diff --git a/spring-batch-core/src/main/java/org/springframework/batch/core/step/builder/AbstractTaskletStepBuilder.java b/spring-batch-core/src/main/java/org/springframework/batch/core/step/builder/AbstractTaskletStepBuilder.java index 95de16d93..175e0c1b6 100644 --- a/spring-batch-core/src/main/java/org/springframework/batch/core/step/builder/AbstractTaskletStepBuilder.java +++ b/spring-batch-core/src/main/java/org/springframework/batch/core/step/builder/AbstractTaskletStepBuilder.java @@ -199,9 +199,9 @@ public abstract class AbstractTaskletStepBuilderchunk(10, transactionManager) + .reader(itemReader()) + .writer(itemWriter()) + .stepOperations(customRepeatOperations) + .build(); +} +---- +==== + There are some practical limitations of using multi-threaded `Step` implementations for some common batch use cases. Many participants in a `Step` (such as readers and writers) are stateful. If the state is not segregated by thread, those components are not