From 559251fe2fc9f748d9fc66560b28673db036a88d Mon Sep 17 00:00:00 2001
From: "luca.frosini" <luca.frosini@isti.cnr.it>
Date: Mon, 21 May 2018 13:56:52 +0000
Subject: [PATCH] Code redesign

Refs #11756: Refactor DataHArvesterPlugin to support scheduled execution from smart-executor

Task-Url: https://support.d4science.org/issues/11756

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/accounting/accounting-dashboard-harvester-se-plugin@167645 82a268e6-3cf1-43bd-a215-b396298e98cf
---
 .../harvester/sobigdata/SoBigDataHarvester.java            | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/gcube/dataharvest/harvester/sobigdata/SoBigDataHarvester.java b/src/main/java/org/gcube/dataharvest/harvester/sobigdata/SoBigDataHarvester.java
index 4a3baf9..63ce27e 100644
--- a/src/main/java/org/gcube/dataharvest/harvester/sobigdata/SoBigDataHarvester.java
+++ b/src/main/java/org/gcube/dataharvest/harvester/sobigdata/SoBigDataHarvester.java
@@ -94,8 +94,11 @@ public abstract class SoBigDataHarvester extends BasicHarvester {
 		
 		for(int i=1; i<contexts.getLength()-1; i++){
 			Node context = contexts.item(i);
-			String contextToExclude = context.getChildNodes().item(0).getNodeValue(); 
-			excludedContexts.add(contextToExclude);
+			NodeList nList = context.getChildNodes();
+			if(nList.item(0)!=null) {
+				String contextToExclude = nList.item(0).getNodeValue(); 
+				excludedContexts.add(contextToExclude);
+			}
 		}
 		
 		return excludedContexts;