From 83f8ed8634fe9c27ef09ce6deb3742586a2138a2 Mon Sep 17 00:00:00 2001
From: Noble Paul <noble@apache.org>
Date: Tue, 2 May 2017 17:55:40 +0930
Subject: [PATCH] SOLR-10278: avoid NPE

---
 .../apache/solr/client/solrj/impl/SolrClientDataProvider.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/impl/SolrClientDataProvider.java b/solr/solrj/src/java/org/apache/solr/client/solrj/impl/SolrClientDataProvider.java
index 929563b0158..d283d7b1966 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/impl/SolrClientDataProvider.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/impl/SolrClientDataProvider.java
@@ -22,6 +22,7 @@ import java.io.IOException;
 import java.lang.invoke.MethodHandles;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
@@ -98,7 +99,7 @@ public class SolrClientDataProvider implements ClusterDataProvider {
 
   @Override
   public Map<String, Map<String, List<ReplicaInfo>>> getReplicaInfo(String node, Collection<String> keys) {
-    return data.get(node);//todo fill other details
+    return data.getOrDefault(node, Collections.emptyMap());//todo fill other details
   }
 
   @Override