diff --git a/src/main/java/org/gcube/dataanalysis/geo/algorithms/RasterDataPublisher.java b/src/main/java/org/gcube/dataanalysis/geo/algorithms/RasterDataPublisher.java
index 06c457b..bcfdc08 100644
--- a/src/main/java/org/gcube/dataanalysis/geo/algorithms/RasterDataPublisher.java
+++ b/src/main/java/org/gcube/dataanalysis/geo/algorithms/RasterDataPublisher.java
@@ -70,8 +70,8 @@ public class RasterDataPublisher extends StandardLocalExternalAlgorithm{
 		AnalysisLogger.getLogger().debug("resolution: "+resolution);
 		
 	
-      if (!(fileName.endsWith(".nc")||fileName.endsWith(".tiff")||fileName.endsWith(".geotiff")||fileName.endsWith(".asc")))
-			throw new Exception("Wrong file name: allowed files extensions are .nc, .tiff, .geotiff, .asc");
+      if (!(fileName.endsWith(".nc")||fileName.endsWith(".tiff")||fileName.endsWith(".geotiff")||fileName.endsWith(".asc")||fileName.endsWith(".ncml")))
+			throw new Exception("Wrong file name: allowed files extensions are .nc, .tiff, .geotiff, .asc, .ncml");
 				
 		File f = new File(fileAbsolutePath); 
 		File newf = new File(f.getParent(),fileName);
diff --git a/src/main/java/org/gcube/dataanalysis/geo/utils/ThreddsPublisher.java b/src/main/java/org/gcube/dataanalysis/geo/utils/ThreddsPublisher.java
index 00cd097..b372bcb 100644
--- a/src/main/java/org/gcube/dataanalysis/geo/utils/ThreddsPublisher.java
+++ b/src/main/java/org/gcube/dataanalysis/geo/utils/ThreddsPublisher.java
@@ -73,20 +73,26 @@ public class ThreddsPublisher {
 			
 			if (!found)
 				throw new Exception("Thredds data transfer has not been found in the same scope of the catalog: "+scope);
-			
+			boolean gridded=true;
 			if (fileAbsolutePath.endsWith(".nc")){
 				AnalysisLogger.getLogger().debug("checking NetCDF file coherence"+fileAbsolutePath);
-				NetCDFDataExplorer.getGrid(layerName, fileAbsolutePath);
+				//let's publish also if the netCDF is not gridded
+				try{
+					NetCDFDataExplorer.getGrid(layerName, fileAbsolutePath);
+				}catch(Exception e){
+					gridded=false;
+					AnalysisLogger.getLogger().debug("NetCDF is not gridded"+fileAbsolutePath);
+				}
 			}
 			AnalysisLogger.getLogger().debug("Transferring via DT to "+threddServiceAddress);
 			DataTransferer.transferFileToService(scope, username, threddsDTService, threddsDTPort, fileAbsolutePath, remoteFolder);
 			
 			AnalysisLogger.getLogger().debug("Adding metadata on GeoNetwork");
 			
-			if (fileAbsolutePath.endsWith(".nc"))
+			if (fileAbsolutePath.endsWith(".nc") && gridded)
 				publishNetCDFMeta(scope, layerTitle, abstractField, new File(fileAbsolutePath).getName(),layerName,threddServiceAddress,username,topics);
 			else{
-				if (resolution==-1)
+				if (resolution==-1 && gridded)
 					throw new Exception ("Specify valid resolution parameter for non-NetCDF raster datasets");
 				publishOtherFileMeta(scope, layerTitle, resolution, abstractField, new File(fileAbsolutePath).getName(), threddServiceAddress,username,topics);
 			}