ORA-12537

Hi friends,

I have a 3rd party application that runs on Oracle 10 g DB (Aix 5 L). It worked properly for 1 month now.

But suddenly today it struck this ORA-12537?

Which of the following statements is close to this scenario? or do you have other ideas?
What to do with ORA-12537: TNS: connection closed error
The ORA-12537 is an information message and means that the connection has been closed. This can be caused by a number of reasons:
1. Database is shut down (maybe for nightly backup), but connection to database was kept by client.
2. A time-out occurred on the client-connection.
3. When firewall closes idle connections.
3. A configuration problem in sqlnet.ora or listener.ora.
4. You have a path name that is too long for the Oracle TNS client on windows. (MetaLink Note:263489.1 )
This issue is due to the connection string being large enough that the connection packet is being split into two packets and then sent to the listener. There are several workarounds for the issue.
a. Install the exe in a shorter named directory.
b. Modify the TNS Names entry so that it is shorter.
c. Replace domain names with IP Addresses if that shortens and vice versa.
d. Remove any parameters from the entry that are not needed.
e. Patch the Database Listener to the most recent version.
5. Oracle security is enables (for example in Oracle Apps). Solution either:
a) Edit sqlnet.ora file and add your client-ip to tcp.invited_nodes.
b) Remove secutity by editing sqlnet.ora and comment out parameter tcp.validnode_checking = yes by adding # at the beginning of the line.
Courtesy of Oradev.Com


What do you mean by #1 "kept silent"?

All this will fail on the first day of release, but its been running for 1 month now :(


Thank you very much

Ms. K

Published by: ytterp2009 on June 4, 2010 18:44

Published by: ytterp2009 on June 4, 2010 18:50 changing 'Dear' to 'friend '.

There are several reasons that occur this error. One of these processes to achieve (sessions), first check that. So now again once you get this error then connect as sysdba and:

sqlplus "/as sysdba"

select count(*) from v$session;

show parameter processes;

show parameter sessions;

If reached setting process you increase this setting in the form:

alter system set processes= scope=spfile;

see below metalink doc.

' ERROR ORA-12537: TNS:connection closed "error when deploying an Application of EPMA [1083351.1 ID]

Tags: Database

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    Copyright (c) 1997, 2007, Oracle.  All rights reserved.

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    Copyright (c) 1982, 2007, Oracle.  All rights reserved.

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