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in repository https://gitbox.apache.org/repos/asf/doris.git


The following commit(s) were added to refs/heads/branch-4.0 by this push:
     new 2ded0048952 [fix](fe) add compatible code for LocalTablet and 
LocalReplica (#59771)
2ded0048952 is described below

commit 2ded00489527268e7cfa2faaaa1822c89429b885
Author: meiyi <[email protected]>
AuthorDate: Tue Jan 13 09:25:31 2026 +0800

    [fix](fe) add compatible code for LocalTablet and LocalReplica (#59771)
    
    ### What problem does this PR solve?
    
    https://github.com/apache/doris/pull/59327 introduces `LocalTablet`,
    https://github.com/apache/doris/pull/59460 introduces `LocalReplica`.
    These 2 pr will merge into 4.1.
    This pr add compatible code for LocalTablet and LocalReplica to make 4.1
    can downgrade to 4.0.
    
    Issue Number: close #xxx
    
    Related PR: #xxx
    
    Problem Summary:
    
    ### Release note
    
    None
    
    ### Check List (For Author)
    
    - Test <!-- At least one of them must be included. -->
        - [ ] Regression test
        - [ ] Unit Test
        - [ ] Manual test (add detailed scripts or steps below)
        - [ ] No need to test or manual test. Explain why:
    - [ ] This is a refactor/code format and no logic has been changed.
            - [ ] Previous test can cover this change.
            - [ ] No code files have been changed.
            - [ ] Other reason <!-- Add your reason?  -->
    
    - Behavior changed:
        - [ ] No.
        - [ ] Yes. <!-- Explain the behavior change -->
    
    - Does this need documentation?
        - [ ] No.
    - [ ] Yes. <!-- Add document PR link here. eg:
    https://github.com/apache/doris-website/pull/1214 -->
    
    ### Check List (For Reviewer who merge this PR)
    
    - [ ] Confirm the release note
    - [ ] Confirm test cases
    - [ ] Confirm document
    - [ ] Add branch pick label <!-- Add branch pick label that this PR
    should merge into -->
---
 fe/fe-core/src/main/java/org/apache/doris/persist/gson/GsonUtils.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git 
a/fe/fe-core/src/main/java/org/apache/doris/persist/gson/GsonUtils.java 
b/fe/fe-core/src/main/java/org/apache/doris/persist/gson/GsonUtils.java
index d863140a256..5d1802b603f 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/persist/gson/GsonUtils.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/persist/gson/GsonUtils.java
@@ -528,7 +528,8 @@ public class GsonUtils {
             .of(Replica.class, "clazz")
             .registerDefaultSubtype(Replica.class)
             .registerSubtype(Replica.class, Replica.class.getSimpleName())
-            .registerSubtype(CloudReplica.class, 
CloudReplica.class.getSimpleName());
+            .registerSubtype(CloudReplica.class, 
CloudReplica.class.getSimpleName())
+            .registerCompatibleSubtype(Replica.class, "LocalReplica");
 
     private static RuntimeTypeAdapterFactory<Tablet> tabletTypeAdapterFactory;
 
@@ -539,6 +540,7 @@ public class GsonUtils {
                 .registerSubtype(CloudTablet.class, 
CloudTablet.class.getSimpleName());
         if (Config.isNotCloudMode()) {
             tabletTypeAdapterFactory.registerDefaultSubtype(Tablet.class);
+            tabletTypeAdapterFactory.registerCompatibleSubtype(Tablet.class, 
"LocalTablet");
         } else {
             // compatible with old cloud code.
             tabletTypeAdapterFactory.registerDefaultSubtype(CloudTablet.class);


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