[pve-devel] pveproxy: I might have discovered a bug

[Dietmar Maurer]

> I'm not sure, but maybe it's comming from http_request() from pveproxy to
> pvedaemon
> 
> from http://search.cpan.org/~gaas/HTTP-Message-6.06/lib/HTTP/Request.pm
> 
> "
> persistent => $boolean
> Try to create/reuse a persistent connection. When this flag is set (default: true
> for idempotent requests, false for all others), then http_request tries to re-use
> an existing (previously-created) persistent connection to the host and, failing
> that, tries to create a new one.
> 
> Requests failing in certain ways will be automatically retried once, which is
> dangerous for non-idempotent requests, which is why it defaults to off for
> them. The reason for this is because the bozos who designed HTTP/1.1 made it
> impossible to distinguish between a fatal error and a normal connection
> timeout, so you never know whether there was a problem with your request or
> not.
> 
> When reusing an existent connection, many parameters (such as TLS context)
> will be ignored. See the session parameter for a workaround.
> "
> 
> 
> If I understand, by default, GET from proxy to pvedaemon are retried if
> pvedaemon timeout.

I can simply not reproduce that bug. I also set 'recurse => 0', so that should not happen.
I also tested with 'persistent => 0', and still got duplicate request.

My feeling is that the browser generates those requests (but they do not show up in firebug).