException saxParseException=new SAXParseException(null,null,null,0,0,e);
      xmlReader.getErrorHandler().error(saxParseException);
    }
  }
}