Remove Exception from IOS.onInit()

spring-integration-jms/src/main/java/org/springframework/integration/jms/JmsInboundGateway.java

@@ -80,7 +80,7 @@ public class JmsInboundGateway extends MessagingGatewaySupport implements Dispos
 	}
 
 	@Override
-	protected void onInit() throws Exception {
+	protected void onInit() {
 		this.endpoint.afterPropertiesSet();
 	}
 

spring-integration-jms/src/main/java/org/springframework/integration/jms/SubscribableJmsChannel.java

@@ -89,7 +89,7 @@ public class SubscribableJmsChannel extends AbstractJmsChannel
 	}
 
 	@Override
-	public void onInit() throws Exception {
+	public void onInit() {
 		if (this.initialized) {
 			return;
 		}