added CrashController to showcase behaviour when exception occurs

src/main/java/org/springframework/samples/petclinic/web/CrashController.java

@@ -0,0 +1,23 @@
+
+package org.springframework.samples.petclinic.web;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+
+/**
+ * Controller used to showcase what happens when an exception is thrown
+ * 
+ * @author Michael Isvy
+ */
+@Controller
+public class CrashController {	
+
+	@RequestMapping(value="/oups", method = RequestMethod.GET)
+	public String triggerException() {
+		throw new RuntimeException("Something went wrong...");
+	}
+
+	
+
+}

src/main/java/org/springframework/samples/petclinic/web/OwnerController.java

@@ -66,7 +66,8 @@ public class OwnerController {
 	
 	@RequestMapping(value = "/owners/find", method = RequestMethod.GET)
 	public String initFindForm(Model model) {
-		throw new RuntimeException("aaaaaaa");
+		model.addAttribute("owner", new Owner());
+		return "owners/findOwners";
 	}
 
 	@RequestMapping(value = "/owners", method = RequestMethod.GET)