minor cleanup

spring-security-rest-full/src/main/java/org/baeldung/web/metric/MetricFilter.java

@@ -26,7 +26,7 @@ public class MetricFilter implements Filter {
     public void init(final FilterConfig config) throws ServletException {
         if (metricService == null || actMetricService == null) {
             metricService = (IMetricService) WebApplicationContextUtils.getRequiredWebApplicationContext(config.getServletContext()).getBean("metricService");
-            actMetricService = (ICustomActuatorMetricService) WebApplicationContextUtils.getRequiredWebApplicationContext(config.getServletContext()).getBean("actuatorMetricService");
+            actMetricService = WebApplicationContextUtils.getRequiredWebApplicationContext(config.getServletContext()).getBean(CustomActuatorMetricService.class);
         }
     }
 

spring-security-rest-full/src/main/resources/springDataPersistenceConfig.xml

@@ -1,7 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:jpa="http://www.springframework.org/schema/data/jpa"
-    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
-    http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa.xsd"
+    xsi:schemaLocation="
+    http://www.springframework.org/schema/beans 
+    http://www.springframework.org/schema/beans/spring-beans.xsd
+    http://www.springframework.org/schema/data/jpa 
+    http://www.springframework.org/schema/data/jpa/spring-jpa.xsd"
 >
 
     <jpa:repositories base-package="org.baeldung.persistence.dao"/>

spring-security-rest-full/src/main/resources/webSecurityConfig.xml

@@ -4,7 +4,7 @@
 		http://www.springframework.org/schema/security 
         http://www.springframework.org/schema/security/spring-security.xsd
 		http://www.springframework.org/schema/beans 
-        http://www.springframework.org/schema/beans/spring-beans-4.2.xsd"
+        http://www.springframework.org/schema/beans/spring-beans.xsd"
 >
 
     <http pattern="/securityNone" security="none"/>