v5.0.0-M4

⭐ New Features

• Add FunctionalInterface annotation where appropriate #4107
• Add FieldExtractor implementation for Java records #4159
• Configure the right FieldExtractor based on the type of items in FlatFileItemWriterBuilder #4161
• Configure the right FieldSetMapper based on the type of items in FlatFileItemReaderBuilder #4160
• Change transaction manager type to JdbcTransactionManager in default batch configuration #4126

🚀 Enhancements

• Replace deprecated IntegrationFlows #4155
• Rename SimpleJobLauncher to TaskExecutorJobLauncher #4123
• Reduce use of deprecated APIs #4120

🐞 Bug Fixes

• Unable to build the project without an internet connection #4152
• Add missing initialized flag set to FlowJob #4142
• Unable to register an annotation-based StepExecutionListener in a fault-tolerant step #4137
• Fix tests catching nested exceptions #4136
• Unable to read XML data without spring-tx in the classpath #4132
• Maven surefire uses wrong provider for Spring Batch Core #4121
• Lost transactionAttribute when using chaining StepBuilder #3686
• ItemReadListener not being correctly registered after adding a StepExecutionListener #773
• Cannot subclass final class com.sun.proxy.$Proxy202 #793
• StepBuilderFactory Only Supports Listener Annotations, Not Listener Interfaces #1098

🔨 Dependency Upgrades

• Upgrade to Spring Framework 6.0.0-M5
• Upgrade to Spring Data 2022.0.0-M5
• Upgrade to Spring Integration 6.0.0-M4
• Upgrade to Spring AMQP 3.0.0-M3
• Upgrade to Spring for Apache Kafka 3.0.0-M5
• Upgrade to Micrometer 1.10.0-M3
• Upgrade to Hibernate 6.1.1.Final

📔 Documentation

• Add package-info.java to integration #4141
• Editing pass #4163
• Javadoc editing #4158
• Improve Javadocs #4129

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @Buzzardo
• @jonatan-ivanov
• @hpoettker
• @acktsap

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Full Changelog: 5.0.0-M3...5.0.0-M4

v5.0.0-M3

⭐ Features

• Create Maven BOM for Spring Batch modules #1097
• Allow Lambdas to be passed as item processors in Java DSL #4061
• Best to distinguish CreateTime and StartTime in StepExecution #4049
• Make charset configurable in JdbcExecutionContextDao #795

🚀 Enhancements

• Add @Nullable where appropriate in JobExecution and StepExecution #4077
• Change default encoding to UTF-8 in JdbcExecutionContextDao #3983
• Add java.util.UUID to the trusted classes list in Jackson2ExecutionContextStringSerializer #4110
• AbstractFileItemWriter should support java.nio #756
• Make JUnit4 dependency optional in spring-batch-test #4033

🐞 Bug fixes

• FixedLengthTokenizer wrong tokenization with UTF-8 extended characters #3714
• Inconsistent default encoding in FlatFileItemReader and FlatFileItemWriter #1154
• StaxEventItemWriter.unclosedHeaderCallbackElements prevents new job execution #4044
• Circular reference error when autowiring JobBuilderFactory #3991
• NPE when creating MongoItemReader using a builder without specifying sorting #4082

🔨 Dependency Upgrades

• Upgrade to Spring Framework 6.0.0-M4
• Upgrade to Spring Data 2022.0.0-M4
• Upgrade to Spring Integration 6.0.0-M3
• Upgrade to Spring AMQP 3.0.0-M3
• Upgrade to Spring for Apache Kafka 3.0.0-M4
• Upgrade to Micrometer 1.10.0-M2

📔 Documentation

• Incorrect documentation in "4.6.6 Abort a job" section #4037
• Editing pass for Javdocs #4096 #4090
• Editing pass for reference docs #4083
• Fix Javadoc of SpringBatchTest annotation #4102

❤️ Contributors

We'd like to thank all contributors who helped in making this release possible!

---

Full Changelog: 5.0.0-M2...5.0.0-M3

v4.3.6

🐞 Bug fixes

• Incorrect job restart with null parameters of type long/double #4087
• SqlSyntaxErrorException when creating table BATCH_JOB_EXECUTION with db2 v9 #4001
• StaxEventItemWriter.unclosedHeaderCallbackElements prevents new job execution #4044
• NPE when creating MongoItemReader using a builder without specifying sorting #4082

🚀 Enhancements

• Add @Nullable where appropriate in JobExecution and StepExecution #4077
• Add java.util.UUID to the trusted classes list in Jackson2ExecutionContextStringSerializer #4110

📔 Documentation

• Incorrect documentation in "4.6.6 Abort a job" section #4037
• Fix Javadoc of SpringBatchTest annotation #4102
• Wrong size for BATCH_JOB_INSTANCE.JOB_KEY in Appendix A #4071

🔨 Dependency Upgrades

• Spring Framework: 5.3.20
• Spring Retry: 1.3.3
• Spring AMQP: 2.3.16
• Spring Data: 2.5.11
• Spring Integration: 5.5.12
• Spring Kafka: 2.7.14
• Spring LDAP: 2.3.8.RELEASE
• Micrometer: 1.7.12

❤️ Contributors

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

v5.0.0-M2

⭐ Features

• Add Micrometer Observation API usage #4065
• Integrate SAP Hana as supported Spring Batch database #1087

🚀 Enhancements

• Rename schema-oracle10g to schema-oracle #1057
• Constructors with var args/Lists #686
• Remove benign [WARNINGS] from batch build #4066
• MongoItemReader#setSort check its argument #4014
• Collection's empty data check using CollectionUtils.isEmpty #4021
• Add @Nullable to StepExecution::endTime #4034
• Remove SQLLite Batch database tables before starting tests #4063

🔨 Dependency Upgrades

• Upgrade to Spring Framework 6.0.0-M3
• Upgrade to Spring Data 2022.0.0-M3
• Upgrade to Spring Integration 6.0.0-M2
• Upgrade to Spring AMQP 3.0.0-M2
• Upgrade to Spring for Apache Kafka 3.0.0-M3
• Upgrade to Micrometer 2.0.0-M2

📔 Documentation

• Added missing docs for batch.core and batch.core.configuration packages #4068
• Wrong size for BATCH_JOB_INSTANCE.JOB_KEY in Appendix A #4071
• Fix typos in documentation #4010
• Fix Javadoc of FaultTolerantChunkProvider #4029

❤️ Contributors

We'd like to thank all contributors who helped in making this release possible!

v4.3.5

🐞 Bug fixes

• Adjust h2 schema to work with v2.0.x #4043
• Adjust H2PagingQueryProvider to work with v2.x #4047

🚀 Enhancements

• Simplify GET_LAST_STEP_EXECUTION #3997
• Make countStepExecutions access batch_job_execution only once #3876
• Add @Nullable to StepExecution::endTime #4034
• Collection's empty data check using CollectionUtils.isEmpty #4021
• Check arguments of MongoItemReader#setSort #4014

📔 Documentation

• Add example for in-memory repository, with no deprecated classes #4016
• Document default types of beans registered by EnableBatchProcessing annotation #3993
• Fix Javadoc of FaultTolerantChunkProvider #4029
• Fix typos in documentation #4010

v5.0.0-M1

This is the first milestone of Spring Batch 5.0. This milestone contains a number of breaking changes. Please refer to the migration guide for more details about upgrade instructions.

🚀 Enhancements

• Remove the unconditional exposure of the transaction manager as a bean #3981
• SQL Server Auto-generated Schema - TEXT data type deprecated: #864
• Deprecate support classes implementing interfaces with default methods #3925
• Add default methods in interfaces #3924
• JobParameter must not accept null values #3913
• FlatFileItemWriter now uses charset to determine default encoding #3910
• FlatFileItemReader and FlatFileItemWriter don't have the same default encoding #1154
• Avoid string conversion in ExecutionContextSerializer tests #3986
• Make ScopeConfiguration publicly accessible #3958
• In JOB_PARAMS table DATE_VAL column is updated incorrectly Like "1/1/1970 1:00:00.000000 AM" instead to the current date #1577
• Use default methods in TestExecutionListener #3909
• refactor: simplify boolean expression #3945
• Remove Reflection from StepScopeTestExecutionListener #3908
• Replace deprecated TransactionSynchronizationAdapter #3874
• Remove double brace initialization #3868
• Fix some raw types #3803
• Don't call wrapper constructors directly #3800
• Replace Assert.assertThat with MatcherAssert.assertThat #3804
• Replace #initMocks with MockitoRule #3805
• Refactor deprecated extractDatabaseMetaData #3873
• Simplify GET_LAST_STEP_EXECUTION #3997
• Make countStepExecutions access batch_job_execution only once #3876
• Adjust h2 schema to work with v2.0.x #4043
• Adjust H2PagingQueryProvider to work with v2.x #4047
• Require spring-jdbc in core module #4048
• Rename setJobIncrementer to setJobInstanceIncrementer in JdbcJobInstanceDao #3929

⭐ Features

• Upgrade minimum Java version to 17 #3994
• Add setter with a strongly typed parameter for the transaction isolation level type #4032
• Add getDataSource method to DefaultBatchConfigurer #3872

🐞 Bug fixes

• StepExecution counts integer overflow #3650
• Deadlock accessing creating a job on sqlserver when multiple jobs start at once #1448
• Oracle Error on creating new Batch Job #1127
• Oracle clustered environment with cached sequences can lead to Spring Batch thinking new job already exists #2000
• Batch sequences generate unordered ids, which results in unordered instances returned by JobExplorer #1422
• DefaultBatchConfigurer warns about the lack of TransactionManager provided, yet offers no way to supply it #763
• No pom.xml for published artifacts for 5.0.0-SNAPSHOT #4028
• Map.of() cannot be deserialized #4036

🔨 Tasks

• Favour jakarta over javax components #3656
• Upgrade Spring dependencies to major versions #4027
• Deprecate support for Neo4j #3956
• Update maven wrapper version to 3.8.2 #3978
• Clean up schema versions in XML files #913
• Remove deprecated APIs #3836
• Remove usage of deprecated APIs #3838
• Remove SQLFire support #3839
• Remove JSR-352 implementation #3894
• Updated graceful shutdown sample by removing deprecated code #3916
• Replaces deprecated interfaces #3971
• Remove some deprecated APIs from tests #3962
• CI builds against various database platforms #3092
• OptimisticLockingFailureTests.testAsyncStopOfStartingJob fails intermittently #1121
• Intermittent failure in ConcurrentTransactionTests on windows #3851
• Intermittent failure in AsynchronousTests on windows #3852
• FaultTolerantExceptionClassesTests testNoRollbackTaskletRollbackException fails intermittently #1117
• Rename master branch to main #3879
• Update build process to use Maven #3820

🔨 Dependency Upgrades

• Upgrade to Spring Framework 6.0.0-M2
• Upgrade to Spring Data 2022.0.0-M1
• Upgrade to Spring Integration 6.0.0-M1
• Upgrade to Spring AMQP 3.0.0-M1
• Upgrade to Spring for Apache Kafka 3.0.0-M1
• Upgrade to Micrometer 2.0.0-M1

📔 Documentation

• Editing of the job edit changes #3918
• Add EPUB output in documentation #3920
• Restore the dynamic ToC #4019

❤️ Contributors

We'd like to thank all contributors who helped in making this release possible!

v4.3.4

🐞 Bug fixes

• Consider making JobParameters#getParameters() immutable #3980
• JdbcPagingItemReader with sort key crashes in multithreaded step for empty query #3898
• BatchTestContextCustomizer does not implement hashCode/equals, preventing context caching #3940
• "IllegalArgumentException: Only 1 out of 2 arguments could be assigned" using MethodInvokingTaskletAdapter + NamedParameterJdbcTemplate #3794
• Remove whitespace to support multiple execution statement #3861
• SimpleJobExplorer#getLastJobExecution does not fetch step executions #3943
• NPE in JDBC ItemReaders after changes in spring-jdbc's AbstractFallbackSQLExceptionTranslator #3968

📔 Documentation

• Fix double "the" typo everywhere in source code #3977
• Fix typos in the document for configuring steps #3965
• Incorrect content in spring-batch-docs jar #3922
• Duplicate entries in the documentation distribution file #3917

v4.2.8.RELEASE

🐞 Bug fixes

• Consider making JobParameters#getParameters() immutable #3980
• JdbcPagingItemReader with sort key crashes in multithreaded step for empty query #3898
• BatchTestContextCustomizer does not implement hashCode/equals, preventing context caching #3940
• "IllegalArgumentException: Only 1 out of 2 arguments could be assigned" using MethodInvokingTaskletAdapter + NamedParameterJdbcTemplate #3794
• Remove whitespace to support multiple execution statement #3861
• SimpleJobExplorer#getLastJobExecution does not fetch step executions #3943
• NPE in JDBC ItemReaders after changes in spring-jdbc's AbstractFallbackSQLExceptionTranslator #3968

📔 Documentation

• Fix double "the" typo everywhere in source code #3977
• Fix typos in the document for configuring steps #3965
• Incorrect content in spring-batch-docs jar #3922

v4.3.3

🐞 Bug fixes

• SimpleJobRepository should ignore non-identifying JobParameters #1221
• Setting item processor property with lambda error #3749
• Override SimpleStepBuilder.faultTolerant() in FaultTolerantStepBuilder #3840
• JdbcCursorItemReaderBuilder defaults verifyCursorPosition to false, but its Javadoc says the opposite #3893
• org.springframework.batch.core.JobParameter.toString may return null #834
• AvroItemWriter uses GenericDatumWriter instead of SpecificDatumWriter for type that extends SpecificRecordBase #3859

🚀 Enhancements

• Replace the list used internally by the ListItemReader (ArrayList -> LinkedList) #3782

📔 Documentation

• Improve code example in "Configuring and Running a Job" section #3888
• Incorrect code examples in documentation #3889
• Fix misused 'end()' in examples #3902
• Fix typo in documentation #3907

v4.2.7.RELEASE

🐞 Bug fixes

• SimpleJobRepository should ignore non-identifying JobParameters #1221
• Setting item processor property with lambda error #3749
• Override SimpleStepBuilder.faultTolerant() in FaultTolerantStepBuilder #3840
• JdbcCursorItemReaderBuilder defaults verifyCursorPosition to false, but its Javadoc says the opposite #3893
• org.springframework.batch.core.JobParameter.toString may return null #834
• AvroItemWriter uses GenericDatumWriter instead of SpecificDatumWriter for type that extends SpecificRecordBase #3859

🚀 Enhancements

• Replace the list used internally by the ListItemReader (ArrayList -> LinkedList) #3782

📔 Documentation

• Improve code example in "Configuring and Running a Job" section #3888
• Incorrect code examples in documentation #3889
• Fix misused 'end()' in examples #3902