failed to insert into an external table on a shared-data cluster

[wxl24life]

Steps to reproduce the behavior (Required)

-- run on target cluster (shared-data)
create database test;
use test;
CREATE TABLE t
(
    k1 DATE,
    k2 INT,
    k3 SMALLINT,
    k4 VARCHAR(2048),
    k5 DATETIME
)
ENGINE=olap
DISTRIBUTED BY HASH(k1);


CREATE EXTERNAL TABLE external_t
(
    k1 DATE,
    k2 INT,
    k3 SMALLINT,
    k4 VARCHAR(2048),
    k5 DATETIME
)
ENGINE=olap
DISTRIBUTED BY HASH(k1)
PROPERTIES
(
    "host" = "xxxx",
    "port" = "9020",
    "user" = "admin",
    "password" = "xxx,
    "database" = "test",
    "table" = "t"
);

Expected behavior (Required)

insert succeed

Real behavior (Required)

NullpointerException throwed in fe's log

StarRocks version (Required)

• 3.3.2