Grails，当单个插入出现异常时，批量插入失败

Question

我正在尝试使用从多输入中检索到的文件进行批量插入。没有例外的时候一切都很好。但是当一个文件内容不好导致一个异常时，其他的都不会被持久化。下面是我使用的代码：

 def fileList = multiPartRequest.getFiles('files')
    def totalFile = fileList?.size();
    fileList.eachWithIndex { file,int i ->

            try{
                def result=urlService.loadFile(file.getInputStream() as InputStream)
                urlService.newUrlFromFile(params,result)

            } catch (Exception e){
                def errorFile = file.getOriginalFilename()
                log.warn("Problem with file: $errorFile ",e)
                errorsFiles.add(errorFile)                    
            }             


    }

和newUrlFromFile()方法：

def newUrlFromFile(def params,Map result){
    def datasetId = params?.dataset_id
    def categories = result?.info as List
    def catMap =[:]
    Url url;

    def dataset = DataSet.findById(datasetId)
    if (datasetId){
        if(categories){

            catMap=[level1:categories[0],level2:categories[1],level3:categories[2]]
            url=CSVLoaderService.saveUrlAndCategories(categories[3] as String,categories[0] as String,
                    categories[1] as String,categories[2] as String,dataset)
            url.save(flush: true,failOnError: true)
            dataset.save(flush: true, failOnError: true,deepValidate: false)
            log.info("we have saved the categories")
        }

        Map doc =[dataset_id:datasetId,
                  url_id:url?.id as String,
                  meta_info:result?.meta,
                  title: result?.title,
                  categories:catMap,
                  dataset_lang:dataset.language]
      }
}

谢谢

Answer 1

最后，我可以解决使用：

                try{
                    def result=urlService.loadFile(file.getInputStream() as InputStream)
                    DataSet.withNewTransaction {
                    urlService.newUrlFromFile(params,result)
                    }

                } catch (Exception e){
                    def errorFile = file.getOriginalFilename()
                    log.warn("Problem with file: $errorFile ",e)
                    errorsFiles.add(errorFile)
                    flash.error="Problem encountered with file: ${file.getOriginalFilename()}";
                }

每次遇到新文件都会打开一个新的牵引力。

Grails，当单个插入出现异常时，批量插入失败

Grails, Batch inserting failed when there is an exception of one single insert

grails

grails-orm

batch-processing