I have traced down somewhat to finding out where delay occurs in
message.php.
It is happening at line 257 in my message.php: if
(!$imp_contents->buildMessage()) {
So it's somewhere in buildMessage() function. Does anyone have any clue what
that function does in message.php and what might be causing the 77 second
delay for some people?
-----Original Message-----
From: Jan Schneider
Sent: Tuesday, May 28, 2019 2:16 PM
To: imp@lists.horde.org
Subject: Re: [imp] Individual messages taking 77 seconds to open.
You could use Xdebug or Blackfire to profile this script to find out
where it's spending the time (most probably waiting).
Zitat von Joseph Mays <m...@win.net>:
do you see a pattern in the users who have this issue, like having a
certain locale?
I have been trying to identify something they have in common, but thus
far have not. One handy aspect of this issue is that *I* have the problem
and thus can replicate it. The support person for this system, however,
does not have the problem, and thus spent some time very confused about
some calls he was receiving before first reporting it.
I have ruled out browser version -- have tried Chrome, Explorer, Firefox,
all have the problem.
I have ruled out reverse dns.
Note that I am only human, and thus might have overlooked something. I
would be happy to hear any suggestion about something that would cause
this problem in message.php (and only message.php), even if it's
something I thought I had ruled out.
-----Original Message----- From: Ralf Lang
Sent: Monday, May 27, 2019 6:57 AM
To: imp@lists.horde.org
Subject: Re: [imp] Individual messages taking 77 seconds to open.
Hi Joseph,
Am 24.05.19 um 22:03 schrieb Joseph Mays:
I’m working on a server that is using, in production what is admittedly
a very old version of horde imp. Still, the server has been there
unchanged for a few years. A strange problem has developed in one aspect
of horde imp in the last couple of months, though.
Everything about the server is fine, except that some users (not all)
are having a problem when it comes to clicking on a message in the inbox
and opening it. Opening the message takes almost exactly (I have timed
it with a stopwatch many times) 77 seconds to open. Every other aspect
of the horde server works fine and responds immediately.
I have tried calling the horde imp webmail interface through both ssl
and non ssl versions. Both have the same problem. We have a squirrelmail
webmail interface that works with the same imap server. It does not have
this problem. We have other imap interfaces that work fine. The problem
is just some users of the horde imp software, and specifically only with
calling message.php through horde.
I have put wireshark on the browser system and watched the
communication. The get request for message.php is sent immediately by
the server when the link is clicked in the inbox. The server acks the
response, but the get request does not show up in the webserver logs.
Then, for 77 seconds, nothing apparently happens on either the client or
server side (except for the sidebar.php refreshes, which work fine
through this whole process). Then, 77 seconds later, the get request
appears in the webserver log, is responded to immediately, and the
message appears in the browser interface.
I have been going through every timeout I can find, php.ini, ssl, the
horde imp configuaration, nothing makes any difference. The webserver
seems to be processing *something* in message.php, timing out, and then
going ahead and sending the message.
At this point I would be happy to hear any ideas someone might have.
I’ve set php to E_ALL for logging, nothing appears in the webserver
access or error logs beyond the http exchange.
do you see a pattern in the users who have this issue, like having a
certain locale?
--
Ralf Lang
Linux Consultant / Developer
Tel.: +49-170-6381563
Mail: l...@b1-systems.de
B1 Systems GmbH
Osterfeldstraße 7 / 85088 Vohburg / http://www.b1-systems.de
GF: Ralph Dehner / Unternehmenssitz: Vohburg / AG: Ingolstadt,HRB 3537
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--
Jan Schneider
The Horde Project
https://www.horde.org/
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