diff --git a/apache-avro/src/main/java/com/baeldung/avro/util/serealization/AvroDeSerealizer.java b/apache-avro/src/main/java/com/baeldung/avro/util/serealization/AvroDeSerealizer.java
index d2219a45f2..7d30c3d1ee 100644
--- a/apache-avro/src/main/java/com/baeldung/avro/util/serealization/AvroDeSerealizer.java
+++ b/apache-avro/src/main/java/com/baeldung/avro/util/serealization/AvroDeSerealizer.java
@@ -5,29 +5,37 @@ import org.apache.avro.io.DatumReader;
 import org.apache.avro.io.Decoder;
 import org.apache.avro.io.DecoderFactory;
 import org.apache.avro.specific.SpecificDatumReader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 
 public class AvroDeSerealizer {
 
-public AvroHttpRequest deSerealizeAvroHttpRequestJSON(byte[] data){
-    DatumReader<AvroHttpRequest> reader = new SpecificDatumReader<>(AvroHttpRequest.class);
-    Decoder decoder = null;
-    try {
-        decoder = DecoderFactory.get().jsonDecoder(AvroHttpRequest.getClassSchema(), new String(data));
-        return reader.read(null, decoder);
-    } catch (IOException e) {
-        return null;
-    }
-}
+    private static Logger logger = LoggerFactory.getLogger(AvroDeSerealizer.class);
 
-public AvroHttpRequest deSerealizeAvroHttpRequestBinary(byte[] data){
-    DatumReader<AvroHttpRequest> employeeReader = new SpecificDatumReader<>(AvroHttpRequest.class);
-    Decoder decoder = DecoderFactory.get().binaryDecoder(data, null);
-    try {
-        return employeeReader.read(null, decoder);
-    } catch (IOException e) {
+    public AvroHttpRequest deSerealizeAvroHttpRequestJSON(byte[] data) {
+        DatumReader<AvroHttpRequest> reader = new SpecificDatumReader<>(AvroHttpRequest.class);
+        Decoder decoder = null;
+        try {
+            decoder = DecoderFactory.get()
+                .jsonDecoder(AvroHttpRequest.getClassSchema(), new String(data));
+            return reader.read(null, decoder);
+        } catch (IOException e) {
+            logger.error("Deserialization error" + e.getMessage());
+        }
+        return null;
+    }
+
+    public AvroHttpRequest deSerealizeAvroHttpRequestBinary(byte[] data) {
+        DatumReader<AvroHttpRequest> employeeReader = new SpecificDatumReader<>(AvroHttpRequest.class);
+        Decoder decoder = DecoderFactory.get()
+            .binaryDecoder(data, null);
+        try {
+            return employeeReader.read(null, decoder);
+        } catch (IOException e) {
+            logger.error("Deserialization error" + e.getMessage());
+        }
         return null;
     }
 }
-}
diff --git a/apache-avro/src/main/java/com/baeldung/avro/util/serealization/AvroSerealizer.java b/apache-avro/src/main/java/com/baeldung/avro/util/serealization/AvroSerealizer.java
index f56c89e201..767b688dea 100644
--- a/apache-avro/src/main/java/com/baeldung/avro/util/serealization/AvroSerealizer.java
+++ b/apache-avro/src/main/java/com/baeldung/avro/util/serealization/AvroSerealizer.java
@@ -3,42 +3,48 @@ package com.baeldung.avro.util.serealization;
 import com.baeldung.avro.util.model.AvroHttpRequest;
 import org.apache.avro.io.*;
 import org.apache.avro.specific.SpecificDatumWriter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 
 public class AvroSerealizer {
 
-public byte[] serealizeAvroHttpRequestJSON(AvroHttpRequest request){
-    DatumWriter<AvroHttpRequest> writer = new SpecificDatumWriter<>(AvroHttpRequest.class);
-    byte[] data = new byte[0];
-    ByteArrayOutputStream stream = new ByteArrayOutputStream();
-    Encoder jsonEncoder = null;
-    try {
-        jsonEncoder = EncoderFactory.get().jsonEncoder(AvroHttpRequest.getClassSchema(), stream);
-        writer.write(request, jsonEncoder);
-        jsonEncoder.flush();
-        data = stream.toByteArray();
-    } catch (IOException e) {
-        data =null;
-    }
-    return data;
-}
+    private static final Logger logger = LoggerFactory.getLogger(AvroSerealizer.class);
 
-public byte[] serealizeAvroHttpRequestBinary(AvroHttpRequest request){
-    DatumWriter<AvroHttpRequest> writer = new SpecificDatumWriter<>(AvroHttpRequest.class);
-    byte[] data = new byte[0];
-    ByteArrayOutputStream stream = new ByteArrayOutputStream();
-    Encoder jsonEncoder = EncoderFactory.get().binaryEncoder(stream,null);
-    try {
-        writer.write(request, jsonEncoder);
-        jsonEncoder.flush();
-        data = stream.toByteArray();
-    } catch (IOException e) {
-        data = null;
+    public byte[] serealizeAvroHttpRequestJSON(AvroHttpRequest request) {
+        DatumWriter<AvroHttpRequest> writer = new SpecificDatumWriter<>(AvroHttpRequest.class);
+        byte[] data = new byte[0];
+        ByteArrayOutputStream stream = new ByteArrayOutputStream();
+        Encoder jsonEncoder = null;
+        try {
+            jsonEncoder = EncoderFactory.get()
+                .jsonEncoder(AvroHttpRequest.getClassSchema(), stream);
+            writer.write(request, jsonEncoder);
+            jsonEncoder.flush();
+            data = stream.toByteArray();
+        } catch (IOException e) {
+            logger.error("Serialization error " + e.getMessage());
+        }
+        return data;
     }
 
-    return data;
-}
+    public byte[] serealizeAvroHttpRequestBinary(AvroHttpRequest request) {
+        DatumWriter<AvroHttpRequest> writer = new SpecificDatumWriter<>(AvroHttpRequest.class);
+        byte[] data = new byte[0];
+        ByteArrayOutputStream stream = new ByteArrayOutputStream();
+        Encoder jsonEncoder = EncoderFactory.get()
+            .binaryEncoder(stream, null);
+        try {
+            writer.write(request, jsonEncoder);
+            jsonEncoder.flush();
+            data = stream.toByteArray();
+        } catch (IOException e) {
+            logger.error("Serialization error " + e.getMessage());
+        }
+
+        return data;
+    }
 
 }
diff --git a/apache-avro/src/test/java/com/baeldung/avro/util/serealization/AvroSerealizerDeSerealizerTest.java b/apache-avro/src/test/java/com/baeldung/avro/util/serealization/AvroSerealizerDeSerealizerTest.java
index 937a4ae650..ecd15ccbbc 100644
--- a/apache-avro/src/test/java/com/baeldung/avro/util/serealization/AvroSerealizerDeSerealizerTest.java
+++ b/apache-avro/src/test/java/com/baeldung/avro/util/serealization/AvroSerealizerDeSerealizerTest.java
@@ -24,8 +24,10 @@ public class AvroSerealizerDeSerealizerTest {
         serealizer = new AvroSerealizer();
         deSerealizer = new AvroDeSerealizer();
 
-        ClientIdentifier clientIdentifier = ClientIdentifier.newBuilder().
-                setHostName("localhost").setIpAddress("255.255.255.0").build();
+        ClientIdentifier clientIdentifier = ClientIdentifier.newBuilder()
+            .setHostName("localhost")
+            .setIpAddress("255.255.255.0")
+            .build();
 
         List<CharSequence> employees = new ArrayList();
         employees.add("James");
@@ -33,43 +35,49 @@ public class AvroSerealizerDeSerealizerTest {
         employees.add("David");
         employees.add("Han");
 
-        request = AvroHttpRequest.newBuilder().setRequestTime(01l)
-                .setActive(Active.YES).setClientIdentifier(clientIdentifier)
-                .setEmployeeNames(employees).build();
+        request = AvroHttpRequest.newBuilder()
+            .setRequestTime(01l)
+            .setActive(Active.YES)
+            .setClientIdentifier(clientIdentifier)
+            .setEmployeeNames(employees)
+            .build();
     }
 
     @After
     public void tearDown() throws Exception {
     }
 
-@Test
-public void WhenSerialized_UsingJSONEncoder_ObjectGetsSerialized(){
-    byte[] data = serealizer.serealizeAvroHttpRequestJSON(request);
-    assertTrue(Objects.nonNull(data));
-    assertTrue(data.length > 0);
-}
-
-@Test
-public void WhenSerialized_UsingBinaryEncoder_ObjectGetsSerialized(){
-    byte[] data = serealizer.serealizeAvroHttpRequestBinary(request);
-    assertTrue(Objects.nonNull(data));
-    assertTrue(data.length > 0);
-}
-
-@Test
-public void WhenDeserialize_UsingJSONDecoder_ActualAndExpectedObjectsAreEqual(){
-    byte[] data = serealizer.serealizeAvroHttpRequestJSON(request);
-    AvroHttpRequest actualRequest = deSerealizer.deSerealizeAvroHttpRequestJSON(data);
-    assertEquals(actualRequest,request);
-    assertTrue(actualRequest.getRequestTime().equals(request.getRequestTime()));
-}
-
-@Test
-public void WhenDeserialize_UsingBinaryecoder_ActualAndExpectedObjectsAreEqual(){
-    byte[] data = serealizer.serealizeAvroHttpRequestBinary(request);
-    AvroHttpRequest actualRequest = deSerealizer.deSerealizeAvroHttpRequestBinary(data);
-    assertEquals(actualRequest,request);
-    assertTrue(actualRequest.getRequestTime().equals(request.getRequestTime()));
-}
+    @Test
+    public void WhenSerializedUsingJSONEncoder_thenObjectGetsSerialized() {
+        byte[] data = serealizer.serealizeAvroHttpRequestJSON(request);
+        assertTrue(Objects.nonNull(data));
+        assertTrue(data.length > 0);
+    }
+
+    @Test
+    public void WhenSerializedUsingBinaryEncoder_thenObjectGetsSerialized() {
+        byte[] data = serealizer.serealizeAvroHttpRequestBinary(request);
+        assertTrue(Objects.nonNull(data));
+        assertTrue(data.length > 0);
+    }
+
+    @Test
+    public void WhenDeserializeUsingJSONDecoder_thenActualAndExpectedObjectsAreEqual() {
+        byte[] data = serealizer.serealizeAvroHttpRequestJSON(request);
+        AvroHttpRequest actualRequest = deSerealizer.deSerealizeAvroHttpRequestJSON(data);
+        assertEquals(actualRequest, request);
+        assertTrue(actualRequest.getRequestTime()
+            .equals(request.getRequestTime()));
+    }
+
+    @Test
+    public void WhenDeserializeUsingBinaryecoder_thenActualAndExpectedObjectsAreEqual() {
+        byte[] data = serealizer.serealizeAvroHttpRequestBinary(request);
+        AvroHttpRequest actualRequest = deSerealizer.deSerealizeAvroHttpRequestBinary(data);
+        assertEquals(actualRequest, request);
+        assertTrue(actualRequest.getRequestTime()
+            .equals(request.getRequestTime()));
+    }
+    
 }