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We are currently seeing the following error in our Oracle listener log. There are thousands of these errors in there
TNS-12502: TNS:listener received no CONNECT_DATA from client
We connect to this oracle 10g database from an app running on Websphere 6.1
Any ideas what could be causing this error or any suggestions in order to fix it?
Thanks
Damien
You can get this if a process is quickly opening and closing the network port the listener is using (e.g. 1521). It could be a runaway process or a port sniffer.