Program: 25613
Project: 25613
Buggy source:
private void tryExtractDiskImage(Object rspecSliverObject,Resource omnSliver){
  try {
    @SuppressWarnings("String_Node_Str") JAXBElement<DiskImageContents> diJaxb=(JAXBElement<DiskImageContents>)rspecSliverObject;
    DiskImageContents diskImageContents=diJaxb.getValue();
    String uuid="String_Node_Str" + UUID.randomUUID().toString();
    Resource diskImage=model.createResource(uuid);
    diskImage.addProperty(RDF.type,Omn_domain_pc.DiskImage);
    String name=diskImageContents.getName();
    diskImage.addLiteral(Omn_domain_pc.hasDiskimageLabel,name);
    omnSliver.addProperty(Omn_domain_pc.hasDiskImage,diskImage);
    String os=diskImageContents.getOs();
    if (os != null) {
      diskImage.addLiteral(Omn_domain_pc.hasDiskimageOS,os);
    }
    String version=diskImageContents.getVersion();
    if (version != null) {
      diskImage.addLiteral(Omn_domain_pc.hasDiskimageVersion,version);
    }
    String description=diskImageContents.getDescription();
    if (description != null) {
      diskImage.addLiteral(Omn_domain_pc.hasDiskimageDescription,description);
    }
    String url=diskImageContents.getUrl();
    if (url != null) {
      diskImage.addLiteral(Omn_domain_pc.hasDiskimageURI,url);
    }
    @SuppressWarnings("String_Node_Str") JAXBElement<DiskImage> diskImageElement=(JAXBElement<DiskImage>)rspecSliverObject;
    String defaultString=diskImageElement.getValue().getDefault();
    if (defaultString != null) {
      diskImage.addLiteral(Omn_domain_pc.diskimageDefault,defaultString);
    }
  }
 catch (  final ClassCastException e) {
    AdvertisementConverter.LOG.info(e.getMessage());
  }
catch (  final InvalidPropertyURIException e) {
    AdvertisementConverter.LOG.info(e.getMessage());
  }
}

Fixed version (ground truth):
private void tryExtractDiskImage(Object rspecSliverObject,Resource omnSliver){
  if (rspecSliverObject instanceof JAXBElement) {
    if (((JAXBElement<?>)rspecSliverObject).getDeclaredType().equals(SliverType.DiskImage.class)) {
      DiskImageContents diskImageContents=(DiskImageContents)((JAXBElement<?>)rspecSliverObject).getValue();
      String uuid="String_Node_Str" + UUID.randomUUID().toString();
      Resource diskImage=model.createResource(uuid);
      diskImage.addProperty(RDF.type,Omn_domain_pc.DiskImage);
      String name=diskImageContents.getName();
      diskImage.addLiteral(Omn_domain_pc.hasDiskimageLabel,name);
      omnSliver.addProperty(Omn_domain_pc.hasDiskImage,diskImage);
      String os=diskImageContents.getOs();
      if (os != null) {
        diskImage.addLiteral(Omn_domain_pc.hasDiskimageOS,os);
      }
      String version=diskImageContents.getVersion();
      if (version != null) {
        diskImage.addLiteral(Omn_domain_pc.hasDiskimageVersion,version);
      }
      String description=diskImageContents.getDescription();
      if (description != null) {
        diskImage.addLiteral(Omn_domain_pc.hasDiskimageDescription,description);
      }
      String url=diskImageContents.getUrl();
      if (url != null) {
        diskImage.addLiteral(Omn_domain_pc.hasDiskimageURI,url);
      }
      @SuppressWarnings("String_Node_Str") JAXBElement<DiskImage> diskImageElement=(JAXBElement<DiskImage>)rspecSliverObject;
      String defaultString=diskImageElement.getValue().getDefault();
      if (defaultString != null) {
        diskImage.addLiteral(Omn_domain_pc.diskimageDefault,defaultString);
      }
    }
  }
}