Program: 24555
Project: 24555
Buggy source:
public DataSource updateDataSourceOai(String oldId,String id,String description,String nameCode,String name,String exportPath,String schema,String namespace,String metadataFormat,String oaiSourceURL,String oaiSet,Map<String,MetadataTransformation> metadataTransformations,List<ExternalRestService> externalRestServices,String marcFormat,boolean useLastIngestDate) throws DocumentException, IOException, ObjectNotFoundException, InvalidArgumentsException, IncompatibleInstanceException {
  DefaultDataSourceContainer oldDataSourceContainer=(DefaultDataSourceContainer)getDataSourceContainer(oldId);
  if (oldDataSourceContainer != null) {
    DataSource dataSource=oldDataSourceContainer.getDataSource();
    if (!isIdValid(id))     throw new InvalidArgumentsException(id);
    if (!oaiSourceURL.startsWith("String_Node_Str") && !oaiSourceURL.startsWith("String_Node_Str")) {
      oaiSourceURL="String_Node_Str" + oaiSourceURL;
    }
    if (new java.net.URL(oaiSourceURL).openConnection().getHeaderField(0) != null && FileUtilSecond.checkUrl(oaiSourceURL)) {
      DataProvider dataProviderParent=getDataProviderParent(oldId);
      if (dataProviderParent != null) {
        if (!(dataSource instanceof OaiDataSource)) {
          DataSource newDataSource=new OaiDataSource(dataProviderParent,id,description,schema,namespace,metadataFormat,oaiSourceURL,oaiSet,new IdProvidedRecordIdPolicy(),new TreeMap<String,MetadataTransformation>());
          newDataSource.setAccessPoints(dataSource.getAccessPoints());
          newDataSource.setStatus(dataSource.getStatus());
          setLastIngestDate(useLastIngestDate,dataSource,newDataSource);
          newDataSource.setOldTasksList(dataSource.getOldTasksList());
          newDataSource.setTags(dataSource.getTags());
          DefaultDataSourceContainer dataSourceContainer=new DefaultDataSourceContainer(newDataSource,nameCode,name,exportPath);
          dataProviderParent.getDataSourceContainers().put(newDataSource.getId(),dataSourceContainer);
          dataSource=newDataSource;
        }
        dataSource.setId(id);
        dataSource.setDescription(description);
        dataSource.setSchema(schema);
        dataSource.setNamespace(namespace);
        dataSource.setMetadataFormat(metadataFormat);
        ((OaiDataSource)dataSource).setOaiSourceURL(oaiSourceURL);
        ((OaiDataSource)dataSource).setOaiSet(oaiSet);
        dataSource.setMetadataTransformations(metadataTransformations);
        dataSource.setExternalRestServices(externalRestServices);
        dataSource.setMarcFormat(marcFormat);
        dataSource.setExportDir(exportPath);
        if (!id.equals(oldId)) {
          DefaultDataSourceContainer dataSourceContainer=new DefaultDataSourceContainer(dataSource,nameCode,name,exportPath);
          updateDataSourceContainer(dataSourceContainer,oldId);
        }
 else {
          oldDataSourceContainer.setName(name);
          oldDataSourceContainer.setNameCode(nameCode);
        }
        updateDataProvider(dataProviderParent,dataProviderParent.getId());
        return dataSource;
      }
 else {
        throw new ObjectNotFoundException(id);
      }
    }
 else {
      throw new InvalidArgumentsException(oaiSourceURL);
    }
  }
 else {
    throw new ObjectNotFoundException(id);
  }
}

Fixed version (ground truth):
public DataSource updateDataSourceOai(String oldId,String id,String description,String nameCode,String name,String exportPath,String schema,String namespace,String metadataFormat,String oaiSourceURL,String oaiSet,Map<String,MetadataTransformation> metadataTransformations,List<ExternalRestService> externalRestServices,String marcFormat,boolean useLastIngestDate) throws DocumentException, IOException, ObjectNotFoundException, InvalidArgumentsException, AlreadyExistsException {
  DefaultDataSourceContainer oldDataSourceContainer=(DefaultDataSourceContainer)getDataSourceContainer(oldId);
  if (oldDataSourceContainer != null) {
    DataSource dataSource=oldDataSourceContainer.getDataSource();
    if (!oldId.equals(id) && getDataSourceContainer(id) != null)     throw new AlreadyExistsException(id);
    if (!isIdValid(id))     throw new InvalidArgumentsException(id);
    String newOaiSourceURL=oaiSourceURL;
    if (!newOaiSourceURL.startsWith("String_Node_Str") && !newOaiSourceURL.startsWith("String_Node_Str")) {
      newOaiSourceURL="String_Node_Str" + newOaiSourceURL;
    }
    if (new java.net.URL(newOaiSourceURL).openConnection().getHeaderField(0) != null && FileUtilSecond.checkUrl(newOaiSourceURL)) {
      DataProvider dataProviderParent=getDataProviderParent(oldId);
      if (dataProviderParent != null) {
        if (!(dataSource instanceof OaiDataSource)) {
          DataSource newDataSource=new OaiDataSource(dataProviderParent,id,description,schema,namespace,metadataFormat,newOaiSourceURL,oaiSet,new IdProvidedRecordIdPolicy(),new TreeMap<String,MetadataTransformation>());
          newDataSource.setAccessPoints(dataSource.getAccessPoints());
          newDataSource.setStatus(dataSource.getStatus());
          setLastIngestDate(useLastIngestDate,dataSource,newDataSource);
          newDataSource.setOldTasksList(dataSource.getOldTasksList());
          newDataSource.setTags(dataSource.getTags());
          DefaultDataSourceContainer dataSourceContainer=new DefaultDataSourceContainer(newDataSource,nameCode,name,exportPath);
          dataProviderParent.getDataSourceContainers().put(newDataSource.getId(),dataSourceContainer);
          dataSource=newDataSource;
        }
        dataSource.setId(id);
        dataSource.setDescription(description);
        dataSource.setSchema(schema);
        dataSource.setNamespace(namespace);
        dataSource.setMetadataFormat(metadataFormat);
        ((OaiDataSource)dataSource).setOaiSourceURL(newOaiSourceURL);
        ((OaiDataSource)dataSource).setOaiSet(oaiSet);
        dataSource.setMetadataTransformations(metadataTransformations);
        dataSource.setExternalRestServices(externalRestServices);
        dataSource.setMarcFormat(marcFormat);
        dataSource.setExportDir(exportPath);
        if (!id.equals(oldId)) {
          DefaultDataSourceContainer dataSourceContainer=new DefaultDataSourceContainer(dataSource,nameCode,name,exportPath);
          updateDataSourceContainer(dataSourceContainer,oldId);
        }
 else {
          oldDataSourceContainer.setName(name);
          oldDataSourceContainer.setNameCode(nameCode);
        }
        saveData();
        updateDataProvider(dataProviderParent,dataProviderParent.getId());
        return dataSource;
      }
 else {
        throw new ObjectNotFoundException(id);
      }
    }
 else {
      throw new InvalidArgumentsException(oaiSourceURL);
    }
  }
 else {
    throw new ObjectNotFoundException(id);
  }
}