# Uses of Class
org.springframework.batch.core.launch.JobInstanceAlreadyExistsException

Packages that use JobInstanceAlreadyExistsException
Package
Description
org.springframework.batch.core.launch
Interfaces and simple implementations of launch concerns.
org.springframework.batch.core.launch.support
Support classes for use in bootstrap and launch implementations or configurations.

- ## Uses of JobInstanceAlreadyExistsException in org.springframework.batch.core.launch

  Methods in org.springframework.batch.core.launch that throw JobInstanceAlreadyExistsException
  Modifier and Type
  Method
  Description
  `Long`
  JobOperator.`start(String jobName, String parameters)`
  Start a new instance of a job with the parameters specified.

- ## Uses of JobInstanceAlreadyExistsException in org.springframework.batch.core.launch.support

  Methods in org.springframework.batch.core.launch.support that throw JobInstanceAlreadyExistsException
  Modifier and Type
  Method
  Description
  `Long`
  SimpleJobOperator.`start(String jobName, String parameters)`