fix issue #23758 (#23764)

Co-authored-by: root <root@thinkpad-pc.localdomain>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/core/rag/datasource/vdb/oracle/oraclevector.py

             )
 
     def _get_connection(self) -> Connection:
-        connection = oracledb.connect(user=self.config.user, password=self.config.password, dsn=self.config.dsn)
-        return connection
+        if self.config.is_autonomous:
+            connection = oracledb.connect(
+                user=self.config.user,
+                password=self.config.password,
+                dsn=self.config.dsn,
+                config_dir=self.config.config_dir,
+                wallet_location=self.config.wallet_location,
+                wallet_password=self.config.wallet_password,
+            )
+            return connection
+        else:
+            connection = oracledb.connect(user=self.config.user, password=self.config.password, dsn=self.config.dsn)
+            return connection
 
     def _create_connection_pool(self, config: OracleVectorConfig):
         pool_params = {