diff --git a/src/main/java/org/apache/maven/plugins/checkstyle/AbstractCheckstyleReport.java b/src/main/java/org/apache/maven/plugins/checkstyle/AbstractCheckstyleReport.java
index 358b27d7..76096446 100644
--- a/src/main/java/org/apache/maven/plugins/checkstyle/AbstractCheckstyleReport.java
+++ b/src/main/java/org/apache/maven/plugins/checkstyle/AbstractCheckstyleReport.java
@@ -445,7 +445,7 @@ public abstract class AbstractCheckstyleReport extends AbstractMavenReport {
     /**
      * @since 2.5
      */
-    protected CheckstyleExecutor checkstyleExecutor;
+    protected final CheckstyleExecutor checkstyleExecutor;
 
     /**
      * Internationalization component
@@ -455,7 +455,9 @@ public abstract class AbstractCheckstyleReport extends AbstractMavenReport {
     protected ByteArrayOutputStream stringOutputStream;
 
     public AbstractCheckstyleReport(
-            ResourceManager locator, @Named("default") CheckstyleExecutor checkstyleExecutor, I18N i18n) {
+            final ResourceManager locator,
+            final @Named("default") CheckstyleExecutor checkstyleExecutor,
+            final I18N i18n) {
         this.locator = locator;
         this.checkstyleExecutor = checkstyleExecutor;
         this.i18n = i18n;
diff --git a/src/main/java/org/apache/maven/plugins/checkstyle/CheckstyleReport.java b/src/main/java/org/apache/maven/plugins/checkstyle/CheckstyleReport.java
index 84c7db6a..76b28b5b 100644
--- a/src/main/java/org/apache/maven/plugins/checkstyle/CheckstyleReport.java
+++ b/src/main/java/org/apache/maven/plugins/checkstyle/CheckstyleReport.java
@@ -47,7 +47,9 @@ public class CheckstyleReport extends AbstractCheckstyleReport {
 
     @Inject
     public CheckstyleReport(
-            ResourceManager locator, @Named("default") CheckstyleExecutor checkstyleExecutor, I18N i18n) {
+            final ResourceManager locator,
+            final @Named("default") CheckstyleExecutor checkstyleExecutor,
+            final I18N i18n) {
         super(locator, checkstyleExecutor, i18n);
     }
 
diff --git a/src/main/java/org/apache/maven/plugins/checkstyle/exec/DefaultCheckstyleExecutor.java b/src/main/java/org/apache/maven/plugins/checkstyle/exec/DefaultCheckstyleExecutor.java
index c6598ad9..41abbf5e 100644
--- a/src/main/java/org/apache/maven/plugins/checkstyle/exec/DefaultCheckstyleExecutor.java
+++ b/src/main/java/org/apache/maven/plugins/checkstyle/exec/DefaultCheckstyleExecutor.java
@@ -63,7 +63,7 @@
  * @author Olivier Lamy
  * @since 2.5
  */
-@Named
+@Named("default")
 public class DefaultCheckstyleExecutor extends AbstractLogEnabled implements CheckstyleExecutor {
     private final ResourceManager locator;
 
diff --git a/src/main/java/org/apache/maven/plugins/checkstyle/resource/LicenseResourceManager.java b/src/main/java/org/apache/maven/plugins/checkstyle/resource/LicenseResourceManager.java
index 29d20a01..1a06f14c 100644
--- a/src/main/java/org/apache/maven/plugins/checkstyle/resource/LicenseResourceManager.java
+++ b/src/main/java/org/apache/maven/plugins/checkstyle/resource/LicenseResourceManager.java
@@ -41,7 +41,7 @@ public class LicenseResourceManager extends DefaultResourceManager {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(LicenseResourceManager.class);
 
-    private Map<String, ResourceLoader> resourceLoaders;
+    private final Map<String, ResourceLoader> resourceLoaders;
 
     @Inject
     public LicenseResourceManager(Map<String, ResourceLoader> resourceLoaders) {
diff --git a/src/test/java/org/apache/maven/plugins/checkstyle/CheckstyleReportTest.java b/src/test/java/org/apache/maven/plugins/checkstyle/CheckstyleReportTest.java
index 038839b1..d21f8d80 100644
--- a/src/test/java/org/apache/maven/plugins/checkstyle/CheckstyleReportTest.java
+++ b/src/test/java/org/apache/maven/plugins/checkstyle/CheckstyleReportTest.java
@@ -36,7 +36,8 @@
 public class CheckstyleReportTest extends AbstractCheckstyleTestCase {
     public void testNoSource() throws Exception {
         File generatedReport = generateReport(getGoal(), "no-source-plugin-config.xml");
-        assertFalse(FileUtils.fileExists(generatedReport.getAbsolutePath()));
+        String absolutePath = generatedReport.getAbsolutePath();
+        assertFalse(absolutePath + " exists", FileUtils.fileExists(absolutePath));
     }
 
     public void testMinConfiguration() throws Exception {