FANNG1 commented on code in PR #9410:
URL: https://github.com/apache/gravitino/pull/9410#discussion_r2598686141


##########
iceberg/iceberg-common/src/main/java/org/apache/gravitino/iceberg/common/ops/IcebergCatalogWrapper.java:
##########
@@ -279,13 +279,27 @@ public boolean supportsViewOperations() {
 
   @Override
   public void close() throws Exception {
+    LOG.info("Closing IcebergCatalogWrapper for catalog: {}", catalog.name());
     if (catalog instanceof AutoCloseable) {
       // JdbcCatalog and ClosableHiveCatalog implement AutoCloseable and will 
handle their own
       // cleanup
       ((AutoCloseable) catalog).close();
     }
     metadataCache.close();
 
+    // For Iceberg REST server which use same classloader when recreating 
catalog wrapper, the
+    // Driver couldn't be reloaded after deregister()
+    if (useDifferentClassLoader()) {
+      closeJdbcDriverResources();
+    }
+  }
+
+  // Whether to use same classloader when recreating IcebergCatalogWrapper

Review Comment:
   updated



##########
iceberg/iceberg-common/src/main/java/org/apache/gravitino/iceberg/common/ops/IcebergCatalogWrapper.java:
##########
@@ -279,13 +279,27 @@ public boolean supportsViewOperations() {
 
   @Override
   public void close() throws Exception {
+    LOG.info("Closing IcebergCatalogWrapper for catalog: {}", catalog.name());
     if (catalog instanceof AutoCloseable) {
       // JdbcCatalog and ClosableHiveCatalog implement AutoCloseable and will 
handle their own
       // cleanup
       ((AutoCloseable) catalog).close();
     }
     metadataCache.close();
 
+    // For Iceberg REST server which use same classloader when recreating 
catalog wrapper, the

Review Comment:
   updated



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