[inlong] branch master updated: [INLONG-8434][Manager] Fix error converting null to string when converting JSON string (#8435)

[dockerzhang]

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The following commit(s) were added to refs/heads/master by this push:
     new 4afac0c768 [INLONG-8434][Manager] Fix error converting null to string 
when converting JSON string (#8435)
4afac0c768 is described below

commit 4afac0c7689fdce853769ae44b9f1945abe78e8c
Author: fuweng11 <76141879+fuwen...@users.noreply.github.com>
AuthorDate: Wed Jul 5 20:06:11 2023 +0800

    [INLONG-8434][Manager] Fix error converting null to string when converting 
JSON string (#8435)
---
 .../inlong/manager/service/repository/DataProxyConfigRepository.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/inlong-manager/manager-service/src/main/java/org/apache/inlong/manager/service/repository/DataProxyConfigRepository.java
 
b/inlong-manager/manager-service/src/main/java/org/apache/inlong/manager/service/repository/DataProxyConfigRepository.java
index b5dc9fabf0..de793b63bd 100644
--- 
a/inlong-manager/manager-service/src/main/java/org/apache/inlong/manager/service/repository/DataProxyConfigRepository.java
+++ 
b/inlong-manager/manager-service/src/main/java/org/apache/inlong/manager/service/repository/DataProxyConfigRepository.java
@@ -320,7 +320,7 @@ public class DataProxyConfigRepository implements 
IRepository {
                 JsonElement child = obj.get(key);
                 if (child.isJsonPrimitive()) {
                     mapObj.put(key, child.getAsString());
-                } else {
+                } else if (!child.isJsonNull()) {
                     mapObj.put(key, child.toString());
                 }
             }