Fix state management in chunk oriented step

Author: fmbenhassine

spring-batch-core/src/main/java/org/springframework/batch/core/step/item/ChunkOrientedStep.java

@@ -421,6 +421,7 @@ private void processChunkConcurrently(TransactionStatus status, StepContribution
 			// apply contribution and update streams
 			stepExecution.apply(contribution);
 			this.compositeItemStream.update(stepExecution.getExecutionContext());
+			getJobRepository().updateExecutionContext(stepExecution);
 		}
 
 	}
@@ -451,6 +452,7 @@ private void processChunkSequentially(TransactionStatus status, StepContribution
 			// apply contribution and update streams
 			stepExecution.apply(contribution);
 			compositeItemStream.update(stepExecution.getExecutionContext());
+			getJobRepository().updateExecutionContext(stepExecution);
 		}
 	}