Oracle Solution for Error ora-12636
ORA-12636: Packet send failed
What triggered the Error:
A process was unable to send a packet to another process. Possible causes are:
*1. The other process was terminated.
*2. The machine on which the other process is running went down.
*3. Some other communications error occurred.
What should we do to fix it:
If the cause is not obvious, contact Oracle Customer Support.