SONAR-4898 fix NPE on termination of ES

diff --git a/server/sonar-search/src/main/java/org/sonar/search/SearchServer.java b/server/sonar-search/src/main/java/org/sonar/search/SearchServer.java
index dafb21428d9e0fb63d5705d19f1cae9a1051e734..5f38b364103e43d18835b1c2e07b840fb91b16bf 100644 (file)
--- a/server/sonar-search/src/main/java/org/sonar/search/SearchServer.java
+++ b/server/sonar-search/src/main/java/org/sonar/search/SearchServer.java
@@ -167,7 +167,7 @@ public class SearchServer extends MonitoredProcess {
       .get();
 
     if (isBlocking) {
-      while (!node.isClosed()) {
+      while (node != null && !node.isClosed()) {
         try {
           Thread.sleep(100);
         } catch (InterruptedException e) {