From b1c80e79894e7ef08ade9680f0f532ae591c450c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=B2=20Boschi?= <boschi1997@gmail.com>
Date: Mon, 18 Oct 2021 10:11:30 +0200
Subject: [PATCH] [function] fix update user config (#10731)

Fixes #10720

fix update user config

(cherry picked from commit 791c0ac5b4ac23f31c37adf7d26eb87998ccd0ef)
---
 .../main/java/org/apache/pulsar/admin/cli/CmdFunctions.java | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdFunctions.java b/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdFunctions.java
index 8df1fe40f6da3..26aec7ccab78a 100644
--- a/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdFunctions.java
+++ b/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdFunctions.java
@@ -448,11 +448,11 @@ void processArguments() throws Exception {
             if (null != userConfigString) {
                 Type type = new TypeToken<Map<String, String>>() {}.getType();
                 Map<String, Object> userConfigMap = new Gson().fromJson(userConfigString, type);
+                if (userConfigMap == null) {
+                    userConfigMap = new HashMap<>();
+                }
                 functionConfig.setUserConfig(userConfigMap);
             }
-            if (functionConfig.getUserConfig() == null) {
-                functionConfig.setUserConfig(new HashMap<>());
-            }
 
             if (parallelism != null) {
                 functionConfig.setParallelism(parallelism);