Database account locked as it tries to connect different ports for 16 times

I need a help in answering one of the issue encountered last week.
I have created a database link and tried to access the information from a table using the program written in another language. The password provided was incorrect for that user while creating database link. So we expected that,while retrieving the data, Database connection has to be errored out as password provided is incorrrect.
But unfortunately, user account was locked out. When i checked with DBAs they mentioned that it tries to connect 16 ports with in a min of time.we were shocked as it STOPS another scheduled jobs with that user. and affects production badly.
As per the program, it has to connect only one time and yesterday we tried to execute the program in DBAs observation and it errored out as expected. Didn't tried for multiple ports.
Now the question is, WHY the database connection established 16 times last week and caused user account locked. DBAs are unable to answer it. Any EXPERTs opinion on this would greatly appreciated.
I have verified managing ports in oracle documentation, it was mentioned that if one port is busy it will try to connect to another port in the range of ports mentioned during the installtion. DBAs verified ports related file and it was blank. and they are not agreeing with this reason. Please HELP me in finding the correct REASON for this.
is it a NETWORK issue or issue with DATABASE SERVER only?
Thanks
SSP
Edited by: 960738 on Sep 22, 2012 9:13 PM

960738 wrote:
I need a help in answering one of the issue encountered last week.
I have created a database link and tried to access the information from a table using the program written in another language. The password provided was incorrect for that user while creating database link. So we expected that,while retrieving the data, Database connection has to be errored out as password provided is incorrrect.
But unfortunately, user account was locked out. When i checked with DBAs they mentioned that it tries to connect 16 ports with in a min of time.we were shocked as it STOPS another scheduled jobs with that user. and affects production badly.
As per the program, it has to connect only one time and yesterday we tried to execute the program in DBAs observation and it errored out as expected. Didn't tried for multiple ports.
Now the question is, WHY the database connection established 16 times last week and caused user account locked. DBAs are unable to answer it. Any EXPERTs opinion on this would greatly appreciated.
I have verified managing ports in oracle documentation, it was mentioned that if one port is busy it will try to connect to another port in the range of ports mentioned during the installtion. DBAs verified ports related file and it was blank. and they are not agreeing with this reason. Please HELP me in finding the correct REASON for this.
is it a NETWORK issue or issue with DATABASE SERVER only?
Thanks
SSP
Edited by: 960738 on Sep 22, 2012 9:13 PMDBLINK is 100% oblivious to the fact any port exists.
DBLINK only contains username, password & TNS Alias.
can you post actual SQL & results?

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