diff --git a/sdi-plugins/src/main/java/org/gcube/application/cms/sdi/plugins/SDIMaterializerPlugin.java b/sdi-plugins/src/main/java/org/gcube/application/cms/sdi/plugins/SDIMaterializerPlugin.java
index 093b64f..1350c19 100644
--- a/sdi-plugins/src/main/java/org/gcube/application/cms/sdi/plugins/SDIMaterializerPlugin.java
+++ b/sdi-plugins/src/main/java/org/gcube/application/cms/sdi/plugins/SDIMaterializerPlugin.java
@@ -132,7 +132,7 @@ public class SDIMaterializerPlugin extends AbstractPlugin implements Materializa
      */
     @Override
     public MaterializationReport materialize(MaterializationRequest request) throws MaterializationException, InvalidPluginRequestException {
-        log.info("Serving Materialize {} : request CallParameters {}, request Context {}: ",this.getDescriptor().getId(), request.getCallParameters(), request.getContext());
+        log.info("Serving Materialize {} : request CallParameters {}, request Context {}",this.getDescriptor().getId(), request.getCallParameters(), request.getContext());
         log.debug("Materialize request {}",request);
         Project project =request.getDocument();
         UseCaseDescriptor useCaseDescriptor = request.getUseCaseDescriptor();
@@ -178,6 +178,7 @@ public class SDIMaterializerPlugin extends AbstractPlugin implements Materializa
                     requestArguments.put("workspace",ws);
 
                     // Actually materializing
+                    log.info("Calling materializeLayer: fs {} - requestArguments {}", fs, requestArguments);
                     RegisteredFileSet obtained = getSDIManager().materializeLayer(fs,requestArguments);
                     log.debug("Obtained {} ",obtained);
                     documentNavigator.setElement("$..[?(@."+ RegisteredFileSet.UUID+" == '"+fs.getUUID()+"')]",obtained);
@@ -193,7 +194,7 @@ public class SDIMaterializerPlugin extends AbstractPlugin implements Materializa
             report.setStatus(Report.Status.ERROR);
             report.putMessage(e.getMessage());
         }catch (Throwable t){
-            log.error("Unable to materialize "+request,t);
+            log.error("Exception, Unable to materialize "+request,t);
             report.setStatus(Report.Status.ERROR);
             report.putMessage(t.getMessage());
         }finally{