[Ace-users] [tao-bugs] : Problem using multiple endpoints
Johnny Willemsen
jwillemsen at remedy.nl
Mon Oct 22 05:02:24 CDT 2007
Hi,
> The question I still have though is about the behavior of the default
> endpoint selector. Why does it just iterate over all of the endpoints?
> Why not first look for an endpoint that matches the hostname and port
> that the client initiated communication on? We are going to write our
> own that does this, but I was curious if there was something
> else that I
> was missing here. Thanks again for the responses.
This is just default behaviour. The strategies library delivers an endpoint
selector which tries to connect to all at the same moment. Maybe try that
one.
Regars,
Johnny Willemsen
Remedy IT
Postbus 101
2650 AC Berkel en Rodenrijs
The Netherlands
www.theaceorb.nl / www.remedy.nl
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>
> Steve
>
> -----Original Message-----
> From: schmidt at dre.vanderbilt.edu [mailto:schmidt at dre.vanderbilt.edu]
> Sent: Friday, October 12, 2007 4:29 AM
> To: Steve Carlucci
> Cc: tao-bugs at cs.wustl.edu
> Subject: Re: [tao-bugs] : Problem using multiple endpoints
>
>
> Hi Steve,
>
> > I upgraded our application to use the latest beta kit, and
> I am still
> > seeing the same behavior regarding multiple endpoints. Any ideas on
> the
> > problem that I described in my original e-mail? Thanks in
> advance for
> > any help.
>
> Thanks for taking a shot at upgrading. Could you please add this
> problem to bugzilla so that it doesn't get lost? I'm not sure when
> anyone will have time to take a close look at this, so you might
> consider checking with one of the companies listed at
>
> http://www.dre.vanderbilt.edu/support.html
>
> if time is of the essence.
>
> Thanks very much,
>
> Doug
>
> > Steve
> >
> >
> > -----Original Message-----
> > From: schmidt at dre.vanderbilt.edu
> [mailto:schmidt at dre.vanderbilt.edu]
> > Sent: Wednesday, October 10, 2007 11:57 AM
> > To: Steve Carlucci
> > Cc: tao-bugs at cs.wustl.edu
> > Subject: Re: [tao-bugs] : Problem using multiple endpoints
> >
> >
> > Hi Steve,
> >
> > Thanks for using the PRF.
> >
> > > TAO VERSION: 1.4.7
> > >
> > > ACE VERSION: 5.4.7
> >
> > You are using a very old version of TAO. Please upgrade to
> ACE+TAO+CIAO
> > x.6.1 (i.e., ACE 5.6.1, TAO 1.6.1, and CIAO 0.6.1), which you can
> > download from
> >
> > http://download.dre.vanderbilt.edu
> >
> > under the heading: "Latest Beta Kit."
> >
> > The DOC groups at Washington University, UC Irvine, and Vanderbilt
> > University only provide "best effort" support for
> non-sponsors for the
> > latest release, as described in
> >
> >
> http://www.dre.vanderbilt.edu/~schmidt/DOC_ROOT/ACE/docs/ACE-b
ug-process
> > .html
> >
> > Thus, if you need more "predictable" help for earlier versions of
> > ACE+TAO, I recommend that you check out
> >
> > http://www.dre.vanderbilt.edu/support.html
> >
> > for a list of companies that will provide you with ACE+TAO
> commercial
> > support.
> >
> > Thanks,
> >
> > Doug
> >
> >
> > > HOST MACHINE and OPERATING SYSTEM:
> > >
> > > Windows XP Professional (using Winsock2)
> > >
> > > RedHat Enterprise Linux 3.0, 4.0
> > >
> > > COMPILER NAME AND VERSION (AND PATCHLEVEL):
> > >
> > > On Windows:
> > >
> > > Microsoft Visual Studio .NET 2003
> > >
> > > On Linux:
> > >
> > > gcc 4.0.2
> > >
> > > THE $ACE_ROOT/ace/config.h FILE [if you use a link to a
> platform-
> > >
> > > specific file, simply state which one]:
> > >
> > > On Windows:
> > >
> > > config-win32.h
> > >
> > > On Linux:
> > >
> > > config-linux.h
> > >
> > > THE $ACE_ROOT/include/makeinclude/platform_macros.GNU FILE [if
> you
> > >
> > > use a link to a platform-specific file, simply state which one
> > >
> > > (unless this isn't used in this case, e.g., with Microsoft
> Visual
> > >
> > > C++)]:
> > >
> > > DOES THE PROBLEM AFFECT:
> > >
> > > EXECUTION
> > >
> > > [Please indicate whether ACE/TAO, your application, or both are
> > affected.]
> > >
> > > Both
> > >
> > > SYNOPSIS:
> > >
> > > I am seeing unexpected behavior when configuring my ORB to bind to
> > multiple endpoints. It appears that information about
> > > the first endpoint is always sent to clients, even if the client
> > attempted to connect to the ORB on a different endpoint.
> > >
> > > DESCRIPTION:
> > >
> > > We are having a problem with the server component of our
> application
> > when we configure the ORB with multiple endpoints. We
> > > discovered this problem when one of our customers was
> attempting to
> > connect to our application's server through a proxy. In
> > > order to get this to work, we needed to add an additional endpoint
> and
> > use the hostname_in_ior option to specify the
> > > external IP address of the proxy. . This allowed the customer to
> > successfully connect through the proxy, but then was
> > > unable to connect from within the network because the ORB was
> > returning information that was specified in the first
> > > endpoint, namely the external IP address of the proxy that was
> > specified in the hostname_in_ior option. Here are the
> > > command line arguments that we were initializing the ORB with:
> > >
> > > "-ORBEndpoint iiop://192.168.1.100:13100/hostname_in_ior=10.10.1.1
> > -ORBEndpoint iiop://192.168.1.100:13200
> > > -ORBDottedDecimalAddresses 1"
> > >
> > > The first endpoint was intended to allow clients to connect to the
> ORB
> > through the proxy, the second endpoint was intended
> > > to allow clients to connect to the ORB from within the
> same network.
> > However, when a client attempts to connect to the ORB
> > > on port 13200 (the second endpoint) from within the same network,
> the
> > ORB returns information to the client indicating that
> > > it should be talking to 10.10.1.1, which obviously fails since the
> > client cannot see the external IP address of the proxy.
> > >
> > > By switching the order of the endpoints on the command
> line, we can
> > get it to work one way or the other, but not both. I
> > > understand that we are using an old version, and we are looking at
> > upgrading in our next release, but is this a
> > > configuration problem, or a known bug/limitation? If this
> is a known
> > bug/limitation, has it been fixed in a later release?
> > > It is very possible that I don't have a full understanding of what
> is
> > going on here and that I am missing something simple,
> > > so I apologize in advance if that is the case. Any help is
> > appreciated.
> > >
> > > _______________________________________________
> > > tao-bugs mailing list
> > > tao-bugs at mail.cse.wustl.edu
> > > http://mail.cse.wustl.edu/mailman/listinfo/tao-bugs
>
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