[GitHub] [pulsar] jerrypeng commented on a change in pull request #4093: [issue#4042] improve java functions API

[GitBox <gi...@apache.org>]

jerrypeng commented on a change in pull request #4093: [issue#4042] improve java functions API
URL: https://github.com/apache/pulsar/pull/4093#discussion_r280524325
 
 

 ##########
 File path: pulsar-functions/java-examples/src/main/java/org/apache/pulsar/functions/api/examples/PublishFunction.java
 ##########
 @@ -30,7 +32,12 @@
     public Void process(String input, Context context) {
         String publishTopic = (String) context.getUserConfigValueOrDefault("publish-topic", "publishtopic");
         String output = String.format("%s!", input);
-        context.publish(publishTopic, output);
+        try {
+            TypedMessageBuilder<String> msgBuilder = context.newOutputMessage(publishTopic, null);
+            msgBuilder.value(output).sendAsync();
+        } catch (PulsarClientException e) {
+            e.printStackTrace();
 
 Review comment:
   @wolfstudy can you replace this with context.getLogger().error(e)

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