Fix NPE in cmdTopics (apache#13450)

eugene-cheverda · Dec 23, 2021 · 76f3566 · 76f3566
1 parent 37e6021
commit 76f3566
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdTopics.java b/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdTopics.java
@@ -638,6 +638,10 @@ private class GetInternalInfo extends CliCommand {
         void run() throws PulsarAdminException {
             String topic = validateTopicName(params);
             String internalInfo = getTopics().getInternalInfo(topic);
+            if (internalInfo == null) {
+                System.out.println("Did not find any internal metadata info");
+                return;
+            }
             JsonObject result = JsonParser.parseString(internalInfo).getAsJsonObject();
             Gson gson = new GsonBuilder().setPrettyPrinting().create();
             System.out.println(gson.toJson(result));