diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b4ca67..dd4dd10 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 ## [v4.3.0-SNAPSHOT]
 
 - Enhanced gcube-bom version
+- Added usage of common-utility to overcome issues with different Smartgears version (i.e. 3 and 4)
 
 
 ## [v4.2.0]
diff --git a/pom.xml b/pom.xml
index eddaddc..c1033cf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,6 +49,10 @@
 			<groupId>org.gcube.common</groupId>
 			<artifactId>gxHTTP</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.gcube.common</groupId>
+			<artifactId>common-utility</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-api</artifactId>
diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherImpl.java b/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherImpl.java
index 73c5b70..39f2dea 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherImpl.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/publisher/ResourceRegistryPublisherImpl.java
@@ -9,6 +9,7 @@ import java.util.UUID;
 
 import org.gcube.common.gxhttp.reference.GXConnection;
 import org.gcube.common.gxhttp.request.GXHTTPStringRequest;
+import org.gcube.common.http.GXHTTPUtility;
 import org.gcube.informationsystem.contexts.reference.entities.Context;
 import org.gcube.informationsystem.model.impl.properties.HeaderImpl;
 import org.gcube.informationsystem.model.reference.ERElement;
@@ -41,7 +42,6 @@ import org.gcube.informationsystem.resourceregistry.api.exceptions.types.SchemaV
 import org.gcube.informationsystem.resourceregistry.api.rest.AccessPath;
 import org.gcube.informationsystem.resourceregistry.api.rest.ContextPath;
 import org.gcube.informationsystem.resourceregistry.api.rest.InstancePath;
-import org.gcube.informationsystem.resourceregistry.api.rest.ServiceInstance;
 import org.gcube.informationsystem.resourceregistry.api.rest.SharingPath;
 import org.gcube.informationsystem.resourceregistry.api.rest.SharingPath.SharingOperation;
 import org.gcube.informationsystem.resourceregistry.api.rest.httputils.HTTPUtility;
@@ -132,7 +132,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 	public List<Context> getAllContextFromServer() throws ResourceRegistryException {
 		try {
 			logger.info("Going to read all {}s", Context.NAME);
-			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
+			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPUtility.getGXHTTPStringRequest(address);
 			gxHTTPStringRequest.from(ResourceRegistryPublisher.class.getSimpleName());
 			gxHTTPStringRequest.header("Accept", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
 			gxHTTPStringRequest.path(AccessPath.ACCESS_PATH_PART);
@@ -166,7 +166,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 	protected Context getContextFromServer(String id) throws ContextNotFoundException, ResourceRegistryException {
 		try {
 			logger.info("Going to get current {} ", Context.NAME);
-			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
+			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPUtility.getGXHTTPStringRequest(address);
 			gxHTTPStringRequest.from(ResourceRegistryPublisher.class.getSimpleName());
 			gxHTTPStringRequest.header("Accept", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
 			gxHTTPStringRequest.path(AccessPath.ACCESS_PATH_PART);
@@ -213,7 +213,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 
 	@Override
 	public Context getCurrentContext() throws ContextNotFoundException, ResourceRegistryException {
-		String contextFullName = ServiceInstance.getCurrentContextFullName();
+		String contextFullName = org.gcube.common.context.ContextUtility.getCurrentContextFullName();
 		ContextCache contextCache = ContextCache.getInstance();
 		UUID uuid = contextCache.getUUIDByFullName(contextFullName);
 		Context context = null;
@@ -256,7 +256,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 	public String list(String type, Boolean polymorphic) throws ResourceRegistryException {
 		try {
 			logger.info("Going to get all instances of {} ", type);
-			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address); 
+			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPUtility.getGXHTTPStringRequest(address);
 			gxHTTPStringRequest.from(ResourceRegistryPublisher.class.getSimpleName());
 			gxHTTPStringRequest.header("Accept", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
 			gxHTTPStringRequest.path(AccessPath.INSTANCES_PATH_PART);
@@ -285,7 +285,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 			throws SchemaViolationException, AlreadyPresentException, ResourceRegistryException {
 		try {
 			logger.trace("Going to create {} : {}", type, json);
-			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
+			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPUtility.getGXHTTPStringRequest(address);
 			gxHTTPStringRequest.from(ResourceRegistryPublisher.class.getSimpleName());
 			gxHTTPStringRequest.header("Accept", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
 			gxHTTPStringRequest.header("Content-type", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
@@ -382,7 +382,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 			throws AvailableInAnotherContextException, ResourceRegistryException {
 		try {
 			logger.info("Going to check if {} with UUID {} exists", type, uuid);
-			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
+			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPUtility.getGXHTTPStringRequest(address);
 			gxHTTPStringRequest.from(ResourceRegistryPublisher.class.getSimpleName());
 			gxHTTPStringRequest.header("Accept", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
 			gxHTTPStringRequest.path(AccessPath.ACCESS_PATH_PART);
@@ -447,7 +447,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 			throws NotFoundException, AvailableInAnotherContextException, ResourceRegistryException {
 		try {
 			logger.trace("Going to read {} with UUID {}", type, uuid);
-			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
+			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPUtility.getGXHTTPStringRequest(address);
 			gxHTTPStringRequest.from(ResourceRegistryPublisher.class.getSimpleName());
 			gxHTTPStringRequest.header("Accept", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
 			gxHTTPStringRequest.path(InstancePath.INSTANCES_PATH_PART);
@@ -527,7 +527,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 			throws SchemaViolationException, NotFoundException, ResourceRegistryException {
 		try {
 			logger.trace("Going to create {} : {}", type, json);
-			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
+			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPUtility.getGXHTTPStringRequest(address);
 			gxHTTPStringRequest.from(ResourceRegistryPublisher.class.getSimpleName());
 			gxHTTPStringRequest.header("Accept", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
 			gxHTTPStringRequest.header("Content-type", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
@@ -573,7 +573,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 			throws SchemaViolationException, NotFoundException, ResourceRegistryException {
 		try {
 			logger.trace("Going to delete {} with UUID {}", type, uuid);
-			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
+			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPUtility.getGXHTTPStringRequest(address);
 			gxHTTPStringRequest.from(ResourceRegistryPublisher.class.getSimpleName());
 			gxHTTPStringRequest.header("Accept", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
 			gxHTTPStringRequest.path(InstancePath.INSTANCES_PATH_PART);
@@ -796,7 +796,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 		try {
 			logger.trace("Going to add {} with UUID {} to {} with UUID {} ", type, instanceUUID, Context.NAME,
 					contextUUID);
-			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
+			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPUtility.getGXHTTPStringRequest(address);
 			gxHTTPStringRequest.from(ResourceRegistryPublisher.class.getSimpleName());
 			gxHTTPStringRequest.path(SharingPath.SHARING_PATH_PART);
 			gxHTTPStringRequest.path(SharingPath.CONTEXTS_PATH_PART);
@@ -867,7 +867,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 		try {
 			logger.trace("Going to add {} with UUID {} to {} with UUID {} ", type, instanceUUID, Context.NAME,
 					contextUUID);
-			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
+			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPUtility.getGXHTTPStringRequest(address);
 			gxHTTPStringRequest.from(ResourceRegistryPublisher.class.getSimpleName());
 			gxHTTPStringRequest.path(SharingPath.SHARING_PATH_PART);
 			gxHTTPStringRequest.path(SharingPath.CONTEXTS_PATH_PART);
@@ -936,7 +936,7 @@ public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher
 			throws NotFoundException, ResourceRegistryException {
 		try {
 			logger.trace("Going to get contexts of {} with UUID {}", type, instanceUUID);
-			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
+			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPUtility.getGXHTTPStringRequest(address);
 			gxHTTPStringRequest.from(ResourceRegistryPublisher.class.getSimpleName());
 			gxHTTPStringRequest.path(InstancePath.INSTANCES_PATH_PART);
 			gxHTTPStringRequest.path(type);