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org.omg.CORBA.COMM_FAILURE

8 posts in General Discussion (old) Last posting was on 2000-03-07 23:38:19.0Z
Russell Bostock Posted on 2000-03-06 19:58:37.0Z
Newsgroups: sybase.public.easerver
From: "Russell Bostock" <Russell_Bostock@cdnair.ca>
Organization: 142.147.15.7
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Subject: org.omg.CORBA.COMM_FAILURE
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Article PK: 157999

We have recently deployed our web application and we've had a few people report
a problem connecting to Jaguar. The code (an applet) throws a COMM_FAILURE
execption, the Java console shows "session org.omg.CORBA.COMM_FAILURE:
www.solo.cdnair.ca:9000- Connection refused". Strangely, this only happens to a
handful of people; we have hundreds of others that have no problem. I tried
forcing HTTP tunneling just to see if for some reason the IIOP packets weren't
making it through (I know it automatically does this anyway), but still no luck.
Any suggestions on what I can look for?
Thanks,
Russell Bostock
Canadian Airlines


Jim O'Neil [Sybase] Posted on 2000-03-06 23:02:50.0Z
Newsgroups: sybase.public.easerver
Date: Mon, 06 Mar 2000 18:02:50 -0500
From: "Jim O'Neil [Sybase]" <joneil@sybase.com>
Organization: Sybase, Inc.
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Article PK: 157978


Russell Bostock wrote:

> We have recently deployed our web application and we've had a few people report
> a problem connecting to Jaguar. The code (an applet) throws a COMM_FAILURE
> execption, the Java console shows "session org.omg.CORBA.COMM_FAILURE:
> www.solo.cdnair.ca:9000- Connection refused". Strangely, this only happens to a
> handful of people; we have hundreds of others that have no problem. I tried
> forcing HTTP tunneling just to see if for some reason the IIOP packets weren't
> making it through (I know it automatically does this anyway), but still no luck.
> Any suggestions on what I can look for?
> Thanks,
> Russell Bostock
> Canadian Airlines

Any errors in the srv.log - it doesn't sound like this would be the case, but you'll
get a similar message with the number of IIOP listeners is exceeded. I'm guessing
you have a deployment license though - from the 'hundreds of others that have no
problem' - so you shouldn't hit this.

If they immediately retry do they get in? what do they have to do subsequently to
get there succesfully? or do they ever?
--
Jim O'Neil
Senior Technical Support Engineer
Sybase, Inc


Russell Bostock Posted on 2000-03-07 00:04:19.0Z
Newsgroups: sybase.public.easerver
From: "Russell Bostock" <Russell_Bostock@cdnair.ca>
Organization: 142.147.15.7
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Subject: Re: org.omg.CORBA.COMM_FAILURE
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Article PK: 157973

Hi Jim:

No messages of any kind in the srv.log, and we do have a deployment license, so
I'm certain that we aren't exceeding the max connections. No, it's actually a
group of individuals who are all consistently experiencing this problem. None of
them has ever successfully connected, no matter how many times they try. I
wondered for a while if somehow their ISP's were tossing away the IIOP packets,
but the HTTP tunnelling doesn't work either. I'm stumped as to what to try next.

Russell Bostock
Canadian Airlines

Jim O'Neil [Sybase] <joneil@sybase.com> wrote:

>Any errors in the srv.log - it doesn't sound like this would be the case, but
you'll
>get a similar message with the number of IIOP listeners is exceeded. I'm
guessing
>you have a deployment license though - from the 'hundreds of others that have
no
>problem' - so you shouldn't hit this.
>
>If they immediately retry do they get in? what do they have to do subsequently
to
>get there succesfully? or do they ever?
>--
>Jim O'Neil
>Senior Technical Support Engineer
>Sybase, Inc
>
>


Jim O'Neil [Sybase] Posted on 2000-03-07 14:50:33.0Z
Newsgroups: sybase.public.easerver
Date: Tue, 07 Mar 2000 09:50:33 -0500
From: "Jim O'Neil [Sybase]" <joneil@sybase.com>
Organization: Sybase, Inc.
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Russell Bostock wrote:

> Hi Jim:
>
> No messages of any kind in the srv.log, and we do have a deployment license, so
> I'm certain that we aren't exceeding the max connections. No, it's actually a
> group of individuals who are all consistently experiencing this problem. None of
> them has ever successfully connected, no matter how many times they try. I
> wondered for a while if somehow their ISP's were tossing away the IIOP packets,
> but the HTTP tunnelling doesn't work either. I'm stumped as to what to try next.
>
> Russell Bostock
> Canadian Airlines

Have you tried turning on IIOP tracing - assuming you can keep everyone else out for
a while, because the trace gets big - maybe that will provide some clues.

--
Jim O'Neil
Senior Technical Support Engineer
Sybase, Inc


Russell Bostock Posted on 2000-03-07 19:25:10.0Z
Newsgroups: sybase.public.easerver
From: "Russell Bostock" <Russell_Bostock@cdnair.ca>
Organization: 142.147.15.7
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Subject: Re: org.omg.CORBA.COMM_FAILURE
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Well, I suppose I'll have to try to arrange something with one of the affected
users to do this. Probably won't be able to get to this point for a couple of
weeks yet. Am I right in assuming that, if the IIOP packets don't make it
through to Jaguar, I would still get the same exception
(org.omg.CORBA.COMM_FAILURE) ?

Russell Bostock
Canadian Airlines

>Have you tried turning on IIOP tracing - assuming you can keep everyone else
out for
>a while, because the trace gets big - maybe that will provide some clues.
>
>--
>Jim O'Neil
>Senior Technical Support Engineer
>Sybase, Inc
>
>


Evan Ireland Posted on 2000-03-07 20:12:54.0Z
Newsgroups: sybase.public.easerver
Date: Wed, 08 Mar 2000 09:12:54 +1300
From: Evan Ireland <eireland@sybase.com>
Organization: Sybase, Inc.
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Russell Bostock wrote:
>
> Well, I suppose I'll have to try to arrange something with one of the affected
> users to do this. Probably won't be able to get to this point for a couple of
> weeks yet. Am I right in assuming that, if the IIOP packets don't make it
> through to Jaguar, I would still get the same exception
> (org.omg.CORBA.COMM_FAILURE) ?

Yes, if the connections don't make their way to Jaguar, you will get a
COMM_FAILURE.
________________________________________________________________________________

Evan Ireland Sybase EA Server Engineering eireland@sybase.com
Wellington - New Zealand +64 4 934-5856


Jim O'Neil [Sybase] Posted on 2000-03-07 19:57:47.0Z
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Date: Tue, 07 Mar 2000 14:57:47 -0500
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Russell Bostock wrote:

> Well, I suppose I'll have to try to arrange something with one of the affected
> users to do this. Probably won't be able to get to this point for a couple of
> weeks yet. Am I right in assuming that, if the IIOP packets don't make it
> through to Jaguar, I would still get the same exception
> (org.omg.CORBA.COMM_FAILURE) ?
>
> Russell Bostock
> Canadian Airlines
>

I'm not sure on that one, maybe Dave can comment, but from the connection refused
part of the message, I would really think you are hitting the Jaguar server and
getting rejected - common reasons being not passing authentication or the IIOP
listener restriction that I mentioned. What kind of authentication are you using?
simple password? OS authentication? do you have a AuthService component set up?
--
Jim O'Neil
Senior Technical Support Engineer
Sybase, Inc


Dave Wolf [Sybase] Posted on 2000-03-07 23:38:19.0Z
Newsgroups: sybase.public.easerver
From: "Dave Wolf [Sybase]" <dwolf@sybase.com>
Subject: Re: org.omg.CORBA.COMM_FAILURE
Date: Tue, 7 Mar 2000 18:38:19 -0500
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COMM_FAILIURE can be about anything. Its normally a bad network connection.

Dave Wolf
Internet Applications Division

"Jim O'Neil [Sybase]" <joneil@sybase.com> wrote in message
news:38C55F3B.CE3BC9B6@sybase.com...
> Russell Bostock wrote:
>
> > Well, I suppose I'll have to try to arrange something with one of the
affected
> > users to do this. Probably won't be able to get to this point for a
couple of
> > weeks yet. Am I right in assuming that, if the IIOP packets don't make
it
> > through to Jaguar, I would still get the same exception
> > (org.omg.CORBA.COMM_FAILURE) ?
> >
> > Russell Bostock
> > Canadian Airlines
> >
>
> I'm not sure on that one, maybe Dave can comment, but from the connection
refused
> part of the message, I would really think you are hitting the Jaguar
server and
> getting rejected - common reasons being not passing authentication or the
IIOP
> listener restriction that I mentioned. What kind of authentication are
you using?
> simple password? OS authentication? do you have a AuthService component
set up?
> --
> Jim O'Neil
> Senior Technical Support Engineer
> Sybase, Inc
>
>