From dc07f1079b1b09aecb25a218a69cb594cb0462a6 Mon Sep 17 00:00:00 2001
From: "miriam.baglioni" <miriam.baglioni@isti.cnr.it>
Date: Tue, 8 Jun 2021 12:06:10 +0200
Subject: [PATCH] added check in case the author set to be enriched is null

---
 .../SparkOrcidToResultFromSemRelJob.java                        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/orcidtoresultfromsemrel/SparkOrcidToResultFromSemRelJob.java b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/orcidtoresultfromsemrel/SparkOrcidToResultFromSemRelJob.java
index e90e43a20..436a53cbe 100644
--- a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/orcidtoresultfromsemrel/SparkOrcidToResultFromSemRelJob.java
+++ b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/orcidtoresultfromsemrel/SparkOrcidToResultFromSemRelJob.java
@@ -108,7 +108,7 @@ public class SparkOrcidToResultFromSemRelJob {
 		return value -> {
 			R ret = value._1();
 			Optional<ResultOrcidList> rol = Optional.ofNullable(value._2());
-			if (rol.isPresent()) {
+			if (rol.isPresent() && Optional.ofNullable(ret.getAuthor()).isPresent()) {
 				List<Author> toenrich_author = ret.getAuthor();
 				List<AutoritativeAuthor> autoritativeAuthors = rol.get().getAuthorList();
 				for (Author author : toenrich_author) {