(ratis) branch master updated: RATIS-2278. Follower Fails to Append Entries Due to Index Validation in NavigableIndices (#1247)

[szetszwo]

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szetszwo pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/ratis.git


The following commit(s) were added to refs/heads/master by this push:
     new f5e993549 RATIS-2278. Follower Fails to Append Entries Due to Index 
Validation in NavigableIndices (#1247)
f5e993549 is described below

commit f5e993549330708d85570af8462ee00c879aba2c
Author: GewuNewOne <89496957+rkg...@users.noreply.github.com>
AuthorDate: Fri Apr 11 23:38:20 2025 +0800

    RATIS-2278. Follower Fails to Append Entries Due to Index Validation in 
NavigableIndices (#1247)
---
 .../src/main/java/org/apache/ratis/server/impl/ServerImplUtils.java   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git 
a/ratis-server/src/main/java/org/apache/ratis/server/impl/ServerImplUtils.java 
b/ratis-server/src/main/java/org/apache/ratis/server/impl/ServerImplUtils.java
index c5010a534..e4f661afc 100644
--- 
a/ratis-server/src/main/java/org/apache/ratis/server/impl/ServerImplUtils.java
+++ 
b/ratis-server/src/main/java/org/apache/ratis/server/impl/ServerImplUtils.java
@@ -141,7 +141,9 @@ public final class ServerImplUtils {
         // validate startIndex
         final Map.Entry<Long, ConsecutiveIndices> lastEntry = map.lastEntry();
         if (lastEntry != null) {
-          Preconditions.assertSame(lastEntry.getValue().getNextIndex(), 
indices.startIndex, "startIndex");
+          final long nextIndex = lastEntry.getValue().getNextIndex();
+          Preconditions.assertTrue(indices.startIndex >= nextIndex,
+                  () -> "startIndex = " + indices.startIndex + " < nextIndex = 
" + nextIndex);
         }
         map.put(indices.startIndex, indices);
       }