HxpSerein commented on code in PR #13001:
URL: https://github.com/apache/iotdb/pull/13001#discussion_r1689847142


##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/execution/executor/RegionReadExecutor.java:
##########
@@ -100,6 +103,10 @@ public RegionExecutionResult execute(
           || t instanceof NotLeaderException
           || t instanceof ServerNotReadyException) {
         resp.setNeedRetry(true);
+        resp.setStatus(new 
TSStatus(TSStatusCode.RATIS_READ_UNAVAILABLE.getStatusCode()));
+      } else if (t instanceof ConsensusGroupNotExistException) {
+        resp.setNeedRetry(true);
+        resp.setStatus(new 
TSStatus(TSStatusCode.CONSENSUS_GROUP_NOT_EXIST.getStatusCode()));

Review Comment:
   Because the handling methods for these two exceptions are different, 
CONSENSUS-GROUP_NOTEXIST does not need to retry again



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