RESOLVED - issue BATCH-443: ItemOrientedStep might not either commit or rollback transaction

Needed to flush before attempting to update step execution, then catch and attempt rollback on CommitFailedException.

spring-batch-core/src/test/java/org/springframework/batch/core/step/ItemOrientedStepTests.java

@@ -572,7 +572,7 @@ public class ItemOrientedStepTests extends TestCase {
 
 		itemOrientedStep.setTransactionManager(new ResourcelessTransactionManager() {
 			protected void doCommit(DefaultTransactionStatus status) throws TransactionException {
-				// Simulate failure on rollback when stream resets
+				// Simulate failure on commit
 				throw new RuntimeException("Bar");
 			}
 		});