ORA-24408: could not generate unique server group name

After continuous google for more than 10 hours, I finally came to a conclusion that the problem “ORA-24408: could not generate unique server group name” was not with oracle instanclient or the connection string oci_connect(). The only problem was with the mis-match of the hostnames of the application server defined in /etc/sysconfig/network & /etc/hosts.

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After modifying the hostnames in both the file to a single name, the problem was solved.

 $ vi /etc/sysconfig/network

NETWORKING=yes
HOSTNAME=RHEL65
$vi /etc/hosts

$ vi /etc/hosts
#127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
127.0.0.1    RHEL65

$service network restart

The above steps helped me save my valuable time. Thanks to the bloggers.

I hope these information would help you too. Best wishes!

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[Source: http://ahmadzainuddinzakaria.blogspot.in/2012/06/warning-ociconnect-functionoci-connect.html]

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