Database Networking (MOSC)

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Oracle 11g Listener Services & Databases fails to start after server reboot

edited Sep 15, 2015 10:01AM in Database Networking (MOSC) 10 commentsAnswered

Hi Experts, 

I am seeking for help related to the below issue.

Problem Description
---------------------------------------------------
I am unable to start the listener & database after rebooting the server. Listener is getting hanged in half way. After having enough memory also I am facing the below issue.

TNS-12531: TNS:cannot allocate memory

As well as i am unable to start the database also.

When trying to start the database it throws the below error.

ORA - 00000: normal, Successful Completion

When I try to execute the below query it throws the below error

>Select status from v$instance;

ORA - 01012: not logged on 

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