Fixed code due to APIs changes in service

src/main/java/org/gcube/informationsystem/resourceregistry/contexts/ContextCreator.java

@@ -9,6 +9,7 @@ import org.gcube.common.scope.impl.ScopeBean;
 import org.gcube.context.ContextElaborator;
 import org.gcube.informationsystem.context.impl.entities.ContextImpl;
 import org.gcube.informationsystem.context.reference.entities.Context;
+import org.gcube.informationsystem.resourceregistry.api.contexts.ContextCache;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.context.ContextException;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.context.ContextNotFoundException;
@@ -45,7 +46,7 @@ public class ContextCreator extends ContextElaborator {
 			try {
 				UUID uuid = contexts.get(scopeBean.toString());
 				if(uuid==null) {
-					uuid = ContextUtility.getInstance().getContextUUIDFromFullName(scopeBean.toString());
+					uuid = ContextCache.getInstance().getUUIDByFullName(scopeBean.toString());
 					if(uuid!=null) {
 						contexts.put(scopeBean.toString(), uuid);
 					}