diff --git a/src/main/java/org/gcube/gcat/rest/REST.java b/src/main/java/org/gcube/gcat/rest/REST.java
index bd11ec5..e7c5149 100644
--- a/src/main/java/org/gcube/gcat/rest/REST.java
+++ b/src/main/java/org/gcube/gcat/rest/REST.java
@@ -1,6 +1,7 @@
 package org.gcube.gcat.rest;
 
 import javax.ws.rs.InternalServerErrorException;
+import javax.ws.rs.WebApplicationException;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.Response.ResponseBuilder;
 import javax.ws.rs.core.Response.Status;
@@ -29,8 +30,10 @@ public class REST<C extends CKAN> extends BaseREST implements CRUD<Response,Resp
 			C ckan = reference.newInstance();
 			ckan.setUriInfo(uriInfo);
 			return ckan;
+		} catch (WebApplicationException e) {
+			throw e;
 		} catch(Exception e) {
-			throw new InternalServerErrorException();
+			throw new InternalServerErrorException(e);
 		}
 	}