We are using the JMSOutboundGateway to send message and receive message using the reply channel within the JMSOutboundGateway. When we run multiple iterations of the same job using the same JMSOutboundGateway, it fails with this error "Message contained wrong job instance id [85] should have been [86]" ( org.springframework.batch.integration.chunk.ChunkMessageChannelItemWriter.getNextResult() ) .
This is due to same JMSOutBoundGateway instance being using when I run the second when the first job is still in progress.
Is there a way I can run parallel execution of the same job type ?
This is a known issue, see https://github.com/spring-projects/spring-batch/issues/1372 and https://github.com/spring-projects/spring-batch/issues/1096.
The workaround is to use a separate instance of the writer for each job to prevent sharing the same reply channel.