[AURON #2229] Silent fallback to empty partitions may cause data loss

thirdparty/auron-iceberg/src/main/scala/org/apache/spark/sql/auron/iceberg/IcebergScanSupport.scala

@@ -78,7 +78,14 @@ object IcebergScanSupport extends Logging {
       return None
     }
 
-    val partitions = inputPartitions(exec)
+    val partitions =
+      try {
+        inputPartitions(exec)
+      } catch {
+        case e: IllegalStateException =>
+          logWarning(s"Get Partition error: ${e.getMessage}")
+          return None
+      }
     // Empty scan (e.g. empty table) should still build a plan to return no rows.
     if (partitions.isEmpty) {
       logWarning(s"Native Iceberg scan planned with empty partitions for $scanClassName.")
@@ -190,7 +197,9 @@ object IcebergScanSupport extends Logging {
         logWarning(
           s"Failed to obtain input partitions via reflection for ${exec.getClass.getName}.",
           t)
-        Seq.empty
+        throw new IllegalStateException(
+          s"Cannot resolve input partitions for ${exec.getClass.getName}",
+          t)
     }
   }