diff --git a/appserver/admingui/commandrecorder/pom.xml b/appserver/admingui/commandrecorder/pom.xml
index 15bbcb4ed41..f7966c72eb4 100644
--- a/appserver/admingui/commandrecorder/pom.xml
+++ b/appserver/admingui/commandrecorder/pom.xml
@@ -17,7 +17,7 @@
 
 -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
diff --git a/appserver/admingui/commandrecorder/src/main/java/org/glassfish/commandrecorder/admingui/CommandRecorder.java b/appserver/admingui/commandrecorder/src/main/java/org/glassfish/commandrecorder/admingui/CommandRecorder.java
index cc0e5f45d0a..980fa349476 100644
--- a/appserver/admingui/commandrecorder/src/main/java/org/glassfish/commandrecorder/admingui/CommandRecorder.java
+++ b/appserver/admingui/commandrecorder/src/main/java/org/glassfish/commandrecorder/admingui/CommandRecorder.java
@@ -33,7 +33,7 @@
 public class CommandRecorder {
 
     @Inject
-    Instance<CommandRunner> commandRunnerprovider;
+    Instance<CommandRunner> commandRunnerProvider;
 
     @Inject
     Instance<ActionReport> actionReportProvider;
@@ -54,7 +54,7 @@ public void setEnabled(boolean enabled) {
     }
 
     private void setSystemProperty(AdminCommandLogger.LogMode propertyValue) {
-        final CommandRunner.CommandInvocation commandInvocation = commandRunnerprovider.get().getCommandInvocation("create-system-properties", actionReportProvider.get(), subjectProvider.get());
+        final CommandRunner.CommandInvocation commandInvocation = commandRunnerProvider.get().getCommandInvocation("create-system-properties", actionReportProvider.get(), subjectProvider.get());
         commandInvocation.parameters(parameters(propertyValue)).execute();
     }
 
diff --git a/appserver/admingui/war/src/main/java/org/glassfish/admingui/common/AdminGuiApplication.java b/appserver/admingui/war/src/main/java/org/glassfish/admingui/common/AdminGuiApplication.java
index 7f45c0285f0..67c27978bcf 100644
--- a/appserver/admingui/war/src/main/java/org/glassfish/admingui/common/AdminGuiApplication.java
+++ b/appserver/admingui/war/src/main/java/org/glassfish/admingui/common/AdminGuiApplication.java
@@ -25,7 +25,7 @@
  */
 public class AdminGuiApplication extends ApplicationWrapper {
 
-    ViewHandler defaultViewHandler = null;
+    ViewHandler defaultViewHandler;
 
     public AdminGuiApplication(Application wrapped) {
         super(wrapped);
diff --git a/appserver/admingui/war/src/main/java/org/glassfish/admingui/common/AdminGuiViewHandler.java b/appserver/admingui/war/src/main/java/org/glassfish/admingui/common/AdminGuiViewHandler.java
index 93c92cd68d0..0254f3ab965 100644
--- a/appserver/admingui/war/src/main/java/org/glassfish/admingui/common/AdminGuiViewHandler.java
+++ b/appserver/admingui/war/src/main/java/org/glassfish/admingui/common/AdminGuiViewHandler.java
@@ -26,7 +26,7 @@
  */
 public class AdminGuiViewHandler extends ViewHandlerWrapper {
 
-    private ViewHandler defaultViewHandler = null;
+    private ViewHandler defaultViewHandler;
 
     public AdminGuiViewHandler(ViewHandler wrapped) {
         super(wrapped);
diff --git a/appserver/web/web-glue/src/main/java/com/sun/enterprise/web/WebModuleListener.java b/appserver/web/web-glue/src/main/java/com/sun/enterprise/web/WebModuleListener.java
index 48afd16b9cf..9c7be5d49e5 100644
--- a/appserver/web/web-glue/src/main/java/com/sun/enterprise/web/WebModuleListener.java
+++ b/appserver/web/web-glue/src/main/java/com/sun/enterprise/web/WebModuleListener.java
@@ -189,7 +189,7 @@ private void configureJsp(WebModule webModule) {
         ServiceLocator defaultServices = webContainer.getServerContext().getDefaultServices();
         final String servicesName = webModule.getComponentId();
         ServiceLocator webAppServices = ServiceLocatorFactory.getInstance().create(servicesName, defaultServices);
-        initializeChildServices(webAppServices, Thread.currentThread().getContextClassLoader());
+        initializeServicesFromClassLoader(webAppServices, Thread.currentThread().getContextClassLoader());
 
         // set services for jsf injection
         servletContext.setAttribute(Constants.HABITAT_ATTRIBUTE, webAppServices);
@@ -272,16 +272,14 @@ private void configureJsp(WebModule webModule) {
 
     }
 
-    private static void initializeChildServices(ServiceLocator serviceLocator, ClassLoader childClassLoader) {
+    private static void initializeServicesFromClassLoader(ServiceLocator serviceLocator, ClassLoader classLoader) {
         DynamicConfigurationService dcs =
                     serviceLocator.getService(DynamicConfigurationService.class);
             Populator populator = dcs.getPopulator();
         try {
-            populator.populate(new ClasspathDescriptorFileFinder(childClassLoader));
-        } catch (IOException ex) {
-            Logger.getLogger(WebModuleListener.class.getName()).log(Level.SEVERE, null, ex);
-        } catch (MultiException ex) {
-            Logger.getLogger(WebModuleListener.class.getName()).log(Level.SEVERE, null, ex);
+            populator.populate(new ClasspathDescriptorFileFinder(classLoader));
+        } catch (IOException | MultiException ex) {
+            _logger.log(Level.SEVERE, ex, ex::getMessage);
         }
     }