Database Networking (MOSC)

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Intermittent TNS-12535, TNS-12606, ORA-3136 reported on database

edited Jul 22, 2018 8:49AM in Database Networking (MOSC) 2 commentsAnswered

Hi All,

I'm receiving intermittent errors recorded on our database's alert log. There is no error reported on the listener log but I can clearly see the connection had established but a few minutes later the connection got timed out. On certain case we receive ORA-3136 for a particular connection but the connection wasn't even recorded on listener log. Can someone please guide me how to troubleshoot.

Listener Log

18-JUL-2018 04:32:45 * (CONNECT_DATA=(SERVICE_NAME=user_svc)(CID=(PROGRAM=)(HOST=<hostname09>)(USER=SYSTEM))) * (ADDRESS=(PROTOCOL=tcp)(HOST=xx.yy.1.179)(PORT=

62013)) * establish * user_svc * 0

18-JUL-2018 04:32:46 * service_update * user_svc * 0

18-JUL-2018 04:32:46 * ping * 0

18-JUL-2018 04:32:47 * ping * 0

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