Re: Zombies on SunOS and orasrv

From: <erwin_at_skynet.ssd.lmsc.lockheed.com>
Date: 16 Jul 94 21:18:56 -0800
Message-ID: <1994Jul16.211856.320_at_skynet.ssd.lmsc.lockheed.com>


In article <306djs$16b6_at_source.asset.com>, hissam_at_source.asset.com (Scott A. Hissam) writes:
> we were finally able to track down the cause of the problem and (for us) were
> able to do a workaround. In fact we were able to reproduce the problem with
> straight SQLPLUS. The problem (in fact confirmed with trace -p <pid of orasrv>)
> is that orasrv on our system which is SunOS 4.1.3_U1, is that orasrv is not
> handling death of child (which is obvious because of those zombies).
>
> For us, we are running the application on the same machine as the server, so
> by NOT using the sqlplus incantation of sqlplus with the <userid>_at_T:<host>:<db>
> we were able to keep zombies from begin left about in the proc table.
>
> Follow? I think if you continue to use the _at_T mechanism for logging into the
> database, orasrv will continue to leave zombies.
>
> this session created a zombie:
>
> sqlplus dbuser_at_T:myhost:mydb
>
> SQL*Plus: Release 3.1.3.2.1 - Production on Fri Jul 15 12:23:18 1994
>
> Copyright (c) Oracle Corporation 1979, 1992. All rights reserved.
>
> Enter password:
> Warning: Product user profile information not loaded!
> Error in disabling roles in product user profile.
>
> Connected to:
> ORACLE7 Server Release 7.0.16.4.0 - Production
> With the procedural and distributed options
> PL/SQL Release 2.0.18.1.0 - Production
>
> SQL> quit
> Disconnected from ORACLE7 Server Release 7.0.16.4.0 - Production
> With the procedural and distributed options
> PL/SQL Release 2.0.18.1.0 - Production
>
> Now I have a defunct (zombie) process which orasrv didn't handle - the
> question is WHY? if I use sqlplus without connecting over the network to
> myself there is no problem.
>
> Scott Hissam
> Unisys Corporation
> (304) 367-8273
>
>
I ran into this problem after I installed 7.0.16.4 on Sun OS. There is a patch from Oracle that fixes the problem.

Dave Erwin
Lockheed Missiles & Space Company
erwin_at_lmsc.lockheed.com Received on Sun Jul 17 1994 - 07:18:56 CEST

Original text of this message