Do offline migration , it will pop the error in attachment.
But it doesn't display every time.
Has display many times.
The senarios is as follows:
S1: CMT version: 8.4.1.0015_20120312
SERVER: win server 2008
Migration type: offline
S2: CMT version: 8.4.1.0015_20120313
Do offline from oracle to cubrid use XE (oracle.xml)
In this senario, it has display many time, then do migration from mysql, it's ok. then do migration from oracle, it's ok.