v5.1.0

⭐ New features

• Add support for Virtual Threads #4399
• Add synchronized decorators for non-stream item readers/writers #4368
• Add option to clear the persistence context in JpaItemWriter #804
• Add cursor-based ItemReader for MongoDB #4323
• Add support for bulk inserts in MongoItemWriter #4149
• Provide accessors in MongoItemWriter to facilitate extensions #3973
• Add item reader for Redis #4446
• Add item writer for Redis #3957
• Add ability to start a job flow definition with a decider #4411
• Add support to specify the database type through EnableBatchProcessing #4320
• Auto-configure JobRegistryBeanPostProcessor with EnableBatchProcessing and DefaultBatchConfiguration #4245
• Add support for Java Date and Time API types serialization in Jackson2ExecutionContextStringSerializer #3952
• Add option to provide a custom JobKeyGenerator in JdbcJobInstanceDao #3926
• Access to update counts in JdbcBatchItemWriter #3829
• Add setter for ObservationConvention in StepBuilder/JobBuilder #4401

🚀 Enhancements

• Public access to AbstractItemCountingItemStreamItemReader.getCurrentItemCount #1639
• Add java.util.concurrent.ConcurrentHashMap to the trusted classes list in Jackson2ExecutionContextStringSerializer #4407
• Add java.sql.Date to the trusted classes list in Jackson2ExecutionContextStringSerializer #4407
• Auto-detect the class/interface to be mocked #4426
• Inaccurate exception message in SimpleJobRepository #4025
• Expose the internal map in ExecutionContext as read-only #4004
• Add support for quotes in DelimitedLineAggregator #1139
• Provide better error message in StaxEventItemReader if Resource does not exist #1171
• Add getters for DAOs in SimpleJobExplorer #1598
• Use separate parameters for short_context length and exit_message length #1617
• Expose targetObject and targetMethod in AbstractMethodInvokingDelegator #1786
• Create versions of samples using Java configuration #3663
• Improve the issue reporting process #4329
• Replace deprecated RetryListenerSupport #4453
• Use more SynchronizedItemReader in tests #4452
• Take care of some deprecations #4454

🐞 Bug fixes

• Invalid migration script for H2 #4390
• Incorrect drop statements in SQLServer DDL script #4373
• SplitBuilder.add(Flow) causes hung execution in some cases #3857
• Incorrect thread usage in SynchronizedItemStreamReaderTests #837
• Concurrent execution of FlowJob may cause FlowExecutionException #4092
• Switching incrementers causes jobs to have old job parameters #4073
• Missing setter for strict field in DelimitedBuilder #809
• DefaultJobParametersExtractor no longer copies keys from JobParameters when not contained in ExecutionContext #4458
• job scope bean doesn't cleanup in unit test #1288
• NullPointerException in RepeatTemplate#doHandle() when unwrapIfRethrown() returns null if logging in DEBUG #1123
• Starting a flow with Flow#next makes the first step execute twice #4432

📔 Documentation

• Incorrect Javadoc in SimpleStepBuilder #4402
• Document the type and name of the surrounding job in JobLauncherTestUtils#launchStep #3825
• Fix typo in SimpleMailMessageItemWriter Javadoc #4381
• Fix javadoc errors and warnings #1624
• Migrate documentation to Antora #4422
• Ambiguous description of "Configuring a JobRepository" #4333
• Add Two minutes tutorial to the README #4329
• Update the Getting started guide #4329
• Broken code samples in reference documentation for Job/Step beans with v5 API #4406
• Improve developer experience for conditional flows #4460
• Incorrect Javadoc in DefaultFieldSet and DefaultFieldSetFactory #4494
• Incorrect JavaDoc for Methods returning JobFlowBuilder in JobBuilder #4415
• Update documentation about serializable keys in the execution context #4457
• Improve configuration style toggle in documentation #4357
• Improve the getting started experience with Spring Batch #4329
• Reinstate and Update FAQ page #3878
• Outdated Meta-data ERD #4358
• Documentation unclear on how to replace deprecated AbstractTaskletStepBuilder#throttleLimit #4389

🔨 Tasks

• Build failure when the default charset of the JVM is not UTF-8 #4417
• Rename MongoItemReader to MongoPagingItemReader #4341
• Deprecate jobRepository method in JobBuilderHelper & StepBuilderHelper #4326
• Add Automatic-Module-Name to MANIFEST.MF in all components #867
• Deprecate overrides of StepBuilderHelper#repository for removal #4495

🔨 Dependency upgrades

• Spring Framework 6.1.0
• Spring Integration 6.2.0
• Spring Data 3.2.0
• Spring LDAP 3.2.0
• Spring AMQP 3.1.0
• Spring Kafka 3.1.0
• Micrometer 1.12.0

❤️ Contributors

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

@IlyaNerd, @ParadiseCHOI, @benelog, @rwinch, @cppwfs, @sjh836, @hpoettker, @jwillebrands, @hwan33, @bio-engineer, @injae-kim, @morenomjc, @LichKing-lee, @santfirax, @acktsap, @sukanth, @seonwoo960000, @robertmcnees, @cgrings, @juchanei, @lsq27, @scordio, @CNJingo, @woniper, @pranavjandu

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Full change log: v5.0.3...v5.1.0

v5.0.4

🐞 Bug fixes

• Starting a flow with Flow#next makes the first step execute twice #4432
• DefaultJobParametersExtractor no longer copies keys from JobParameters when not contained in ExecutionContext #4458
• job scope bean doesn't cleanup in unit test #1288
• NullPointerException in RepeatTemplate#doHandle() when unwrapIfRethrown() returns null if logging in DEBUG #1123

🚀 Enhancements

• Inaccurate exception message in SimpleJobRepository #4025
• Remove unnecessary expressions in AsyncItemWriter #4009

📔 Documentation

• Documentation unclear on how to replace deprecated AbstractTaskletStepBuilder#throttleLimit #4389
• Outdated Meta-data ERD #4358
• Incorrect JavaDoc for Methods returning JobFlowBuilder in JobBuilder #4415
• Incorrect Javadoc in DefaultFieldSet and DefaultFieldSetFactory #4494
• Update documentation about serializable keys in the execution context #4457

🆙 Dependency Upgrades

• Spring Framework: 6.0.14
• Spring Retry: 2.0.4
• Spring AMQP: 3.0.10
• Spring Data: 3.0.12
• Spring Integration: 6.0.9
• Spring Kafka: 3.0.13
• Spring LDAP: 3.0.6
• Micrometer: 1.10.13

❤️ Contributors

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

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Full change log: v5.0.3...v5.0.4

v4.3.10

Important❗: This is the last OSS release of Spring Batch 4. Please refer to the support policy page for more details about our support policy.

🐞 Bug fixes

• NullPointerException in RepeatTemplate#doHandle() when unwrapIfRethrown() returns null if logging in DEBUG #1123
• Job scoped bean doesn't cleanup in unit test #1288

📔 Documentation

• Update documentation about serializable keys in the execution context #4457
• Incorrect JavaDoc for Methods returning JobFlowBuilder in JobBuilder #4415
• Incorrect Javadoc in DefaultFieldSet and DefaultFieldSetFactory #4494
• Regression with the CSS styles and JS toggle in the reference documentation of 4.3.x #4437

🔨 Tasks

• Upgrade to gradle 6.9.4
• Switch to spring-asciidoctor-backends for documentation

🔨 Dependency Upgrades

• Spring Framework: 5.3.31
• Spring Retry: 1.3.4
• Spring AMQP: 2.3.16
• Spring Data: 2.7.18
• Spring Integration: 5.5.20
• Spring Kafka: 2.9.13
• Spring LDAP: 2.4.1
• Micrometer: 1.9.17

❤️ Contributors

We would like to thank all contributors who helped in shipping this release!

v5.1.0-RC1

🚀 Enhancements

• Create versions of samples using Java configuration #3663
• Improve the issue reporting process #4329
• Replace deprecated RetryListenerSupport #4453
• Use more SynchronizedItemReader in tests #4452
• Take care of some deprecations #4454

🐞 Bug fixes

• DefaultJobParametersExtractor no longer copies keys from JobParameters when not contained in ExecutionContext #4458

📔 Documentation

• Add Two minutes tutorial to the README #4329
• Update the Getting started guide #4329

🆙 Dependency Upgrades

• Spring Framework 6.1.0-RC1
• Spring Integration 6.2.0-RC1
• Spring Data 3.2.0-RC1
• Spring LDAP 3.2.0-RC1
• Spring AMQP 3.1.0-RC1
• Spring Kafka 3.1.0-RC1
• Micrometer 1.12.0-RC1
• Spring Retry 2.0.4
• Jackson 2.15.3
• Hibernate 6.3.1.Final
• Avro 1.11.3

❤️ Contributors

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

@hpoettker @cppwfs @jwillebrands

v5.1.0-M3

⭐ New features

• Add item reader for Redis #4446
• Add item writer for Redis #3957
• Add ability to start a job flow definition with a decider #4411
• Add support to specify the database type through EnableBatchProcessing #4320
• Auto-configure JobRegistryBeanPostProcessor with EnableBatchProcessing and DefaultBatchConfiguration #4245
• Add support for Java Date and Time API types serialization in Jackson2ExecutionContextStringSerializer #3952
• Add option to provide a custom JobKeyGenerator in JdbcJobInstanceDao #3926
• Access to update counts in JdbcBatchItemWriter #3829

🚀 Enhancements

• Inaccurate exception message in SimpleJobRepository #4025
• Expose the internal map in ExecutionContext as read-only #4004
• Add support for quotes in DelimitedLineAggregator #1139
• Provide better error message in StaxEventItemReader if Resource does not exist #1171
• Add getters for DAOs in SimpleJobExplorer #1598
• Use separate parameters for short_context length and exit_message length #1617
• Expose targetObject and targetMethod in AbstractMethodInvokingDelegator #1786

🐞 Bug fixes

• Switching incrementers causes jobs to have old job parameters #4073
• Missing setter for strict field in DelimitedBuilder #809

📔 Documentation

• Migrate documentation to Antora #4422
• Ambiguous description of "Configuring a JobRepository" #4333

🔨 Tasks

• Add Automatic-Module-Name to MANIFEST.MF in all components #867

❤️ Contributors

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

@IlyaNerd, @ParadiseCHOI, @benelog, @rwinch, @cppwfs and @sjh836

v5.1.0-M2

⭐ New features

• Add cursor-based ItemReader for MongoDB #4323
• Add support for bulk inserts in MongoItemWriter #4149
• Provide accessors in MongoItemWriter to facilitate extensions #3973

🚀 Enhancements

• Add java.util.concurrent.ConcurrentHashMap to the trusted classes list in Jackson2ExecutionContextStringSerializer #4407
• Add java.sql.Date to the trusted classes list in Jackson2ExecutionContextStringSerializer #4407
• Auto-detect the class/interface to be mocked #4426

🐞 Bug fixes

• Concurrent execution of FlowJob may cause FlowExecutionException #4092

🔨 Tasks

• Rename MongoItemReader to MongoPagingItemReader #4341
• Deprecate jobRepository method in JobBuilderHelper & StepBuilderHelper #4326

❤️ Contributors

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

v5.0.3

🐞 Bug fixes

• Incorrect drop statements in SQLServer DDL script #4373
• Invalid migration script for H2 #4390
• Concurrent execution of FlowJob may cause FlowExecutionException #4092

🚀 Enhancements

• Auto-detect the class/interface to be mocked #4426
• Add java.util.concurrent.ConcurrentHashMap to the trusted classes list in Jackson2ExecutionContextStringSerializer #4407
• Add java.sql.Date to the trusted classes list in Jackson2ExecutionContextStringSerializer #4407

📔 Documentation

• Incorrect Javadoc in SimpleStepBuilder #4402
• Document the type and name of the surrounding job in JobLauncherTestUtils#launchStep #3825
• Fix typo in SimpleMailMessageItemWriter Javadoc #4381
• Fix javadoc errors and warnings #1624

🔨 Tasks

• Build failure when the default charset of the JVM is not UTF-8 #4417

🆙 Dependency Upgrades

• Spring Framework: 6.0.11
• Spring Retry: 2.0.2
• Spring AMQP: 3.0.8
• Spring Data: 3.0.9
• Spring Integration: 6.0.7
• Spring Kafka: 3.0.10
• Spring LDAP: 3.0.5
• Micrometer: 1.10.10

❤️ Contributors

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

---

Full change log: v5.0.2...v5.0.3

v4.3.9

🐞 Bug fixes

• Incorrect retrieval of job parameters in SimpleJobExplorer#getJobExecutions #4246
• Concurrent execution of FlowJob may cause FlowExecutionException #4092

🚀 Enhancements

• Slow Query in JdbcJobInstanceDao.getLastJobInstance() #4024
• Allow StaxEventItemReader to auto-detect the input file encoding #4101

📔 Documentation

• Incorrect Javadoc in SimpleStepBuilder #4402
• Fix typo in SimpleMailMessageItemWriter Javadoc #4381

🔨 Dependency Upgrades

• Spring Framework: 5.3.29
• Spring Retry: 1.3.4
• Spring AMQP: 2.3.16
• Spring Data: 2.7.15
• Spring Integration: 5.5.18
• Spring Kafka: 2.9.11
• Spring LDAP: 2.4.1
• Micrometer: 1.9.14

❤️ Contributors

We would like to thank all contributors who helped in shipping this release!

v5.1.0-M1

⭐ New features

• Add support for Virtual Threads #4399
• Add setter for ObservationConvention in StepBuilder/JobBuilder #4401
• Add synchronized decorators for non-stream item readers/writers #4368
• Add option to clear the persistence context in JpaItemWriter #804

🚀 Enhancements

• Public access to AbstractItemCountingItemStreamItemReader.getCurrentItemCount #1639

🐞 Bug fixes

• Invalid migration script for H2 #4390
• Incorrect drop statements in SQLServer DDL script #4373
• SplitBuilder.add(Flow) causes hung execution in some cases #3857
• Incorrect thread usage in SynchronizedItemStreamReaderTests #837

🔨 Dependency upgrades

• Spring Framework 6.1.0-M2
• Spring Integration 6.2.0-M1
• Spring Data 3.2.0-M1
• Spring LDAP 3.2.0-M1
• Micrometer 1.12.0-M1

📔 Documentation

• Incorrect Javadoc in SimpleStepBuilder #4402
• Document the type and name of the surrounding job in JobLauncherTestUtils#launchStep #3825
• Fix typo in SimpleMailMessageItemWriter Javadoc #4381
• Fix javadoc errors and warnings #1624

🔨 Tasks

• Build failure when the default charset of the JVM is not UTF-8 #4417

❤️ Contributors

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

v5.0.2

⭐ New features

• Allow StaxEventItemReader to auto-detect the input file encoding #4101

🚀 Enhancements

• Disable Docker-based tests when Docker is not available #4360
• JobParameters should use LinkedHashMap instead of HashMap #4179
• Slow Query in JdbcJobInstanceDao.getLastJobInstance() #4024
• Make KafkaItemWriter extensible and document its thread-safety #3970
• Upgrade to Mockito 5 #4366
• Enhance switch statements #4365
• Change visibility of properties in JdbcPagingItemReaderBuilder #4331
• Reduce use of deprecated APIs #4334
• Add SafeVarargs annotations #4335

🐞 Bug fixes

• Incorrect v5 migration script for SQLServer #4349
• Implement equals and hashCode in Chunk class #4314
• Incorrect retrieval of job parameters in SimpleJobExplorer#getJobExecutions #4246

📔 Documentation

• Fix BATCH_STEP_EXECUTION DDL #4356
• Fix for the XML/Java switch regression #4355
• Documentation Update to scalability.adoc #4338
• Fix tiny misspelling in the sybase integration test comments #4313
• Missing instruction about accessing historical data in the migration guide #4352
• Document Thread Safety of item readers and writers #3646
• Missing DDL migration script related to BATCH_STEP_EXECUTION table in v5 migration guide #4332
• Incorrect type of date/time fields in documentation #4324
• Asciidoctor errors #4168

🔨 Tasks

• Forks fail on GitHub Actions Continuous Inspection Build #4346
• Intermittent failure in AsynchronousTests#testRollback #4095
• Intermittent failure in ConcurrentTransactionAwareProxyTests on windows #3847

🆙 Dependency Upgrades

• Spring Framework: 6.0.9
• Spring Retry: 2.0.1
• Spring AMQP: 3.0.4
• Spring Data: 3.0.6
• Spring Integration: 6.0.5
• Spring Kafka: 3.0.7
• Spring LDAP: 3.0.3
• Micrometer: 1.10.7

❤️ Contributors

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

@Buzzardo, @Ditscheridou, @cppwfs, @hpoettker, @jamesrwoodruff, @kajsa, and @viviennes7

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Full change log: v5.0.1...v5.0.2