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Message-ID: <cd6edfd30808271253u33bc1161x4bd216d5a87fbf55@mail.gmail.com>
Date: Wed, 27 Aug 2008 15:53:16 -0400
From: "Eddie Epstein" <eaepstein@gmail.com>
To: uima-user@incubator.apache.org
Subject: Re: "No proxy is available" error message
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OK, thanks. Another comment Hugo made implied that
once a startup failure happened, the VNS and remote services
have to be restarted for the problem to go away. Can you
confirm this?

If true, after a failure it would be easy to reproduce and so
one thing to do would be to turn up logging to FINEST and
capture the details. If this is not possible, we can try to
imagine what is happening.

Before restarting the services, is there there any indication that
one has stopped working? Any interesting messages from VNS?

The guess here is that you are using the exclusive mode
for good load balancing, and some VNS and/or service problem is
not being detected at CPM startup.

Eddie

On Wed, Aug 27, 2008 at 2:58 PM, Herv=E9 Azoulay <herve.azoulay@temis.com>w=
rote:

> I will answer on Hugo's behalf here. This only happens when the CPE start=
s.
>
> Herv=E9
>
> -----Message d'origine-----
> De : Eddie Epstein [mailto:eaepstein@gmail.com]
> Envoy=E9 : mercredi 27 ao=FBt 2008 20:55
> =C0 : uima-user@incubator.apache.org
> Objet : Re: "No proxy is available" error message
>
> Is there any more information on the failure scenarios?
> For example, do they occur right at CPE startup,
> after running for awhile, etc?
>
> Eddie
>
> On Wed, Aug 27, 2008 at 11:17 AM, Hugo Lafayette
> <hugo.lafayette@temis.com>wrote:
>
> > (UIMA 2.2.1)
> >
> > Sometimes in our application that use remote UIMA components, we get th=
e
> > following error:
> >
> > "No proxy is available. Instantiate a proxy before calling process()"
> >
> > Does someone knows why this exception occurs, or at least already
> > experiment such problem ?
> >
> > It seems to be "random", and usually restarting the UIMA components and
> > the VINCI server "solve" it.
> >
> > I look into the source code (NetworkCasProcessorImpl.java): as far as I
> > understand, it may only occur when the process() method is called befor=
e
> > setProxy() or after collectionProcessComplete(), which should not happe=
n
> > in real use case...
> >
> > Thanks in advance for any help or tip on this one, I'm really stuck her=
e.
> >
> > --
> > Hugo
> >
>

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