Set a more descriptive exception message

Author: inigo-cobian

adapters/klab.ogc/src/main/java/org/integratedmodelling/klab/stac/STACEncoder.java

@@ -304,8 +304,8 @@ public void getEncodedData(IResource resource, Map<String, String> urnParameters
         try {
             manager.open();
             collection = manager.getCollectionById(resource.getParameters().get("collectionId", String.class));
-        } catch (Exception e1) {
-            throw new KlabResourceAccessException("Cannot access to STAC collection " + collectionUrl);
+        } catch (Exception e) {
+            throw new KlabResourceAccessException("Cannot access to STAC collection " + collectionUrl + ". Reason :" + e.getMessage());
         }
 
         if (collection == null) {