Enhance getLatestRegionRouteMap log for debugging #14830

Signed-off-by: OneSizeFitQuorum <[email protected]>

Author: OneSizeFitsQuorum

iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/manager/ConfigManager.java

@@ -1806,9 +1806,10 @@ public TRegionRouteMapResp getLatestRegionRouteMap() {
         } catch (InterruptedException e) {
           Thread.currentThread().interrupt();
           LOGGER.warn("Unexpected interruption during retry getting latest region route map");
+          resp.getStatus().setCode(TSStatusCode.REDIRECTION_RECOMMEND.getStatusCode());
+          return resp;
         }
       }
-
       resp.setTimestamp(System.currentTimeMillis());
       resp.setRegionRouteMap(getLoadManager().getRegionPriorityMap());
     }

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/analyze/cache/partition/PartitionCache.java

@@ -549,6 +549,11 @@ public TRegionReplicaSet getRegionReplicaSet(TConsensusGroupId consensusGroupId)
             TRegionRouteMapResp resp = client.getLatestRegionRouteMap();
             if (TSStatusCode.SUCCESS_STATUS.getStatusCode() == resp.getStatus().getCode()) {
               updateGroupIdToReplicaSetMap(resp.getTimestamp(), resp.getRegionRouteMap());
+            } else {
+              logger.warn(
+                  "Unexpected error when getRegionReplicaSet: status {}， regionMap: {}",
+                  resp.getStatus(),
+                  resp.getRegionRouteMap());
             }
             // if configNode don't have then will throw RuntimeException
             if (!groupIdToReplicaSetMap.containsKey(consensusGroupId)) {