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Add batch-5-to-6 module: Spring Batch 5.2 to 6.0 migration on Boot 3.5 to 4.1

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Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Gth99spB1CzQmBFofXmU4Z
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asmhatre
2026-09-28 09:09:50 +00:00
co-authored by Claude Sonnet 5
parent 804c33f0d5
commit ae681f85c4
22 changed files with 495 additions and 0 deletions
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batch-5-to-6/output/01-legacy-batch5.txt
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$ mvn test # Boot 3.5.16, Batch 5.2.6, JDK 21
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.750 s -- in com.ankurm.batch.JobTest
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
[INFO] BUILD SUCCESS
$ java -jar target/batch-legacy-1.0.0.jar
WRITE [sq1, sq4, sq9]
CHUNK DONE, read so far=3
WRITE [sq16, sq25, sq36]
CHUNK DONE, read so far=6
WRITE [sq49]
CHUNK DONE, read so far=7
STATUS COMPLETED exit=COMPLETED
INSTANCES 1
DONE true
batch-5-to-6/output/02-compile-errors-after-bump.txt
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$ mvn compile # legacy sources, only the Boot version changed to 4.1.1 (Batch 6.0.5)
compile error lines reported: 56
packages that no longer exist:
package org.springframework.batch.core.explore does not exist
package org.springframework.batch.item does not exist
package org.springframework.batch.item.support does not exist
classes that moved:
ChunkListener ItemReader ItemWriter Job JobExecution JobExplorer JobParameters JobParametersBuilder ListItemReader Step
batch-5-to-6/output/03-imports-ported-no-transaction-manager.txt
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$ mvn package # imports ported to the new packages, dependencies unchanged (spring-boot-starter-batch)
[WARNING] s2/src/main/java/com/ankurm/batch/BatchConfig.java:[34,35] afterChunk(org.springframework.batch.core.scope.context.ChunkContext) in org.springframework.batch.core.listener.ChunkListener has been deprecated and marked for removal
[WARNING] s2/src/main/java/com/ankurm/batch/BatchConfig.java:[43,17] <I,O>chunk(int,org.springframework.transaction.PlatformTransactionManager) in org.springframework.batch.core.step.builder.StepBuilder has been deprecated and marked for removal
[WARNING] s2/src/main/java/com/ankurm/batch/JobRunner.java:[14,19] org.springframework.batch.core.launch.JobLauncher in org.springframework.batch.core.launch has been deprecated and marked for removal
[WARNING] s2/src/main/java/com/ankurm/batch/JobRunner.java:[15,19] org.springframework.batch.core.repository.explore.JobExplorer in org.springframework.batch.core.repository.explore has been deprecated and marked for removal
[WARNING] s2/src/main/java/com/ankurm/batch/JobRunner.java:[18,22] org.springframework.batch.core.launch.JobLauncher in org.springframework.batch.core.launch has been deprecated and marked for removal
[WARNING] s2/src/main/java/com/ankurm/batch/JobRunner.java:[18,44] org.springframework.batch.core.repository.explore.JobExplorer in org.springframework.batch.core.repository.explore has been deprecated and marked for removal
[WARNING] s2/src/test/java/com/ankurm/batch/JobTest.java:[16,16] org.springframework.batch.test.JobLauncherTestUtils in org.springframework.batch.test has been deprecated and marked for removal
[WARNING] s2/src/test/java/com/ankurm/batch/JobTest.java:[20,34] launchJob() in org.springframework.batch.test.JobLauncherTestUtils has been deprecated and marked for removal
[INFO] BUILD SUCCESS
$ java -jar target/batch-legacy-1.0.0.jar
APPLICATION FAILED TO START
***************************
Description:
Parameter 1 of method squareStep in com.ankurm.batch.BatchConfig required a bean of type 'org.springframework.transaction.PlatformTransactionManager' that could not be found.
batch-5-to-6/output/04-jdbc-starter-added.txt
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$ mvn package # + spring-boot-starter-batch-jdbc and spring-boot-starter-jdbc
[WARNING] s3/src/main/java/com/ankurm/batch/BatchConfig.java:[34,35] afterChunk(org.springframework.batch.core.scope.context.ChunkContext) in org.springframework.batch.core.listener.ChunkListener has been deprecated and marked for removal
[WARNING] s3/src/main/java/com/ankurm/batch/BatchConfig.java:[43,17] <I,O>chunk(int,org.springframework.transaction.PlatformTransactionManager) in org.springframework.batch.core.step.builder.StepBuilder has been deprecated and marked for removal
[WARNING] s3/src/main/java/com/ankurm/batch/JobRunner.java:[14,19] org.springframework.batch.core.launch.JobLauncher in org.springframework.batch.core.launch has been deprecated and marked for removal
[WARNING] s3/src/main/java/com/ankurm/batch/JobRunner.java:[15,19] org.springframework.batch.core.repository.explore.JobExplorer in org.springframework.batch.core.repository.explore has been deprecated and marked for removal
[WARNING] s3/src/main/java/com/ankurm/batch/JobRunner.java:[18,22] org.springframework.batch.core.launch.JobLauncher in org.springframework.batch.core.launch has been deprecated and marked for removal
[WARNING] s3/src/main/java/com/ankurm/batch/JobRunner.java:[18,44] org.springframework.batch.core.repository.explore.JobExplorer in org.springframework.batch.core.repository.explore has been deprecated and marked for removal
[WARNING] s3/src/test/java/com/ankurm/batch/JobTest.java:[16,16] org.springframework.batch.test.JobLauncherTestUtils in org.springframework.batch.test has been deprecated and marked for removal
[WARNING] s3/src/test/java/com/ankurm/batch/JobTest.java:[20,34] launchJob() in org.springframework.batch.test.JobLauncherTestUtils has been deprecated and marked for removal
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.571 s -- in com.ankurm.batch.JobTest
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
[INFO] BUILD SUCCESS
$ java -jar target/batch-legacy-1.0.0.jar
WRITE [sq1, sq4, sq9]
CHUNK DONE, read so far=3
WRITE [sq16, sq25, sq36]
CHUNK DONE, read so far=6
WRITE [sq49]
CHUNK DONE, read so far=7
STATUS COMPLETED exit=COMPLETED
INSTANCES 1
DONE true
batch-5-to-6/output/05-new-chunk-api-listener-silent.txt
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$ mvn package # chunk(3, tx) replaced by chunk(3).transactionManager(tx); listener untouched
[WARNING] s4/src/main/java/com/ankurm/batch/BatchConfig.java:[34,35] afterChunk(org.springframework.batch.core.scope.context.ChunkContext) in org.springframework.batch.core.listener.ChunkListener has been deprecated and marked for removal
[WARNING] s4/src/main/java/com/ankurm/batch/JobRunner.java:[14,19] org.springframework.batch.core.launch.JobLauncher in org.springframework.batch.core.launch has been deprecated and marked for removal
[WARNING] s4/src/main/java/com/ankurm/batch/JobRunner.java:[15,19] org.springframework.batch.core.repository.explore.JobExplorer in org.springframework.batch.core.repository.explore has been deprecated and marked for removal
[WARNING] s4/src/main/java/com/ankurm/batch/JobRunner.java:[18,22] org.springframework.batch.core.launch.JobLauncher in org.springframework.batch.core.launch has been deprecated and marked for removal
[WARNING] s4/src/main/java/com/ankurm/batch/JobRunner.java:[18,44] org.springframework.batch.core.repository.explore.JobExplorer in org.springframework.batch.core.repository.explore has been deprecated and marked for removal
[WARNING] s4/src/test/java/com/ankurm/batch/JobTest.java:[16,16] org.springframework.batch.test.JobLauncherTestUtils in org.springframework.batch.test has been deprecated and marked for removal
[WARNING] s4/src/test/java/com/ankurm/batch/JobTest.java:[20,34] launchJob() in org.springframework.batch.test.JobLauncherTestUtils has been deprecated and marked for removal
[INFO] BUILD SUCCESS
$ java -jar target/batch-legacy-1.0.0.jar
WRITE [sq1, sq4, sq9]
WRITE [sq16, sq25, sq36]
WRITE [sq49]
STATUS COMPLETED exit=COMPLETED
INSTANCES 1
DONE true
batch-5-to-6/output/06-migrated.txt
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$ mvn package # final migrated project
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.029 s -- in com.ankurm.batch.JobTest
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
[INFO] BUILD SUCCESS
$ java -jar target/batch-migrated-1.0.0.jar
WRITE [sq1, sq4, sq9]
CHUNK DONE, items in chunk=3
WRITE [sq16, sq25, sq36]
CHUNK DONE, items in chunk=3
WRITE [sq49]
CHUNK DONE, items in chunk=1
STATUS COMPLETED exit=COMPLETED
INSTANCES 1
DONE true
batch-5-to-6/output/07-api-facts.txt
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$ javap (Batch 6.0.5 jars), selected lines
public interface core.launch.JobOperator extends core.launch.JobLauncher {
public interface core.repository.JobRepository extends core.repository.explore.JobExplorer {
public class test.JobOperatorTestUtils extends test.JobLauncherTestUtils {
public <I, O> core.step.builder.SimpleStepBuilder<I, O> chunk(int, PlatformTransactionManager);
public <I, O> core.step.builder.ChunkOrientedStepBuilder<I, O> chunk(int);
public <I, O> core.step.builder.SimpleStepBuilder<I, O> chunk(infrastructure.repeat.CompletionPolicy, PlatformTransactionManager);
public default void beforeChunk(core.scope.context.ChunkContext);
public default void afterChunk(core.scope.context.ChunkContext);
public default void afterChunkError(core.scope.context.ChunkContext);
public default void beforeChunk(infrastructure.item.Chunk<I>);
public default void afterChunk(infrastructure.item.Chunk<O>);
public default void onChunkError(java.lang.Exception, infrastructure.item.Chunk<O>);