diqiu50 commented on code in PR #13584:
URL: https://github.com/apache/gravitino/pull/13584#discussion_r4131166847


##########
spark-connector/spark-common/src/main/java/org/apache/gravitino/spark/connector/iceberg/GravitinoIcebergCatalog.java:
##########
@@ -74,6 +74,34 @@ public class GravitinoIcebergCatalog extends BaseCatalog
   @Override
   protected TableCatalog createAndInitSparkCatalog(
       String name, CaseInsensitiveStringMap options, Map<String, String> 
properties) {
+    String catalogBackendName = 
IcebergPropertiesUtils.getCatalogBackendName(properties);
+    Map<String, String> all =
+        buildSparkCatalogProperties(
+            name,
+            options,
+            properties,
+            SparkSession.active().sparkContext().conf(),
+            () -> GravitinoCatalogManager.get().getIcebergRestUri());
+    TableCatalog icebergCatalog = new SparkCatalog();
+    icebergCatalog.initialize(catalogBackendName, new 
CaseInsensitiveStringMap(all));
+    return icebergCatalog;
+  }
+
+  Map<String, String> buildSparkCatalogProperties(
+      String name,
+      CaseInsensitiveStringMap options,
+      Map<String, String> properties,
+      SparkConf sparkConf,
+      Supplier<Optional<String>> endpointDiscovery) {
+    Optional<String> icebergRestUri =
+        resolveIcebergRestUri(properties, key -> sparkConf.get(key, null), 
endpointDiscovery);
+    if (icebergRestUri.isPresent()) {

Review Comment:
   Yes, this is intended. For a routing-eligible catalog, the routing error 
names the actual misconfiguration and how to fall back, while the driver 
`ClassNotFoundException` pointed at a class the routed client never uses.



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