commit 8c553eb3170163b85612e6fb01aa5de7ac08c074
author Jian Li <pyguni@gmail.com> Thu Mar 04 18:48:39 2021 +0900
committer Jian Li <pyguni@gmail.com> Thu Mar 04 10:30:36 2021 +0000
tree a6e5dbd41a6e0a915a6cf455a992f7ea0016ac54
parent b636f7046f091b4d426f3718e88d508133cd1c9a

Fix: resolve a NPE caused by empty name list input in kubevirt CLI

Change-Id: I1df88be7d456ab341a6620f0a0c77354dd1589a5

apps/kubevirt-node/app/src/main/java/org/onosproject/kubevirtnode/cli/KubevirtShowNodeCommand.java

diff --git a/apps/kubevirt-node/app/src/main/java/org/onosproject/kubevirtnode/cli/KubevirtShowNodeCommand.java b/apps/kubevirt-node/app/src/main/java/org/onosproject/kubevirtnode/cli/KubevirtShowNodeCommand.java
index 00699a0..5884b8d 100644
--- a/apps/kubevirt-node/app/src/main/java/org/onosproject/kubevirtnode/cli/KubevirtShowNodeCommand.java
+++ b/apps/kubevirt-node/app/src/main/java/org/onosproject/kubevirtnode/cli/KubevirtShowNodeCommand.java
@@ -46,6 +46,11 @@
     protected void doExecute() throws Exception {
         KubevirtNodeService service = get(KubevirtNodeService.class);
 
+        if (names == null || names.size() == 0) {
+            print("Need to specify at least one node name using --name option.");
+            return;
+        }
+
         for (String name : names) {
             KubevirtNode node = service.node(name);
             if (node == null) {