Please refer to the migration guide for more details about upgrade instructions.

⭐ 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
• Add Micrometer Observation API usage #4065
• Integrate SAP Hana as supported Spring Batch database #1087
• 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
• 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
• Add support to customize transaction attributes #4195
• Add support to configure the transaction manager in SimpleJobOperator #1078
• Add support to configure the transaction manager in SimpleJobExplorer #1307
• Revisit the configuration of infrastructure beans with @EnableBatchProcessing #3942
• Add native-image support for AbstractJobRepositoryFactoryBean #4144
• Add native hints for Spring Batch #4187
• Use the Chunk API consistently #3954
• Parameter types improvement #2122
• Support Java 8 Dates for Job Parameters #1035
• Improve testability of SystemCommandTasklet #3955
• String array command with SystemCommandTasklet #752
• Add Spring Batch version in the execution context #4215
• Add native reflection hints for StepContext and JobContext #4228
• Add Micrometer counter for job launches in JobLauncher #4226
• Add full support for MariaDB as a separate product #3891
• Auto-configure SimpleJobOperator with EnableBatchProcessing and DefaultBatchConfiguration #3941
• Add method getJobInstance in JobExplorer/JobRepository/JobOperator #3930

🚀 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
• 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
• 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
• Replace deprecated IntegrationFlows #4155
• Rename SimpleJobLauncher to TaskExecutorJobLauncher #4123
• Reduce use of deprecated APIs #4120
• Migrate tests to JUnit Jupiter #4166
• Remove the dependency to JUnit in AssertFile #4112
• Can't wrap JobRepository in a tracing representation #3899
• Improve JobBuilder and StepBuilder APIs with regards to setting mandatory properties #4192
• Deprecate Job/Step builder factories #4188
• Revisit the default behaviour of job parameters conversion #3960
• Change DefaultExecutionContextSerializer to produce Base64 #4122
• Revisit the default configuration of ExecutionContextSerializer with EnableBatchProcessing #4140
• Update MySQL Connector/J and use new Maven coordinates #4211
• Improve @SpringBatchTest to autowire the job under test in JobLauncherTestUtils if it is unique #4218
• Improve Micrometer's meter registry customization #4224
• Improve Micrometer's observation registry customization #4222
• IllegalArgumentException thrown from afterPropertiesSet where IllegalStateException would be more appropriate #2244
• Open ChunkMessageChannelItemWriter for extension #952
• Change JobBuilerHelper#enhance parameter type to AbstractJob #4231
• Change StepBuilerHelper#enhance parameter type to AbstractStep #4220
• Sorting in JdbcJobExecutionDao.GET_RUNNING_EXECUTIONS makes no sense #3987

🐞 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
• 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
• 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
• JobRepositoryTestUtils should work against the JobRepository interface #4070
• The test datasource should not be autowired in JobRepositoryTestUtils #4178
• The job under test should not be autowired in JobLauncherTestUtils #1237
• RepositoryItemReader#setRepository is broken in 5.0.0-M4 #4164
• Fix non-nullable columns in MySQL migration for Spring Batch 4.3 #4145
• Incorrect transaction manager configuration in BatchConfigurer #4191
• Inconsistent transaction manager configuration between XML and Java config styles #4130
• Fix link to spring-batch.xsd in spring.schemas 05f6d13
• Duplicated job execution for single job instance. #3788
• JobRepositoryTestUtils#removeJobExecutions() Fails with Foreign Key Constraint Violation if Job Executions have Step Executions #4242
• Calling JobExplorer outside of a transaction logs warnings about the isolation Level not being applied #4230
• Incorrect deprecation of ItemStreamSupport #4238
• Execution context deserialization failure in AOT mode on second job run #4239
• JobOperator#stop can not stop JobExecution correctly in some cases #4064
• BatchStatus#isRunning() is not consistent with JobExplorer#findRunningJobExecutions(String) or JobExecution#isRunning() #1483
• JobRepository#getJobNames() always returns empty list #4229
• SpringBatchTest does not work ootb with SpringBoot #4233

🔨 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
• Deprecate Hibernate support #4150
• Deprecate AssertFile #4181
• Deprecate JobBuilderFactory and StepBuilderFactory support #4188
• Removal of BatchConfigurer and DefaultBatchConfigurer #3942
• Removal of SimpleBatchConfiguration and ModularBatchConfiguration #3942
• Remove ParameterType enumeration #3960
• Deprecate JobParameters#toProperties #3960
• Deprecate JobParametersBuilder#addParameter #3960
• The method JobParameter#getType now returns T instead of Object
• Deprecate throttle limit in favour of using similar features in TaskExecutor implementations #2218
• Remove support for Gemfire #4214
• Change setter name for isolationLevelForCreate in AbstractJobRepositoryFactoryBean #4213
• Change return type of counting methods in various DAOs from int to long #4227

🔨 Dependency Upgrades

• Upgrade to Spring Framework 6.0.1
• Upgrade to Spring Data 2022.0.0
• Upgrade to Spring Integration 6.0.0
• Upgrade to Spring AMQP 3.0.0
• Upgrade to Spring for Apache Kafka 3.0.0
• Upgrade to Micrometer 1.10.1

📔 Documentation

• Editing of the job edit changes #3918
• Add EPUB output in documentation #3920
• Restore the dynamic ToC #4019
• 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
• 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
• Add package-info.java to integration #4141
• Editing pass #4163
• Javadoc editing #4158
• Improve Javadocs #4129
• Update reference documentation to use the Spring Asciidoctor Backend #3865
• Fix minor example in job.adoc #4199
• Incorrect reference to SimpleJdbcTemplate in reference documentation #4197
• Improve documentation of scoped beans definition #1502
• Headline in Spring Batch 5.0 Migration Guide contains typo #4240

❤️ Contributors

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