Bug #78551 ER_CONNECT_TO_FOREIGN_DATA_SOURCE truncates the error message to 64 chars
Submitted: 25 Sep 2015 6:33
Reporter: Shane Bester (Platinum Quality Contributor) Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Federated storage engine Severity:S3 (Non-critical)
Version:5.6.26 OS:Any
Assigned to: CPU Architecture:Any

[25 Sep 2015 6:33] Shane Bester
Description:
testcase outputs:

mysql> create server s foreign data wrapper mysql options (user 'root',port 7777, host 'this.is.a.valid.domain.name.that.is.long.com',database 'db');
Query OK, 1 row affected (0.00 sec)

mysql> drop table if exists t;
Query OK, 0 rows affected (0.00 sec)

mysql> create table t (a int) engine=federated connection='s';
Query OK, 0 rows affected (0.00 sec)

mysql> select * from t;
ERROR 1429 (HY000): Unable to connect to foreign data source: Unknown MySQL server host 'this.is.a.valid.domain.name.that.is.l
mysql>

How to repeat:
start server with --federated=1
--------------------------------

drop server if exists s;
create server s foreign data wrapper mysql options (user 'root',port 7777, host 'this.is.a.valid.domain.name.that.is.long.com',database 'db');
drop table if exists t;
create table t (a int) engine=federated connection='s';
select * from t;