OGG异构：源端Oracle 19c的库  21c的ogg软件

                  目标端Mysql 5.7的库 12c的ogg软件

源端进程一切正常，目标端起复制进程的时候日志报错：

OGG-02247 Oracle GoldenGate Delivery for MySQL, r_ext1.prm: Failed to read SOURCEDEFS file /home/oggmysql/dirdef/source.def: Invalid version found in DEFGEN file: 6.0.

mapping的时候已经指定版本，配置文件如下：

GGSCI (node as gguser@ccc) 62> edit param defgen

userid gguser@LISTENER,password gguser
defsfile /opt/ogg/dirdef/source.def FORMAT RELEASE 12.3
table test.*;