RESOLVED - issue BATCH-472: Exceeding the start limit on a step will cause a vague exception type to be thrown.

http://jira.springframework.org/browse/BATCH-472

added package-private StartLimitExceededException (subclass of UnexpectedJobExecutionException), that takes Step as constructor argument and creates appropriate message

spring-batch-core/src/main/java/org/springframework/batch/core/job/SimpleJob.java

@@ -198,8 +198,7 @@ public class SimpleJob extends AbstractJob {
 		}
 		else {
 			// start max has been exceeded, throw an exception.
-			throw new UnexpectedJobExecutionException("Maximum start limit exceeded for step: " + step.getName()
-					+ "StartMax: " + step.getStartLimit());
+			throw new StartLimitExceededException(step);
 		}
 	}
 

spring-batch-core/src/main/java/org/springframework/batch/core/job/StartLimitExceededException.java

@@ -0,0 +1,15 @@
+package org.springframework.batch.core.job;
+
+import org.springframework.batch.core.Step;
+import org.springframework.batch.core.UnexpectedJobExecutionException;
+
+/**
+ * Indicates the step's start limit has been exceeded.
+ */
+class StartLimitExceededException extends UnexpectedJobExecutionException {
+
+	public StartLimitExceededException(Step step) {
+		super("Maximum start limit exceeded for step: " + step.getName()
+				+ "StartMax: " + step.getStartLimit());
+	}
+}