ORA-12457 是一个 Oracle 数据库错误代码,具体含义为:“TNS contact(TNS:失去联系)”。这个错误通常表明客户端与 Oracle 数据库服务器之间的网络连接在某个时刻中断了。 2. ORA-12457 错误可能的触发原因 网络问题:网络不稳定、网络延迟或网络中断都可能导致此错误。 数据库服务器问题:数据库服务器异常关闭、资源...
Correction: Job was being triggered from application servers and getting data in two databases and getting ORA-12457:TNS lost contact error. Can someone can tell for possible cause except for network related issue? Or is this exactly related to network? As per checking, both databases are up a...
I have a script to check tablespace size for 12c which is running fine. However, when I run the same script on my 19c server it is giving SP-0306 and ORA-12457 related message. Here is the script... --- #!/bin/bash export MMSG=/tmp/$$.mail export ADDR="abc@xyz.c...