diff --git a/core-java-modules/core-java-reflection-2/pom.xml b/core-java-modules/core-java-reflection-2/pom.xml
index e6bfe259db..b887f95823 100644
--- a/core-java-modules/core-java-reflection-2/pom.xml
+++ b/core-java-modules/core-java-reflection-2/pom.xml
@@ -22,14 +22,14 @@
             <scope>test</scope>
         </dependency>
         <dependency>
-	        <groupId>org.reflections</groupId>
-	        <artifactId>reflections</artifactId>
-	        <version>0.9.12</version>
+            <groupId>org.reflections</groupId>
+            <artifactId>reflections</artifactId>
+            <version>0.9.12</version>
         </dependency>
         <dependency>
-           <groupId>com.google.guava</groupId>
-           <artifactId>guava</artifactId>
-           <version>30.1.1-jre</version>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>30.1.1-jre</version>
         </dependency>
     </dependencies>
     
diff --git a/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/access/packages/AccessingAllClassesInPackage.java b/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/access/packages/AccessingAllClassesInPackage.java
index 7da8e224ee..dfbfaca270 100644
--- a/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/access/packages/AccessingAllClassesInPackage.java
+++ b/core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/access/packages/AccessingAllClassesInPackage.java
@@ -9,12 +9,16 @@ import java.util.stream.Collectors;
 
 import org.reflections.Reflections;
 import org.reflections.scanners.SubTypesScanner;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import com.google.common.reflect.ClassPath;
 
 @SuppressWarnings("rawtypes")
 public class AccessingAllClassesInPackage {
 
+    private static final Logger LOG = LoggerFactory.getLogger(AccessingAllClassesInPackage.class);
+
     public Set<Class> findAllClassesUsingClassLoader(String packageName) {
         InputStream stream = ClassLoader.getSystemClassLoader()
             .getResourceAsStream(packageName.replaceAll("[.]", "/"));
@@ -29,7 +33,7 @@ public class AccessingAllClassesInPackage {
         try {
             return Class.forName(packageName + "." + className.substring(0, className.lastIndexOf('.')));
         } catch (ClassNotFoundException e) {
-            e.printStackTrace();
+            LOG.error("<<Class not found>>");
         }
         return null;
     }