Program: 68759
Project: 68759
Buggy source:
public void endElement(XPathFragment xPathFragment,UnmarshalRecord unmarshalRecord){
  if (!xmlBinaryDataCollectionMapping.shouldInlineBinaryData() && !xmlBinaryDataCollectionMapping.isSwaRef() && unmarshalRecord.getUnmarshaller().getAttachmentUnmarshaller() != null && unmarshalRecord.getUnmarshaller().getAttachmentUnmarshaller().isXOPPackage()) {
    unmarshalRecord.resetStringBuffer();
    return;
  }
  Object value=unmarshalRecord.getStringBuffer().toString();
  unmarshalRecord.resetStringBuffer();
  if (xmlBinaryDataCollectionMapping.isSwaRef() && unmarshalRecord.getUnmarshaller().getAttachmentUnmarshaller() != null) {
    if (xmlBinaryDataCollectionMapping.getAttributeClassification() == XMLBinaryDataHelper.getXMLBinaryDataHelper().DATA_HANDLER) {
      value=unmarshalRecord.getUnmarshaller().getAttachmentUnmarshaller().getAttachmentAsDataHandler((String)value);
    }
 else {
      value=unmarshalRecord.getUnmarshaller().getAttachmentUnmarshaller().getAttachmentAsByteArray((String)value);
    }
    if (xmlBinaryDataCollectionMapping.getValueConverter() != null) {
      Converter converter=xmlBinaryDataCollectionMapping.getValueConverter();
      if (converter instanceof XMLConverter) {
        value=((XMLConverter)converter).convertDataValueToObjectValue(value,unmarshalRecord.getSession(),unmarshalRecord.getUnmarshaller());
      }
 else {
        value=converter.convertDataValueToObjectValue(value,unmarshalRecord.getSession());
      }
    }
  }
 else {
    value=XMLConversionManager.getDefaultXMLManager().convertSchemaBase64ToByteArray(value);
    if (xmlBinaryDataCollectionMapping.getValueConverter() != null) {
      Converter converter=xmlBinaryDataCollectionMapping.getValueConverter();
      if (converter instanceof XMLConverter) {
        value=((XMLConverter)converter).convertDataValueToObjectValue(value,unmarshalRecord.getSession(),unmarshalRecord.getUnmarshaller());
      }
 else {
        value=converter.convertDataValueToObjectValue(value,unmarshalRecord.getSession());
      }
    }
  }
  value=XMLBinaryDataHelper.getXMLBinaryDataHelper().convertObject(value,xmlBinaryDataCollectionMapping.getAttributeClassification());
  if (value != null) {
    Object container=unmarshalRecord.getContainerInstance(this);
    this.xmlBinaryDataCollectionMapping.getContainerPolicy().addInto(value,container,unmarshalRecord.getSession());
  }
}

Fixed version (ground truth):
public void endElement(XPathFragment xPathFragment,UnmarshalRecord unmarshalRecord){
  if (!xmlBinaryDataCollectionMapping.shouldInlineBinaryData() && !xmlBinaryDataCollectionMapping.isSwaRef() && unmarshalRecord.getUnmarshaller().getAttachmentUnmarshaller() != null && unmarshalRecord.getUnmarshaller().getAttachmentUnmarshaller().isXOPPackage()) {
    unmarshalRecord.resetStringBuffer();
    return;
  }
  Object value=unmarshalRecord.getStringBuffer().toString();
  unmarshalRecord.resetStringBuffer();
  if (xmlBinaryDataCollectionMapping.isSwaRef() && unmarshalRecord.getUnmarshaller().getAttachmentUnmarshaller() != null) {
    if (xmlBinaryDataCollectionMapping.getAttributeClassification() == XMLBinaryDataHelper.getXMLBinaryDataHelper().DATA_HANDLER) {
      value=unmarshalRecord.getUnmarshaller().getAttachmentUnmarshaller().getAttachmentAsDataHandler((String)value);
    }
 else {
      value=unmarshalRecord.getUnmarshaller().getAttachmentUnmarshaller().getAttachmentAsByteArray((String)value);
    }
    if (xmlBinaryDataCollectionMapping.getValueConverter() != null) {
      Converter converter=xmlBinaryDataCollectionMapping.getValueConverter();
      if (converter instanceof XMLConverter) {
        value=((XMLConverter)converter).convertDataValueToObjectValue(value,unmarshalRecord.getSession(),unmarshalRecord.getUnmarshaller());
      }
 else {
        value=converter.convertDataValueToObjectValue(value,unmarshalRecord.getSession());
      }
    }
  }
 else {
    value=XMLConversionManager.getDefaultXMLManager().convertSchemaBase64ToByteArray(value);
    if (xmlBinaryDataCollectionMapping.getValueConverter() != null) {
      Converter converter=xmlBinaryDataCollectionMapping.getValueConverter();
      if (converter instanceof XMLConverter) {
        value=((XMLConverter)converter).convertDataValueToObjectValue(value,unmarshalRecord.getSession(),unmarshalRecord.getUnmarshaller());
      }
 else {
        value=converter.convertDataValueToObjectValue(value,unmarshalRecord.getSession());
      }
    }
  }
  value=XMLBinaryDataHelper.getXMLBinaryDataHelper().convertObject(value,xmlBinaryDataCollectionMapping.getAttributeClassification());
  if (value != null) {
    Object container=unmarshalRecord.getContainerInstance(this);
    unmarshalRecord.addAttributeValue(this,value);
  }
}