Users were able to connect from One client where as they were having issues from another client.
Jobs were failing with ORA-12502 error.
This is RAC env. 11gR2
From both clients
1. we can telnet,ping to db hosnames
2. we can telnet,ping to scan
however telnet to VIP was not working for problematic client. Informed apps team to Open firewall request for VIPs from client. This resolved the issue.
Below two links helped me in troubleshooting the issue.
http://levipereira.wordpress.com/2011/05/03/configuring-client-to-use-scan-11-2-0/
http://stelliosdba.blogspot.sg/2012/02/ora-12502-tnslistener-received-no.html
Jobs were failing with ORA-12502 error.
This is RAC env. 11gR2
From both clients
1. we can telnet,ping to db hosnames
2. we can telnet,ping to scan
however telnet to VIP was not working for problematic client. Informed apps team to Open firewall request for VIPs from client. This resolved the issue.
Below two links helped me in troubleshooting the issue.
http://levipereira.wordpress.com/2011/05/03/configuring-client-to-use-scan-11-2-0/
http://stelliosdba.blogspot.sg/2012/02/ora-12502-tnslistener-received-no.html
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