RE: ORA-12367 with 19c Client

Thanks, Sayan – at least I’m in good company 😊. If Oracle gets back to me, I’ll post the responses.

Clay Jackson
Database Solutions Sales Engineer clay.jackson_at_quest.com<mailto:clay.jackson_at_quest.com> office 949-754-1203 mobile 425-802-9603 [cid:image001.jpg_at_01D61885.C724E810]

From: Sayan Malakshinov <xt.and.r_at_gmail.com> Sent: Wednesday, April 22, 2020 9:07 AM To: Clay Jackson (cjackson) <Clay.Jackson_at_quest.com> Cc: ORACLE-L <oracle-l_at_freelists.org> Subject: Re: ORA-12367 with 19c Client

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Hi Clay,

Yes, I had the same problem: https://twitter.com/xtner/status/1235918336241868802<https://nam05.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftwitter.com%2Fxtner%2Fstatus%2F1235918336241868802&data=02%7C01%7CClay.Jackson%40quest.com%7Cf48d3914c5e240948fcb08d7e6d74752%7C91c369b51c9e439c989c1867ec606603%7C0%7C0%7C637231684609838875&sdata=ghR1ESc6oyFYNEuYMc5peye0DDlXEuNy43gFr0qBtUg%3D&reserved=0>
> Oracle windows clients 19.3 and 19.5 fail to connect to Oracle 19.3 with "ORA-12637: Packet receive failed". Oracle clients <19 work fine... and i haven't found public bug for that.
As a workaround I just downgraded Oracle Clients to 18

On Wed, Apr 22, 2020 at 7:00 PM Clay Jackson (cjackson) <Clay.Jackson_at_quest.com<mailto:Clay.Jackson_at_quest.com>> wrote: We have a 19c (19.1) database in “bare metal Azure” that I’m trying to access with TOAD or SQL*PLUS and the Oracle 19c (19.3.0.0) client. I keep seeing an ORA-12367 (Packet receive failed) error. SQLDeveloper can access (using TNS) just fine.

If I try with the Oracle 12 client, everything works perfectly.

I just did a quick search of MOS and couldn’t find anything; so I’ve got an SR open; but also wanted to see if anyone here has seen the same thing.

Database Solutions Sales Engineer clay.jackson_at_quest.com<mailto:clay.jackson_at_quest.com> office 949-754-1203 mobile 425-802-9603 [cid:image001.jpg_at_01D61885.C724E810]

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Best regards,
Sayan Malakshinov
Oracle performance tuning engineer
Oracle ACE Associate
http://orasql.org<https://nam05.safelinks.protection.outlook.com/?url=http%3A%2F%2Forasql.org%2F&data=02%7C01%7CClay.Jackson%40quest.com%7Cf48d3914c5e240948fcb08d7e6d74752%7C91c369b51c9e439c989c1867ec606603%7C0%7C0%7C637231684609838875&sdata=RalEYntgotbVPvLmH5Zi682xgplEmZzfLI8xhCg9fWQ%3D&reserved=0>

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