Fix a potential NPE in DataStreamAlias#toString() (#78399) (#78461)

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
elastic · Oct 7, 2021 · ac76063 · ac76063
1 parent ad9b09a
commit ac76063
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/server/src/main/java/org/elasticsearch/cluster/metadata/DataStreamAlias.java b/server/src/main/java/org/elasticsearch/cluster/metadata/DataStreamAlias.java
@@ -332,7 +332,7 @@ public String toString() {
             "name='" + name + '\'' +
             ", dataStreams=" + dataStreams +
             ", writeDataStream='" + writeDataStream + '\'' +
-            ", filter=" + filter.string() +
+            ", filter=" + (filter != null ? filter.string() : "null") +
             '}';
     }
 }