Fix #4284 NPE for getZone (#4289)

googleapis · Jan 4, 2019 · ca7054e · ca7054e
1 parent 6d56b8c
commit ca7054e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/google-cloud-clients/google-cloud-core/src/main/java/com/google/cloud/MetadataConfig.java b/google-cloud-clients/google-cloud-core/src/main/java/com/google/cloud/MetadataConfig.java
@@ -43,7 +43,7 @@ public static String getProjectId() {
 
   public static String getZone() {
     String zoneId = getAttribute("instance/zone");
-    if (zoneId.contains("/")) {
+    if (zoneId != null && zoneId.contains("/")) {
       return zoneId.substring(zoneId.lastIndexOf('/') + 1);
     }
     return zoneId;