How to use

JobInstanceAlreadyExistsException

in

org.springframework.batch.core.launch

@Override
public Exception getException(String msg, Throwable t) throws Exception {
  return new JobInstanceAlreadyExistsException(msg, t);
}

@Override
public Exception getException(String msg) throws Exception {
  return new JobInstanceAlreadyExistsException(msg);
}

@Override
public Long start(String jobName, String parameters) throws NoSuchJobException, JobInstanceAlreadyExistsException, JobParametersInvalidException {
  logger.info("Checking status of job with name=" + jobName);
  JobParameters jobParameters = jobParametersConverter.getJobParameters(PropertiesConverter
      .stringToProperties(parameters));
  if (jobRepository.isJobInstanceExists(jobName, jobParameters)) {
    throw new JobInstanceAlreadyExistsException(String.format(
        "Cannot start a job instance that already exists with name=%s and parameters=%s", jobName,
        parameters));
  }
  Job job = jobRegistry.getJob(jobName);
  logger.info(String.format("Attempting to launch job with name=%s and parameters=%s", jobName, parameters));
  try {
    return jobLauncher.run(job, jobParameters).getId();
  }
  catch (JobExecutionAlreadyRunningException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job execution already running",
        jobName, parameters), e);
  }
  catch (JobRestartException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job not restartable", jobName,
        parameters), e);
  }
  catch (JobInstanceAlreadyCompleteException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job already complete", jobName,
        parameters), e);
  }
}

@Override
public Long start(String jobName, String parameters) throws NoSuchJobException, JobInstanceAlreadyExistsException, JobParametersInvalidException {
  logger.info("Checking status of job with name=" + jobName);
  JobParameters jobParameters = jobParametersConverter.getJobParameters(PropertiesConverter
      .stringToProperties(parameters));
  if (jobRepository.isJobInstanceExists(jobName, jobParameters)) {
    throw new JobInstanceAlreadyExistsException(String.format(
        "Cannot start a job instance that already exists with name=%s and parameters=%s", jobName,
        parameters));
  }
  Job job = jobRegistry.getJob(jobName);
  logger.info(String.format("Attempting to launch job with name=%s and parameters=%s", jobName, parameters));
  try {
    return jobLauncher.run(job, jobParameters).getId();
  }
  catch (JobExecutionAlreadyRunningException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job execution already running",
        jobName, parameters), e);
  }
  catch (JobRestartException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job not restartable", jobName,
        parameters), e);
  }
  catch (JobInstanceAlreadyCompleteException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job already complete", jobName,
        parameters), e);
  }
}

public Long start(String jobName, String parameters) throws NoSuchJobException, JobInstanceAlreadyExistsException, JobParametersInvalidException {
  logger.info("Checking status of job with name=" + jobName);
  JobParameters jobParameters = jobParametersConverter.getJobParameters(PropertiesConverter
      .stringToProperties(parameters));
  if (jobRepository.isJobInstanceExists(jobName, jobParameters)) {
    throw new JobInstanceAlreadyExistsException(String.format(
        "Cannot start a job instance that already exists with name=%s and parameters=%s", jobName,
        parameters));
  }
  Job job = jobRegistry.getJob(jobName);
  logger.info(String.format("Attempting to launch job with name=%s and parameters=%s", jobName, parameters));
  try {
    return jobLauncher.run(job, jobParameters).getId();
  }
  catch (JobExecutionAlreadyRunningException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job execution already running",
        jobName, parameters), e);
  }
  catch (JobRestartException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job not restartable", jobName,
        parameters), e);
  }
  catch (JobInstanceAlreadyCompleteException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job already complete", jobName,
        parameters), e);
  }
}

@Override
public Long start(String jobName, String parameters) throws NoSuchJobException, JobInstanceAlreadyExistsException, JobParametersInvalidException {
  logger.info("Checking status of job with name=" + jobName);
  JobParameters jobParameters = jobParametersConverter.getJobParameters(PropertiesConverter
      .stringToProperties(parameters));
  if (jobRepository.isJobInstanceExists(jobName, jobParameters)) {
    throw new JobInstanceAlreadyExistsException(String.format(
        "Cannot start a job instance that already exists with name=%s and parameters=%s", jobName,
        parameters));
  }
  Job job = jobRegistry.getJob(jobName);
  logger.info(String.format("Attempting to launch job with name=%s and parameters=%s", jobName, parameters));
  try {
    return jobLauncher.run(job, jobParameters).getId();
  }
  catch (JobExecutionAlreadyRunningException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job execution already running",
        jobName, parameters), e);
  }
  catch (JobRestartException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job not restartable", jobName,
        parameters), e);
  }
  catch (JobInstanceAlreadyCompleteException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job already complete", jobName,
        parameters), e);
  }
}

@Override
public Long start(String jobName, String parameters) throws NoSuchJobException, JobInstanceAlreadyExistsException, JobParametersInvalidException {
  logger.info("Checking status of job with name=" + jobName);
  JobParameters jobParameters = jobParametersConverter.getJobParameters(PropertiesConverter
      .stringToProperties(parameters));
  if (jobRepository.isJobInstanceExists(jobName, jobParameters)) {
    throw new JobInstanceAlreadyExistsException(String.format(
        "Cannot start a job instance that already exists with name=%s and parameters=%s", jobName,
        parameters));
  }
  Job job = jobRegistry.getJob(jobName);
  logger.info(String.format("Attempting to launch job with name=%s and parameters=%s", jobName, parameters));
  try {
    return jobLauncher.run(job, jobParameters).getId();
  }
  catch (JobExecutionAlreadyRunningException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job execution already running",
        jobName, parameters), e);
  }
  catch (JobRestartException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job not restartable", jobName,
        parameters), e);
  }
  catch (JobInstanceAlreadyCompleteException e) {
    throw new UnexpectedJobExecutionException(String.format(ILLEGAL_STATE_MSG, "job already complete", jobName,
        parameters), e);
  }
}