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Connection timeout with TNS-12571 [message #66564]

Thu, 01 August 2002 03:12

Mark Tombs
Messages: 5
Registered: August 2002

Junior Member

My net8 connections get disconnected after about 15 mins of inactivity, and I get a ORA-12571 TNS:packet writer failure. The SQLNET.EXPIRE_TIME parameter is not set in the sqlnet.ora file, so I would expect my connections to last forever.

server: Oracle 8.1.7 on SuSE Linux 7.3.
client: NT4 using 8.1.7 client.

Any help appreciated, as this is really winding me up.

thanks

Mark

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Re: Connection timeout with TNS-12571 [message #66567 is a reply to message #66564]

Sun, 04 August 2002 10:42

K.SREENIVASAN
Messages: 110
Registered: January 2001
Location: banglore

Senior Member

hi,

i think it will not the problem.in your user profile
they will set the idel time for 15 minutes.net8 connections get disconnected after about 15 mins of inactivity.so increase the idle time for the user profile.

k.sreenivasan

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Re: Connection timeout with TNS-12571 [message #66571 is a reply to message #66567]

Mon, 05 August 2002 02:59

Mark Tombs
Messages: 5
Registered: August 2002

Junior Member

Hi,

I've checked the user profile and the idle time value is set to unlimited. I've tried setting it to 60, but I still get disconnected way before that.

thanks

Mark

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Re: Connection timeout with TNS-12571 [message #66585 is a reply to message #66564]

Thu, 15 August 2002 11:40

Grant
Messages: 578
Registered: January 2002

Senior Member

SQLNET.EXPIRE_TIME is used for Dead Connection Detection and has nothing to do with disconnecting clients. This parameter will kill Oracle server processes that no longer have a client connection. Do you have software installed that disconnects your session if it gets no I/O in 15 minutes?

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Re: Connection timeout with TNS-12571 [message #66587 is a reply to message #66564]

Thu, 15 August 2002 23:37

Mark Tombs
Messages: 5
Registered: August 2002

Junior Member

Solved! the database server in question is in a DMZ (behind a firewall) and the firewall was disconnecting me. Thanks for the hint.

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