dataroaring commented on code in PR #38834:
URL: https://github.com/apache/doris/pull/38834#discussion_r1772461013


##########
fe/fe-core/src/main/java/org/apache/doris/cloud/catalog/CloudReplica.java:
##########
@@ -257,10 +288,16 @@ private long getAvaliableBeId(String clusterId, 
Map<String, List<Long>> clusterT
         return -1;
     }
 
-    public long hashReplicaToBe(String clusterId, boolean isBackGround) {
+    public long hashReplicaToBe(String clusterId, boolean isBackGround) throws 
ComputeGroupException {
         // TODO(luwei) list should be sorted
         List<Backend> clusterBes = ((CloudSystemInfoService) 
Env.getCurrentSystemInfo())
                 .getBackendsByClusterId(clusterId);
+        String clusterName = ((CloudSystemInfoService) 
Env.getCurrentSystemInfo()).getClusterNameByClusterId(clusterId);
+        if (clusterBes.isEmpty()) {
+            throw new ComputeGroupException(
+                String.format("There are no Backend nodes in the current 
cluster %s", clusterName),

Review Comment:
   current compute group



##########
fe/fe-core/src/main/java/org/apache/doris/cloud/catalog/CloudReplica.java:
##########
@@ -272,11 +309,13 @@ public long hashReplicaToBe(String clusterId, boolean 
isBackGround) {
                 availableBes.add(be);
             }
         }
-        if (availableBes == null || availableBes.size() == 0) {
+        if (availableBes.isEmpty()) {
             if (!isBackGround) {
                 LOG.warn("failed to get available be, clusterId: {}", 
clusterId);
             }
-            return -1;
+            throw new ComputeGroupException(
+                String.format("All the Backend nodes in the current cluster %s 
are in an abnormal state", clusterName),

Review Comment:
   current compute group



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