diff --git a/biosdk-services/src/main/java/io/mosip/biosdk/services/constants/AppConstants.java b/biosdk-services/src/main/java/io/mosip/biosdk/services/constants/AppConstants.java
index 27c2af5..67b8779 100644
--- a/biosdk-services/src/main/java/io/mosip/biosdk/services/constants/AppConstants.java
+++ b/biosdk-services/src/main/java/io/mosip/biosdk/services/constants/AppConstants.java
@@ -1,6 +1,10 @@
 package io.mosip.biosdk.services.constants;
 
 public class AppConstants {
-    public static final String LOGGER_SESSIONID = "BIO-SDK-PROVIDER";
-    public static final String LOGGER_IDTYPE = "REGISTRATION / AUTH";
-}
+	private AppConstants() {
+		throw new IllegalStateException("AppConstants class");
+	}
+
+	public static final String LOGGER_SESSIONID = "BIO-SDK-PROVIDER";
+	public static final String LOGGER_IDTYPE = "REGISTRATION / AUTH";
+}
\ No newline at end of file
diff --git a/biosdk-services/src/main/java/io/mosip/biosdk/services/impl/spec_1_0/BioSdkServiceProviderImpl_V_1_0.java b/biosdk-services/src/main/java/io/mosip/biosdk/services/impl/spec_1_0/BioSdkServiceProviderImpl_V_1_0.java
index 48e6902..69a7c77 100644
--- a/biosdk-services/src/main/java/io/mosip/biosdk/services/impl/spec_1_0/BioSdkServiceProviderImpl_V_1_0.java
+++ b/biosdk-services/src/main/java/io/mosip/biosdk/services/impl/spec_1_0/BioSdkServiceProviderImpl_V_1_0.java
@@ -29,14 +29,15 @@
 import io.mosip.kernel.core.logger.spi.Logger;
 
 @Component
-public class BioSdkServiceProviderImpl_V_1_0 implements BioSdkServiceProvider {
+public class BioSdkServiceProviderImpl_V_1_0 // NOSONAR
+		implements BioSdkServiceProvider {
 
 	private Logger logger = LoggerConfig.logConfig(BioSdkServiceProviderImpl_V_1_0.class);
 
 	private static final String BIOSDK_SERVICE_SPEC_VERSION = "1.0";
 	private static final String INIT = "init";
 	private static final String CHECK_QUALITY = "checkQuality";
-	private static final String EXTRACT_TEMPLATE = "extractTemplate";	
+	private static final String EXTRACT_TEMPLATE = "extractTemplate";
 	private static final String MATCH = "match";
 	private static final String SEGMENT = "segment";
 	private static final String CONVERT_FORMAT = "convertFormat";
@@ -57,7 +58,7 @@ public BioSdkServiceProviderImpl_V_1_0(IBioApiV2 iBioApi, Utils utils) {
 		this.utils = utils;
 		gson = new GsonBuilder().serializeNulls().create();
 	}
-	
+
 	@Override
 	public String getSpecVersion() {
 		return BIOSDK_SERVICE_SPEC_VERSION;
@@ -188,7 +189,8 @@ public Object convertFormat(RequestDto request) {
 
 	private void logRequest(ExtractTemplateRequestDto extractTemplateRequestDto) {
 		if (isLogRequestResponse) {
-			logger.debug(LOGGER_SESSIONID, LOGGER_IDTYPE, "REQUEST::ExtractTemplateRequestDto", utils.toString(extractTemplateRequestDto));
+			logger.debug(LOGGER_SESSIONID, LOGGER_IDTYPE, "REQUEST::ExtractTemplateRequestDto",
+					utils.toString(extractTemplateRequestDto));
 		}
 	}
 
@@ -206,19 +208,22 @@ private void logRequest(InitRequestDto initRequestDto) {
 
 	private void logRequest(CheckQualityRequestDto checkQualityRequestDto) {
 		if (isLogRequestResponse) {
-			logger.debug(LOGGER_SESSIONID, LOGGER_IDTYPE, "REQUEST:: CheckQualityRequestDto", utils.toString(checkQualityRequestDto));
+			logger.debug(LOGGER_SESSIONID, LOGGER_IDTYPE, "REQUEST:: CheckQualityRequestDto",
+					utils.toString(checkQualityRequestDto));
 		}
 	}
 
 	private void logRequest(SegmentRequestDto segmentRequestDto) {
 		if (isLogRequestResponse) {
-			logger.debug(LOGGER_SESSIONID, LOGGER_IDTYPE, "REQUEST:: SegmentRequestDto", utils.toString(segmentRequestDto));
+			logger.debug(LOGGER_SESSIONID, LOGGER_IDTYPE, "REQUEST:: SegmentRequestDto",
+					utils.toString(segmentRequestDto));
 		}
 	}
 
 	private void logRequest(ConvertFormatRequestDto convertFormatRequestDto) {
 		if (isLogRequestResponse) {
-			logger.debug(LOGGER_SESSIONID, LOGGER_IDTYPE, "REQUEST:: ConvertFormatRequestDto", utils.toString(convertFormatRequestDto));
+			logger.debug(LOGGER_SESSIONID, LOGGER_IDTYPE, "REQUEST:: ConvertFormatRequestDto",
+					utils.toString(convertFormatRequestDto));
 		}
 	}
 
diff --git a/biosdk-services/src/main/java/io/mosip/biosdk/services/utils/ErrorCode.java b/biosdk-services/src/main/java/io/mosip/biosdk/services/utils/ErrorCode.java
index 53e8f91..c705435 100644
--- a/biosdk-services/src/main/java/io/mosip/biosdk/services/utils/ErrorCode.java
+++ b/biosdk-services/src/main/java/io/mosip/biosdk/services/utils/ErrorCode.java
@@ -4,7 +4,7 @@ public enum ErrorCode {
 
 	NO_PROVIDERS("BIO_SDK_001", "No Bio SDK service provider implementations found for given version");
 
-	private String errorCode;
+	private String errorCode; // NOSONAR
 	private String errorMessage;
 
 	ErrorCode(String errorCode, String errorMessage) {