spring-projects/spring-batch v6.0.6 on GitHub

🚀 Enhancements

Add @FunctionalInterface to StepInterruptionPolicy #5402
Fix SimpleJobOperator jobRegistry state message #5369
Improve JdbcJobExecutionDao#synchronizeStatus(StepExecution) #5365
Replace deprecated Jackson2JsonMessageConverter with JacksonJsonMessageConverter #5350
Replace System.getProperty("line.separator") with System.lineSeparator() #5341
Remove unnecessary null check against createTime of execution #5304
Inaccurate exception message when attempting to start a running job #5280
Replace CopyOnWriteArrayList with ArrayList in JdbcPagingItemReader and JpaPagingItemReader for performance and correctness #5112
Eliminate unnecessary query for current version #4797
Running a job causes retrieval of full history of job executions #4169
Not unique steps names in a FlowJob should log a warning #3757
Remove unused ClassUtils import from JdbcPagingItemReader #5407

🐞 Bug fixes

ChunkOrientedStep does not restore the step execution when a chunk transaction is not committed #5594
MongoCursorItemReader throws NullPointerException when closed before opening #5589
MariaDB 6.0 migration fails when renaming BATCH_JOB_SEQ #5586
listener exceptions are skippable in scan mode but fatal elsewhere #5585
Fix missing page increase in AbstractPaginatedDataItemReader #5583
Job-scoped beans are not usable from worker threads of multi-threaded steps and parallel flows #5576
Restart after a failure during chunk scanning skips the remaining items of the chunk in ChunkOrientedStep #5558
NullPointerException when closing an unopened JpaPagingItemReader #5539
@OnSkipInRead/@OnSkipInProcess/@OnSkipInWrite methods are ignored by ChunkOrientedStepBuilder#listener(Object) #5531
Misleading logs in scan mode without retries #5527
FlatFileItemReaderBuilder.addComment() throws UnsupportedOperationException after comments(...) #5520
DelimitedLineTokenizer throws StringIndexOutOfBoundsException when a field is a single quote character #5519
FixedLengthTokenizer in strict mode rejects lines when the open-ended range starts at or before the first range's min #5518
JobFlowExecutor leaks a StepExecution across job executions on a shared thread when no transition matches a step's ExitStatus #5514
Rolled-back chunk counted as written and step COMPLETED in ChunkOrientedStep (fault-tolerant retry of OptimisticLockException) #5509
TransientTransactionError in MongoSequenceIncrementer during parallel job executions #5507
Fix QName deserialization in JacksonExecutionContextStringSerializer #5502
ChunkOrientedStep scan mode passes the processed chunk to ChunkListener#beforeChunk and silently drops scan items when the listener throws #5493
ChunkOrientedStep does not re-invoke the ItemProcessor during chunk scanning, unlike FaultTolerantChunkProcessor #5490
JpaCursorItemReader.doClose() missing null check on entityManager #5486
Fix incorrect nullability contract for encoding in StaxEventItemReader #5483
JsonFunctionalTests fails on Windows due to CRLF #5481
@OnChunkError is never invoked on a chunk-oriented step #5468
Interface listener callbacks are invoked twice when an item handler also has a listener annotation #5466
spring.batch.job.launch.count is silently missing: the JobOperator keeps ObservationRegistry.NOOP on most configuration paths #5463
Inconsistent JobParameter type handling between storage and retrieval in Spring Batch 6.x #5455
@BeforeStep/@AfterStep methods are ignored by ChunkOrientedStepBuilder#listener(Object) #5451
Replace jetbrains @NotNull with jspecify @NonNull #5443
SimpleJobOperator.restart(JobExecution) masks the real failure reason with a misleading "job execution already running" message #5439
Missing GraalVM runtime hints for MongoDB persistence model classes and resources #5435
Fix JsonFileItemWriter to produce valid JSON when append allowed with custom header/footer callback #5432
Step name is null when the step is not defined as a bean and not assigned a name #5278
Forced Sort Passing via sorts() Method When Building with MongoCursorItemReaderBuilder and Query #4860

📔 Documentation

JpaItemWriter description in Appendix of documentation is wrong #5556
Inaccurate documentation of remote chunking and remote partitioning samples regarding JMS headers #5513
Fix typos in Javadoc comments #5511
Clarify retryable reads compatibility with forward-only semantics #5510
Clarify SkipListener contract and reference docs about transaction scope #5494
Reference documentation's tracing example registers a handler that creates no spans and fails the job #5475
Fix typo in Javadoc of JobOperator.start() #5434
Wrong example in "Registering ItemStream with a Step" #5429
Fix incorrect Javadoc reference in JobExecution.isStopped() #5414
Fix javadoc in SqlPagingQueryUtils #5403
Fix typo in EnableBatchProcessing Javadoc #5375
Inaccurate JavaDoc of BatchStatus.isLessThanOrEqualTo #5285
Enhance documentation about leveraging IteratorItemReader to reuse scrolling APIs from Spring Data #4484

🔨 Tasks

Update Apache Artemis groupId to org.apache.artemis #5482
Update Groovy version to 5.1.2 #5327
Consistently use .version suffix for version properties in pom.xml #5506

🆙 Dependency Upgrades

Spring dependencies

Spring Framework: 7.0.9 -> 7.0.10
Spring Integration: 7.0.6 -> 7.0.7
Spring AMQP: 4.0.5 -> 4.0.6
Spring Kafka: 4.0.7 -> 4.0.8
Spring Data: 2025.1.7 -> 2025.1.8
Spring LDAP: 4.0.5 -> 4.0.6
Micrometer: 1.16.7 -> 1.16.8

Other dependencies

Apache Avro: 1.12.1 -> 1.12.2
Hibernate ORM: 7.2.18.Final -> 7.2.25.Final
Jackson 2: 2.20.2 -> 2.21.7
Jackson 3: 3.0.4 -> 3.1.7

❤️ Contributors

Thank you to all the contributors who worked on this release:

@acktsap, @ahrytsiuk, @Akhil-1527, @AndreaBosmanWork, @apptie, @banseok1216, @benelog, @beyondwin, @cladren123, @COBI-98, @dhritimanchakra, @DragonFSKY, @enduf7686, @GaBaljaintheroom, @Gorock, @hunseonglee, @hutiefang76, @HyunWoo9930, @jjh75607, @jjj-n, @klopfdreh, @KMGeon, @kojw1017, @kyungrae, @leedaegeon, @leestana01, @mjd507, @noojung, @pius712, @quaff, @ryujungkyun, @scordio, @xxxxxxjun, and @yuseogi0218