diff --git a/src/main/java/org/gcube/gcat/persistence/ckan/CKAN.java b/src/main/java/org/gcube/gcat/persistence/ckan/CKAN.java
index 53da22b..f19b274 100644
--- a/src/main/java/org/gcube/gcat/persistence/ckan/CKAN.java
+++ b/src/main/java/org/gcube/gcat/persistence/ckan/CKAN.java
@@ -1,6 +1,7 @@
 package org.gcube.gcat.persistence.ckan;
 
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.UnsupportedEncodingException;
 import java.net.HttpURLConnection;
 import java.util.HashMap;
@@ -12,18 +13,18 @@ import javax.ws.rs.InternalServerErrorException;
 import javax.ws.rs.NotFoundException;
 import javax.ws.rs.WebApplicationException;
 import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.Response.Status;
 import javax.ws.rs.core.UriInfo;
 
-import org.gcube.common.gxhttp.request.GXHTTPStringRequest;
-import org.gcube.gcat.utils.HTTPUtility;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import org.gcube.com.fasterxml.jackson.core.JsonProcessingException;
 import org.gcube.com.fasterxml.jackson.databind.JsonNode;
 import org.gcube.com.fasterxml.jackson.databind.ObjectMapper;
 import org.gcube.com.fasterxml.jackson.databind.node.NullNode;
 import org.gcube.com.fasterxml.jackson.databind.node.ObjectNode;
+import org.gcube.common.gxhttp.request.GXHTTPStringRequest;
+import org.gcube.gcat.utils.HTTPUtility;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
@@ -128,6 +129,7 @@ public abstract class CKAN {
 			throw new BadRequestException(e);
 		}
 	}
+
 	
 	/**
 	 * Validate the CKAN response and return the 
@@ -241,8 +243,31 @@ public abstract class CKAN {
 		return gxhttpStringRequest;
 	}
 	
+	protected String getResultAsString(HttpURLConnection httpURLConnection) throws IOException {
+		int responseCode = httpURLConnection.getResponseCode();
+		if(responseCode >= Status.BAD_REQUEST.getStatusCode()) {
+			Status status = Status.fromStatusCode(responseCode);
+			InputStream inputStream = httpURLConnection.getErrorStream();
+			StringBuilder result = HTTPUtility.getStringBuilder(inputStream);
+			logger.trace(result.toString());
+			try {
+				JsonNode jsonNode = getAsJsonNode(result.toString());
+				JsonNode error = jsonNode.get(ERROR_KEY);
+				throw new WebApplicationException(getAsString(error), status);
+			}catch (WebApplicationException e) {
+				throw e;
+			}catch (Exception e) {
+				throw new WebApplicationException(result.toString(), status);
+			}
+		}
+		InputStream inputStream = httpURLConnection.getInputStream();
+		String ret = HTTPUtility.getStringBuilder(inputStream).toString();
+		logger.trace("Got Respose is {}", ret);
+		return ret;
+	}
+	
 	protected String getResultAndValidate(HttpURLConnection httpURLConnection) throws IOException {
-		String ret = HTTPUtility.getResultAsString(httpURLConnection);
+		String ret = getResultAsString(httpURLConnection);
 		logger.trace("Got Respose is {}", ret);
 		result = validateCKANResponse(ret);
 		if(result instanceof NullNode) {