mysql_ha_read attempts table read after 'Access denied' for server created by CREATE SERVER | Got error 12701 when reading table

INSTALL PLUGIN Spider SONAME 'ha_spider.so';

CREATE SERVER srv FOREIGN DATA WRAPPER MYSQL OPTIONS (SOCKET '../socket.sock', DATABASE 'test', USER 'Spider', PASSWORD 'PWD123');

CREATE TABLE t1 (a INT, b CHAR(10), c CHAR(10), filler CHAR(10), PRIMARY KEY(a, b (2)), UNIQUE KEY(a, c (2))) CHARACTER SET ucs2 ENGINE=Spider COMMENT='WRAPPER "mysql", srv "srv", TABLE "t"';

HANDLER t1 OPEN;

HANDLER t1 READ a>(1);

10.11.0-opt>HANDLER t1 OPEN;

Query OK, 0 rows affected, 4 warnings (0.006 sec)

10.11.0-opt>HANDLER t1 READ a>(1);

ERROR 1429 (HY000): Unable to connect to foreign data source: srv

2022-09-03 10:48:20 25 [Warning] Access denied for user 'Spider'@'localhost' (using password: YES)

2022-09-03 10:48:20 4 [ERROR] mysql_ha_read: Got error 12701 when reading table 't1'