spring-batch

There are a lot of examples which use FlatFileItemReader along with TaskExecutor . I provide samples below (both with XML and Java Config): Using Oracle Coherence with Spring Batch Spring Batch Multithreading Example I have used it my self with XML configuration for large CSVs (GB size) writing to database with the out-of-the-box JpaItemWriter . There seem to be no issues even without setting save-state = false or taking any kind of special handling. Now, FlatFileItemReader is documented as not thread-safe . My guess was that JpaItemWriter was "covering" the issue by persisting Sets i.e.

Im using SpringBatch 2.1.7 release core and Infrastructure jars to read a CSV file and save it to DB. Integrated my code with Spring quartz scheduler to run for every minute, The Batch is working fine with reading and writing but its failing with the error "org.springframework.dao.OptimisticLockingFailureException: Attempt to update step execution id=1 with wrong version (2), where current version is 1" due to Tx conflicts. Please suggest how can i resolve this issue. I had this same exception. org.springframework.dao.OptimisticLockingFailureException: Attempt to update step execution id=0