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System hangs; ORA-03135: connection lost contact

Former Member
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Hi,

Our training system has been getting hung quite frequently where all the dialog work processes are being held and not released. The only way to resolve it is to forcefully reboot the server at OS level (while SAP & Oracle is in a hung state).

From "dpmon" at OS level, I can see that most of the DIA process is held by the following programs mainly in client 000.

- SAPMSYST

- SAPMSSY2

- SAPMSDYP

- SAPLSMTR

- RSRALLG0

- SAPLV00F

Also in SM21, I can see ORA-3135 error. Are these 2 issues interrelated?

I am not able to find more info in ST11 under the specified work process number. Oracle alert log also doesn't show anything.

How do I find out what's happening to the system and catch the "culprit"?

Can anyone advise?

Thanks

Edited by: Sisab Nimda on Jul 15, 2010 3:46 PM

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Answers (1)

Answers (1)

JPReyes
Active Contributor
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Are all processes used by user SAPSYS?...

If thats the case Read Note 1153975 - All work processes are used by the user SAPSYS

Regards

Juan