I was addicted to the Spring-Batch test

I was addicted to the Spring-Batch test

What I was addicted to

--Execute by giving parameters to a batch ――The first time is successful, but the second and subsequent times cannot be executed

Cause of addiction

--Spring-Batch has a function to save the job execution result --After a successful job, it cannot be executed with the same parameters as last time.

Spring Batch - Rerun Job with same Job Parameter

Going by the concept of Job Instances and Job Executions in Spring Batch, 
you can't start a COMPLETED job instance again 
though you can launch same instance of job again & 
again till its not COMPLETE ( and few more job statuses ).

Job instance uniqueness is achieved by jobId & job parameters

--It took me a while to get to this story because another error message was displayed ―― ~~ What is this fucking garbage function ... ~~ It's a wonderful function.

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