-Original Message-
From: Willy Tarreau [mailto:w...@1wt.eu]
Sent: Tuesday, September 20, 2011 10:31 AM
To: Sachin Shetty
Cc: 'Cassidy, Bryan'; haproxy@formilux.org; 'Amrit Jassal'
Subject: Re: Apache translates 500 to 502 from haproxy
Hi Sachin,
On Mon, Sep 19, 2011 at 01:47:28PM +0530, Sachin
Message-
From: Sachin Shetty [mailto:sshe...@egnyte.com]
Sent: Wednesday, June 15, 2011 5:23 PM
To: 'Willy Tarreau'
Cc: 'Cassidy, Bryan'; 'haproxy@formilux.org'
Subject: RE: Apache translates 500 to 502 from haproxy
tried with option http-server-close instead of option httpclose - no luck it
does
Hi Sachin,
On Mon, Sep 19, 2011 at 01:47:28PM +0530, Sachin Shetty wrote:
Hey Willy,
So we are now hit by the side effect of this fix i.e. disabling httpclose.
Two problems:
1. Entries in the log are missing, I guess you already warned me about it.
Do you think if we disable keep
...@1wt.eu]
Sent: Wednesday, June 15, 2011 11:08 AM
To: Sachin Shetty
Cc: 'Cassidy, Bryan'; haproxy@formilux.org
Subject: Re: Apache translates 500 to 502 from haproxy
On Tue, Jun 14, 2011 at 06:16:23PM +0530, Sachin Shetty wrote:
man
We already had option httpclose in our config
On Wed, Jun 15, 2011 at 12:11:58PM +0530, Sachin Shetty wrote:
I also think apache is the issue. I think we have a few mischievous modules
like mod_rpaf that I need to disable and test. I will keep you posted.
For now do you see any severe problem if I disabe httpclose as a workaround?
As I
Subject: Re: Apache translates 500 to 502 from haproxy
On Wed, Jun 15, 2011 at 12:11:58PM +0530, Sachin Shetty wrote:
I also think apache is the issue. I think we have a few mischievous
modules
like mod_rpaf that I need to disable and test. I will keep you posted.
For now do you see any severe
On Wed, Jun 15, 2011 at 01:09:13PM +0530, Sachin Shetty wrote:
Does disabling httpclose also mean that haproxy will not even log subsequent
requests on the same connection?
Exactly. But that's only an issue if that ever happens.
Willy
: 'Cassidy, Bryan'; haproxy@formilux.org
Subject: Re: Apache translates 500 to 502 from haproxy
On Wed, Jun 15, 2011 at 12:11:58PM +0530, Sachin Shetty wrote:
I also think apache is the issue. I think we have a few mischievous
modules
like mod_rpaf that I need to disable and test. I will keep you posted
On Tue, Jun 14, 2011 at 11:25:19AM +0530, Sachin Shetty wrote:
Hey Willy,
We have 1.4.11 - so how do we use the workaround - This is already in prod
and I need to work around it before we can get to the root cause.
The workaround is part of the code, so you're hitting a different issue
I
Hey Willy,
tcpdump would be fine?
Thanks
Sachin
-Original Message-
From: Willy Tarreau [mailto:w...@1wt.eu]
Sent: Tuesday, June 14, 2011 12:14 PM
To: Sachin Shetty
Cc: 'Cassidy, Bryan'; haproxy@formilux.org
Subject: Re: Apache translates 500 to 502 from haproxy
On Tue, Jun 14, 2011
On Tue, Jun 14, 2011 at 12:22:03PM +0530, Sachin Shetty wrote:
Hey Willy,
tcpdump would be fine?
Yes, for instance :
tcpdump -s0 -npi eth0 port 80 -w trace1.cap
Please note that -s0 is very important otherwise packets will be truncated.
Regards,
Willy
On Tue, Jun 14, 2011 at 01:09:12PM +0530, Sachin Shetty wrote:
here is the tcp dump containing that precise request:
tcpdump -s0 -npi lo port 9910 -w trace1.cap
There is nothing abnormal there, the response was complete and not truncated.
The connection was eventually closed before all of the
On Tue, Jun 14, 2011 at 02:14:15PM +0530, Sachin Shetty wrote:
I looked at all the apache modules we have and haven't seen anything glaring
there.
Attached tcpdump from cherrypy server when Apache is bypassing haproxy and
forwarding to cherrypy directly. Obviously cherrypy does it in order,
: Re: Apache translates 500 to 502 from haproxy
On Tue, Jun 14, 2011 at 02:14:15PM +0530, Sachin Shetty wrote:
I looked at all the apache modules we have and haven't seen anything
glaring
there.
Attached tcpdump from cherrypy server when Apache is bypassing haproxy and
forwarding to cherrypy
On Tue, Jun 14, 2011 at 04:27:00PM +0530, Sachin Shetty wrote:
Yeah, I understand.
So what could we do? I am really stuck with this and not able to figure out
any workaround either.
I really have no idea, because the server already replies before the
data are sent. Maybe you could disable
?
Thanks
Sachin
-Original Message-
From: Willy Tarreau [mailto:w...@1wt.eu]
Sent: Tuesday, June 14, 2011 5:15 PM
To: Sachin Shetty
Cc: 'Cassidy, Bryan'; haproxy@formilux.org
Subject: Re: Apache translates 500 to 502 from haproxy
On Tue, Jun 14, 2011 at 04:27:00PM +0530, Sachin Shetty wrote
On Tue, Jun 14, 2011 at 06:16:23PM +0530, Sachin Shetty wrote:
man
We already had option httpclose in our config and removing it fixed it. We
haven't tweaked any configs for a few months, I dont even know why we had
this in the first place :)
I read through the documentation, I dont
Willy Tarreau w at 1wt.eu writes:
On Fri, Jun 10, 2011 at 04:41:08PM +0530, Manoj Kumar wrote:
Hi,
We are forwarding specific requests from apache to haproxy which
interbally forwards it to a pool of cherry py servers. We have seen that
certain requests end up in 500 in haproxy and
Sachin Shetty sshetty@... writes:
I see a similar thread here, no solution though
https://forums.rightscale.com//showthread.php?t=210
: Sachin Shetty [mailto:sshe...@egnyte.com]
Sent: Monday, June 13, 2011 11:12 AM
To: haproxy@formilux.org
Subject: Re: Apache translates 500 to 502 from haproxy
Willy Tarreau w at 1wt.eu writes:
On Fri, Jun 10, 2011 at 04:41:08PM +0530, Manoj Kumar wrote:
Hi,
We are forwarding specific
-
From: Sachin Shetty [mailto:sshe...@egnyte.com]
Sent: Monday, June 13, 2011 11:12 AM
To: haproxy@formilux.org
Subject: Re: Apache translates 500 to 502 from haproxy
Willy Tarreau w at 1wt.eu writes:
On Fri, Jun 10, 2011 at 04:41:08PM +0530, Manoj Kumar wrote:
Hi,
We are forwarding
On Tue, Jun 14, 2011 at 12:28:55AM +0530, Sachin Shetty wrote:
Hey Bryan,
I did check Cherrypy response by directly posting the same request via curl
and it looks ok to me.
A few interesting things are:
1. haproxy logs the response as 401 correctly - its apache which is calling
haproxy
-
From: Willy Tarreau [mailto:w...@1wt.eu]
Sent: Tuesday, June 14, 2011 11:03 AM
To: Sachin Shetty
Cc: 'Cassidy, Bryan'; haproxy@formilux.org
Subject: Re: Apache translates 500 to 502 from haproxy
On Tue, Jun 14, 2011 at 12:28:55AM +0530, Sachin Shetty wrote:
Hey Bryan,
I did check Cherrypy
On Fri, Jun 10, 2011 at 04:41:08PM +0530, Manoj Kumar wrote:
Hi,
We are forwarding specific requests from apache to haproxy which
interbally forwards it to a pool of cherry py servers. We have seen that
certain requests end up in 500 in haproxy and cherry py logs which is ok
and understood,
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