OIiveirra commented on code in PR #68585:
URL: https://github.com/apache/doris/pull/68585#discussion_r4135909480


##########
fe/fe-core/src/main/java/org/apache/doris/datasource/plugin/PluginDrivenExternalCatalog.java:
##########
@@ -253,11 +256,27 @@ public boolean validatePropertiesBeforeUpdate(
         } catch (IllegalArgumentException e) {
             throw new DdlException(e.getMessage(), e);
         }
+        validateStorageProperties(candidateProperty);
         checkDriverUrlsAgainstOperatorGate(candidate, updatedProperties);
         
ExternalFunctionRules.check(candidateProperty.getOrDefault("function_rules", 
null));
         return true;
     }
 
+    /**
+     * Bind Hive catalog storage properties during DDL validation so HDFS 
configuration errors are
+     * reported by CREATE/ALTER instead of being deferred until the first 
table access.
+     */
+    private void validateStorageProperties(CatalogProperty property) throws 
DdlException {
+        if (!"hms".equalsIgnoreCase(getType())) {
+            return;
+        }
+        try {
+            
FileSystemFactory.bindAllStorageProperties(property.getProperties());

Review Comment:
   Addressed in commit .\n\nCREATE and ALTER now validate detached catalog 
properties outside the global catalog write lock. Before publishing an ALTER, 
the write-locked path rechecks catalog identity and the property snapshot; 
concurrent changes trigger a retry. The FE build and  regression pass.



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