diff --git a/tosan-httpclient-spring-boot-core/src/main/java/com/tosan/client/http/core/certificate/CertificateLoader.java b/tosan-httpclient-spring-boot-core/src/main/java/com/tosan/client/http/core/certificate/CertificateLoader.java
index 76289a0..4438a8a 100644
--- a/tosan-httpclient-spring-boot-core/src/main/java/com/tosan/client/http/core/certificate/CertificateLoader.java
+++ b/tosan-httpclient-spring-boot-core/src/main/java/com/tosan/client/http/core/certificate/CertificateLoader.java
@@ -23,7 +23,6 @@
  * @since 1/22/2021
  */
 public class CertificateLoader {
-
     private static final Logger LOGGER = LoggerFactory.getLogger(CertificateLoader.class);
 
     private CertificateLoader() {
@@ -76,7 +75,7 @@ public static SSLContext buildSSLContext(HttpClientProperties.SSLConfiguration s
     public static TrustManagerFactory getTrustManagerFactory(HttpClientProperties.SSLConfiguration sslConfiguration) {
         HttpClientProperties.TruststoreConfiguration truststoreConfiguration = sslConfiguration.getTruststore();
         if (StringUtils.isAnyBlank(truststoreConfiguration.getPath(), truststoreConfiguration.getPassword())) {
-            LOGGER.warn("Truststore Configuration incomplete, skipping");
+            LOGGER.debug("Truststore Configuration incomplete, skipping");
             return null;
         }
 
@@ -85,7 +84,7 @@ public static TrustManagerFactory getTrustManagerFactory(HttpClientProperties.SS
             keyStore.load(is, truststoreConfiguration.getPassword().toCharArray());
             TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
             tmf.init(keyStore);
-            LOGGER.info("Truststore initialized successfully");
+            LOGGER.debug("Truststore initialized successfully");
             return tmf;
         } catch (NoSuchAlgorithmException | KeyStoreException | CertificateException | IOException ex) {
             LOGGER.error("Truststore could not be loaded, skipping", ex);
@@ -100,7 +99,7 @@ public static TrustManagerFactory getTrustManagerFactory(HttpClientProperties.SS
     public static KeyManagerFactory getKeyManagerFactory(HttpClientProperties.SSLConfiguration sslConfiguration) {
         HttpClientProperties.KeystoreConfiguration keystoreConfiguration = sslConfiguration.getKeystore();
         if (StringUtils.isAnyBlank(keystoreConfiguration.getPath(), keystoreConfiguration.getPassword())) {
-            LOGGER.warn("Keystore Configuration incomplete, skipping");
+            LOGGER.debug("Keystore Configuration incomplete, skipping");
             return null;
         }
         try (FileInputStream is = new FileInputStream(ResourceUtils.getFile(keystoreConfiguration.getPath()))) {
@@ -109,7 +108,7 @@ public static KeyManagerFactory getKeyManagerFactory(HttpClientProperties.SSLCon
 
             KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
             kmf.init(keyStore, keystoreConfiguration.getPassword().toCharArray());
-            LOGGER.info("Keystore initialized successfully");
+            LOGGER.debug("Keystore initialized successfully");
             return kmf;
         } catch (KeyStoreException | NoSuchAlgorithmException | CertificateException | IOException | UnrecoverableKeyException ex) {
             LOGGER.error("Keystore could not be loaded, skipping", ex);
@@ -129,13 +128,13 @@ public static KeyStore getTrustStore(HttpClientProperties.SSLConfiguration sslCo
 
     private static KeyStore getStore(String path, String password, String type) {
         if (StringUtils.isAnyBlank(path, password)) {
-            LOGGER.warn("Keystore Configuration incomplete, skipping");
+            LOGGER.debug("Keystore Configuration incomplete, skipping");
             return null;
         }
         try (FileInputStream is = new FileInputStream(ResourceUtils.getFile(path))) {
             KeyStore keyStore = KeyStore.getInstance(type);
             keyStore.load(is, password.toCharArray());
-            LOGGER.info("Keystore initialized successfully");
+            LOGGER.debug("Keystore initialized successfully");
             return keyStore;
         } catch (KeyStoreException | NoSuchAlgorithmException | CertificateException | IOException ex) {
             LOGGER.error("Keystore could not be loaded, skipping", ex);
diff --git a/tosan-httpclient-spring-boot-starter/src/main/java/com/tosan/client/http/starter/impl/feign/CustomErrorDecoder.java b/tosan-httpclient-spring-boot-starter/src/main/java/com/tosan/client/http/starter/impl/feign/CustomErrorDecoder.java
index a8ac137..796c0f5 100644
--- a/tosan-httpclient-spring-boot-starter/src/main/java/com/tosan/client/http/starter/impl/feign/CustomErrorDecoder.java
+++ b/tosan-httpclient-spring-boot-starter/src/main/java/com/tosan/client/http/starter/impl/feign/CustomErrorDecoder.java
@@ -48,14 +48,14 @@ public Exception decode(String methodKey, Response response) {
             StreamUtils.copy(body.asInputStream(), output);
             String responseBody = output.toString();
             int status = response.status();
-            LOGGER.info("ServerErrorResponse :\n ResponseStatus:{}\n ResponseBody:{}", status,
-                    responseBody);
+            LOGGER.info("ServerErrorResponse :\n ResponseStatus:{}\n ResponseBody:{}", status, responseBody);
             Map<String, Class<? extends Exception>> exceptionMap = customErrorDecoderConfig.getExceptionMap();
             if (status >= 400 && status < 500) {
                 return extractBadRequestErrorException(responseBody, exceptionMap);
             }
             return extractInternalServerErrorException(responseBody, status, exceptionMap);
         } catch (Exception e) {
+            LOGGER.error("ServerInternalRuntimeException", e);
             return extractCustomErrorDecoderException(e);
         }
     }
@@ -77,7 +77,6 @@ protected Exception extractBadRequestErrorException(String responseBody,
     }
 
     protected Exception extractCustomErrorDecoderException(Exception e) {
-        LOGGER.warn("ServerInternalRuntimeException", e);
         InternalServerException internalServerException = new InternalServerException("Internal error", e);
         internalServerException.setErrorType("customErrorDecoder");
         internalServerException.setErrorCode(e.getClass().getSimpleName());
@@ -108,7 +107,6 @@ protected Exception extractInternalServerErrorException(String responseBody, int
     @Override
     public void afterPropertiesSet() {
         ExceptionExtractType exceptionExtractType;
-
         if (customErrorDecoderConfig != null) {
             if (customErrorDecoderConfig.getObjectMapper() != null) {
                 objectMapper = customErrorDecoderConfig.getObjectMapper();
@@ -141,11 +139,11 @@ public void afterPropertiesSet() {
         }
     }
 
-    protected  <T> T jsonToObject(String string, Class<T> type) {
+    protected <T> T jsonToObject(String string, Class<T> type) {
         try {
             return objectMapper.readValue(string, type);
         } catch (Exception e) {
-            throw new JsonConvertException("error in converting Json to object");
+            throw new JsonConvertException("error in converting Json to object", e);
         }
     }
 
@@ -168,8 +166,7 @@ private void extractAndFillMap(Class<? extends Exception> type) {
                 exceptionMap.put(exceptionKey, type);
             } catch (IllegalAccessException | NoSuchMethodException | InstantiationException |
                      InvocationTargetException e) {
-                LOGGER.warn("error on construction of {}.", type.getSimpleName());
-                LOGGER.warn("Exception:", e);
+                LOGGER.error("error on construction of " + type.getSimpleName(), e);
             }
         } else if (exceptionExtractType.equals(ExceptionExtractType.FULL_NAME_REFLECTION)) {
             exceptionMap.put(type.getName(), type);