BATCH-2212: Updated CommandLineJobRunner to better communicate exceptions

spring-batch-core/src/main/java/org/springframework/batch/core/launch/support/CommandLineJobRunner.java

@@ -36,7 +36,6 @@ import org.springframework.batch.core.launch.JobLauncher;
 import org.springframework.batch.core.launch.JobParametersNotFoundException;
 import org.springframework.batch.core.launch.NoSuchJobException;
 import org.springframework.batch.core.repository.JobRepository;
-import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.BeanDefinitionStoreException;
 import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
 import org.springframework.context.ConfigurableApplicationContext;
@@ -286,11 +285,11 @@ public class CommandLineJobRunner {
 
 		try {
 			try {
-				context = new ClassPathXmlApplicationContext(jobPath);
-			} catch (BeansException e) {
-				logger.info("No XML-based context named " + jobPath + ". Trying class-based configuration.");
 				context = new AnnotationConfigApplicationContext(Class.forName(jobPath));
+			} catch (ClassNotFoundException cnfe) {
+				context = new ClassPathXmlApplicationContext(jobPath);
 			}
+
 			context.getAutowireCapableBeanFactory().autowireBeanProperties(this,
 					AutowireCapableBeanFactory.AUTOWIRE_BY_TYPE, false);
 
@@ -583,6 +582,7 @@ public class CommandLineJobRunner {
 			logger.error(message);
 			CommandLineJobRunner.message = message;
 			command.exit(1);
+			return;
 		}
 
 		String[] parameters = params.toArray(new String[params.size()]);

spring-batch-core/src/test/java/org/springframework/batch/core/launch/support/CommandLineJobRunnerTests.java

@@ -33,6 +33,8 @@ import org.springframework.batch.core.launch.JobLauncher;
 import org.springframework.batch.core.launch.NoSuchJobException;
 import org.springframework.batch.core.repository.JobExecutionAlreadyRunningException;
 import org.springframework.batch.core.step.JobRepositorySupport;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
 import org.springframework.util.ClassUtils;
 
 import java.io.IOException;
@@ -118,7 +120,7 @@ public class CommandLineJobRunnerTests {
 		CommandLineJobRunner.main(args);
 		assertEquals(1, StubSystemExiter.status);
 		String errorMessage = CommandLineJobRunner.getErrorMessage();
-		assertTrue("Wrong error message: " + errorMessage, errorMessage.contains("Config locations must not be null"));
+		assertTrue("Wrong error message: " + errorMessage, errorMessage.contains("At least 2 arguments are required: JobPath/JobClass and jobIdentifier."));
 	}
 
 	@Test
@@ -355,6 +357,19 @@ public class CommandLineJobRunnerTests {
 		assertTrue(StubJobLauncher.destroyed);
 	}
 
+	@Test
+	public void testJavaConfig() throws Exception {
+		String[] args =
+				new String[] { "org.springframework.batch.core.launch.support.CommandLineJobRunnerTests$Configuration1",
+								"invalidJobName"};
+		CommandLineJobRunner.presetSystemExiter(new StubSystemExiter());
+		CommandLineJobRunner.main(args);
+		assertEquals(1, StubSystemExiter.status);
+		String errorMessage = CommandLineJobRunner.getErrorMessage();
+		assertTrue("Wrong error message: " + errorMessage,
+						  errorMessage.contains("A JobLauncher must be provided.  Please add one to the configuration."));
+	}
+
 	public static class StubSystemExiter implements SystemExiter {
 
 		private static int status;
@@ -530,4 +545,12 @@ public class CommandLineJobRunnerTests {
 
 	}
 
+	@Configuration
+	public static class Configuration1 {
+		@Bean
+		public String bean1() {
+			return "bean1";
+		}
+	}
+
 }