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Date: Tue, 11 Dec 2012 19:07:02 +0100
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Subject: Re: [jira] [Resolved] (CELIX-44) Remote Shell
From: Pepijn Noltes <pepijnnoltes@gmail.com>
To: celix-dev@incubator.apache.org
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On Tue, Dec 11, 2012 at 6:04 PM, Alexander Broekhuis
<a.broekhuis@gmail.com>wrote:

> >
> >
> > For OSX I am using is 10.8, which comes APR 1.4.5. And this seems to work
> > with remote shell.
> > When building against the APR from MacPorts (version 1.4.6) I get a
> > segfault when connecting with telnet.
> > I checked at work and there I'm using CentOS 5.8 with APR version 1.4.6
> and
> > in this case I don't get segfaults when connecting.
> >
> > When i have some time, I will look try to fix this for OSX.
> >
>
> I upgraded my installation and now it works. 10.6 has version
> 1.3.something.
>
> When I was still on 10.6 I tried MacPorts version as well, but that one
> seems to miss support for the wakeable pollset, even though the code
> compiles fine with it.
>
> In the remote_shell.c the remoteShell_stopConnection doesn't check the
> error code of the apr_pollset_wakeup, but this one returns an error with
> the MacPorts version (APR_EINIT).
>

I corrected this and adjusted the creating of a parentless memory pool for
newly created connections. Apparently this resulted - in my case - in a
segfault. Could you verify if this works for you?


>
> >
> >
> > I think it would be wise to specify a minimum version of APR we support.
> > The current building and running page ([1]) mentioned a dependency to
> APR,
> > but not which version. I also think that we can expect from users to
> > compile/install a suitable APR version and not depend on the APR versions
> > installed in for example OSX. So IMO specifying a minimal APR version of
> > 1.4.x is no problem, or am I missing something ...
> >
>
> Normally I would agree, but upgrading the installed version on MacOSX is a
> problem (it probably breaks the httpd installation etc). So the only option
> is to use the MacPorts version, but even though it compiles, at runtime
> there are still problems.. So either the MacPorts version is missing
> something, or we are missing something ;).
>
> The point is, I'd like to be able to support OSX 10.6, and trying to fix
> this is needed for that one :).


Understandable, but the APR website only has a link to the documentation
for version 0.9 and 1.4 (see [1]). If you enter a url manual you can find
the 1.3 documentation (see [2]), but still I prefer a versions which is
supported from the website.

[1] http://apr.apache.org/
[2] http://apr.apache.org/docs/apr/1.3/

Greetings,
Pepijn

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