how to at the runtime put a object to job ? Code: JobParameters jobParameters = new JobParametersBuilder().addLong("executeDateh",System.currentTimeMillis()).addString("inputFile", "c:/1.txt").addString("outputFile","e:/hl2/1.txt").toJobParameters(); JobExecution jobExecution=jobLauncher.run(job,jobParameters); I want to put object to job at the runtime,like jobdatamap ...