Continually restating a job using JobExecutionListener - spring-batch

Question

We need a job to run continuously without the need for an external scheduler.
I have extended JobExecutionListener, as follows:
#Autowired
#Qualifier("myJob")
private Job job;
private int counter = 0;
#Override
public void afterJob(JobExecution jobExecution) {
jobExecution.stop();
JobParameters jobParameters = new JobParameters();
JobParameter jobParameter = new JobParameter((new Integer(++counter)).toString());
jobParameters.getParameters().put("counter", jobParameter);
try {
jobLauncher.run(job, jobParameters);
}
catch (JobExecutionAlreadyRunningException e) {
throw new RuntimeException(e);
} catch (JobRestartException e) {
throw new RuntimeException(e);
} catch (JobInstanceAlreadyCompleteException e) {
throw new RuntimeException(e);
} catch (JobParametersInvalidException e) {
throw new RuntimeException(e);
}
When run, a JobExecutionAlreadyRunningException is thrown.
JobExecutionAlreadyRunningException: A job execution for this job is already running: JobInstance: id=0, version=0, Job=[myJob]
Where am I going wrong?
Thanks

Answer 1

From official doc:
The shutdown is not immediate, since there is no way to force
immediate shutdown, especially if the execution is currently in
developer code that the framework has no control over, such as a
business service. However, as soon as control is returned back to the
framework, it will set the status of the current StepExecution to
BatchStatus.STOPPED, save it, then do the same for the JobExecution
before finishing.
Maybe you can have a chance using a specialized JobLauncher that launch the job after previous job's thread termination or a custom TaskExecutor associated to JobLauncher.