diff --git a/httpclient/src/test/java/org/baeldung/httpclient/conn/MultiHttpClientConnThread.java b/httpclient/src/test/java/org/baeldung/httpclient/conn/MultiHttpClientConnThread.java
index b21684fdbb..e29aa11a2b 100644
--- a/httpclient/src/test/java/org/baeldung/httpclient/conn/MultiHttpClientConnThread.java
+++ b/httpclient/src/test/java/org/baeldung/httpclient/conn/MultiHttpClientConnThread.java
@@ -1,8 +1,6 @@
 package org.baeldung.httpclient.conn;
 
 import java.io.IOException;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 
 import org.apache.http.HttpResponse;
 import org.apache.http.client.ClientProtocolException;
@@ -10,52 +8,56 @@ import org.apache.http.client.methods.HttpGet;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
 import org.apache.http.util.EntityUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class MultiHttpClientConnThread extends Thread {
+    private final Logger logger = LoggerFactory.getLogger(getClass());
+
     private final CloseableHttpClient client;
     private final HttpGet get;
-    private PoolingHttpClientConnectionManager connManager = null;
+
+    private PoolingHttpClientConnectionManager connManager;
     private static HttpResponse response;
-    private Logger logger;
     public int leasedConn;
 
     public MultiHttpClientConnThread(final CloseableHttpClient client, final HttpGet get, final PoolingHttpClientConnectionManager connManager) {
         this.client = client;
         this.get = get;
         this.connManager = connManager;
-        logger = Logger.getLogger(MultiHttpClientConnThread.class.getName());
-        leasedConn = 0;
+        this.leasedConn = 0;
     }
 
     public MultiHttpClientConnThread(final CloseableHttpClient client, final HttpGet get) {
         this.client = client;
         this.get = get;
-        logger = Logger.getLogger(MultiHttpClientConnThread.class.getName());
     }
 
-    public int getLeasedConn() {
+    // API
+
+    public final int getLeasedConn() {
         return leasedConn;
     }
 
-    @Override
-    public void run() {
+    //
 
+    @Override
+    public final void run() {
         try {
-            if (this != null)
-                logger.log(Level.SEVERE, "Thread Running: " + getName());
+            logger.info("Thread Running: " + getName());
+
             response = client.execute(get);
             if (connManager != null) {
-                logger.log(Level.SEVERE, "Leased Connections " + connManager.getTotalStats().getLeased());
+                logger.info("Leased Connections " + connManager.getTotalStats().getLeased());
                 leasedConn = connManager.getTotalStats().getLeased();
-                logger.log(Level.SEVERE, "Available Connections " + connManager.getTotalStats().getAvailable());
+                logger.info("Available Connections " + connManager.getTotalStats().getAvailable());
             }
             EntityUtils.consume(response.getEntity());
-
         } catch (final ClientProtocolException ex) {
-
+            logger.error("", ex);
         } catch (final IOException ex) {
-
+            logger.error("", ex);
         }
-
     }
+
 }
diff --git a/httpclient/src/test/java/org/baeldung/httpclient/conn/TesterVersion_MultiHttpClientConnThread.java b/httpclient/src/test/java/org/baeldung/httpclient/conn/TesterVersion_MultiHttpClientConnThread.java
index 9562ffbae1..99619d3023 100644
--- a/httpclient/src/test/java/org/baeldung/httpclient/conn/TesterVersion_MultiHttpClientConnThread.java
+++ b/httpclient/src/test/java/org/baeldung/httpclient/conn/TesterVersion_MultiHttpClientConnThread.java
@@ -1,49 +1,49 @@
 package org.baeldung.httpclient.conn;
 
 import java.io.IOException;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 
 import org.apache.http.client.ClientProtocolException;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class TesterVersion_MultiHttpClientConnThread extends Thread {
+    private final Logger logger = LoggerFactory.getLogger(getClass());
+
     private final CloseableHttpClient client;
     private final HttpGet get;
-    private PoolingHttpClientConnectionManager connManager = null;
-    private Logger logger;
+    private PoolingHttpClientConnectionManager connManager;
     public int leasedConn;
 
     public TesterVersion_MultiHttpClientConnThread(final CloseableHttpClient client, final HttpGet get, final PoolingHttpClientConnectionManager connManager) {
         this.client = client;
         this.get = get;
         this.connManager = connManager;
-        logger = Logger.getLogger(TesterVersion_MultiHttpClientConnThread.class.getName());
         leasedConn = 0;
     }
 
-    public int getLeasedConn() {
+    //
+
+    public final int getLeasedConn() {
         return leasedConn;
     }
 
     @Override
-    public void run() {
+    public final void run() {
         try {
-            if (this != null)
-                logger.log(Level.SEVERE, "Thread Running: " + getName());
+            logger.info("Thread Running: " + getName());
             client.execute(get);
             if (connManager != null) {
-                logger.log(Level.SEVERE, "Leased Connections " + connManager.getTotalStats().getLeased());
+                logger.info("Leased Connections " + connManager.getTotalStats().getLeased());
                 leasedConn = connManager.getTotalStats().getLeased();
-                logger.log(Level.SEVERE, "Available Connections " + connManager.getTotalStats().getAvailable());
+                logger.info("Available Connections " + connManager.getTotalStats().getAvailable());
             }
-
         } catch (final ClientProtocolException ex) {
-
+            logger.error("", ex);
         } catch (final IOException ex) {
-
+            logger.error("", ex);
         }
     }