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ID Date Icon Author Author Email Category OS ELOG Version Subject
  69815   Fri Jul 26 14:09:19 2024 Reply Stefan Rittstefan.ritt@psi.chBug reportLinuxV3.1.5-23df00dRe: Old attachments erroneously appearing on new Elog entries.

I updated the EL9 rpms, so please try again.

  69814   Fri Jul 26 13:14:38 2024 Reply Carl Unsworthcarl.unsworth@stfc.ac.ukBug reportLinuxV3.1.5-23df00dRe: Old attachments erroneously appearing on new Elog entries.

Thanks very much for the quick response Stefan. My apologies, I thought I was on the latest version or I would have upgraded before contacting you.
The file I installed from was the rpm "elog-3.1.5-20240226.el9.x86_64.rpm" which still seems to be the latest version on the Dropbox downloads page.
Do I need to use the tar distribution to get the latest?

Stefan Ritt wrote:

This bug has been fixed in meantime, please upgrade to the current version.

 

  69813   Fri Jul 26 13:01:54 2024 Reply Stefan Rittstefan.ritt@psi.chBug reportLinuxV3.1.5-23df00dRe: Old attachments erroneously appearing on new Elog entries.

This bug has been fixed in meantime, please upgrade to the current version.

  69812   Fri Jul 26 12:53:23 2024 Question Carl Unsworthcarl.unsworth@stfc.ac.ukBug reportLinuxV3.1.5-23df00dOld attachments erroneously appearing on new Elog entries.

Hi, I'm not sure if this is an Elog bug, something wrong in my configuration/database.

When I create a new article on Elog it always shows an attachment from one of the first entries ever made to this log book made. This is in addition to any attachments which were actually added during article creation.

I just made an example entry to demonstrate. First attachment here shows how the entry looks in the GUI, it has an attached text file called "jail.local", 2nd attachment is how that entry looks in the database file - no attachment.

Does anyone have any idea what's happening?

Attachment 1: Screenshot_from_2024-07-26_11-46-44.png
Screenshot_from_2024-07-26_11-46-44.png
Attachment 2: Screenshot_from_2024-07-26_11-47-58.png
Screenshot_from_2024-07-26_11-47-58.png
  69811   Fri Jul 26 12:52:54 2024 Entry Carl Unsworthcarl.unsworth@stfc.ac.ukBug reportLinuxV3.1.5-23df00dOld attachments erroneously appearing on new Elog entries.

Hi, I'm not sure if this is an Elog bug, something wrong in my configuration/database.

When I create a new article on Elog it always shows an attachment from one of the first entries ever made to this log book made. This is in addition to any attachments which were actually added during article creation.

I just made an example entry to demonstrate. First attachment here shows how the entry looks in the GUI, it has an attached text file called "jail.local", 2nd attachment is how that entry looks in the database file - no attachment.

Does anyone have any idea what's happening?

Attachment 1: Screenshot_from_2024-07-26_11-46-44.png
Screenshot_from_2024-07-26_11-46-44.png
Attachment 2: Screenshot_from_2024-07-26_11-47-58.png
Screenshot_from_2024-07-26_11-47-58.png
  69809   Wed Jul 24 17:21:45 2024 Reply Aled Isaacc.a.isaac@swnsea.ac.ukInfoWindowsELOG V3.1.4-a04Re: Elog/ImageMagick under windows 11

I've managed to get it working and the problem wasn't what I thought it was.  It turns out that ImageMagick v7 doesn't have a "convert.exe" program in the windows version due to some conflict with a disk conversion utility.  The "convert.exe" has been replaced with a "magick.exe" and so I made a CONVERT.BAT script within the elog folder with content "magick %*".  This workaround appears to have solved the problem.

Aled Isaac wrote:

I was wondering if anyone would be able to assist me in getting the ImageMagick/figure scaling working on an elog running under windows 11 (Microsoft Windows Version 22H2 (OS Build 22621.3880)).   I've followed the installation instructions and checked that $PATH contains the directory for both ImageMagick and GSS.  In a 'command prompt' window, when I execute "identify -version" from any directory I get the response:

 

Version: ImageMagick 7.1.1-35 Q16-HDRI x64 d775d2a:20240714 https://imagemagick.org
Copyright: (C) 1999 ImageMagick Studio LLC
License: https://imagemagick.org/script/license.php
Features: Channel-masks(64-bit) Cipher DPC HDRI Modules OpenCL OpenMP(2.0)
Delegates (built-in): bzlib cairo flif freetype gslib heic jng jp2 jpeg jxl lcms lqr lzma openexr pangocairo png ps raqm raw rsvg tiff webp xml zip zlib
Compiler: Visual Studio 2022 (194033811)

 

which I believe is correct.  I've looked through the source-code for the elog and I believe that upon initialisation elogd is looking for a response containing "ImageMagick" somewhere in the response [image_magick_exist = (strstr(str, "ImageMagick") != NULL);] so I'm not sure I understand why this isn't being satisfied.  When I run elogd I get the statement "ImageMagick NOT detected. Image scaling will not work.".

I have the feeling that this is some security restriction in windows 11, so was wondering if anyone had seen this problem before and knew of a solution.

Many Thanks

 

 

  69808   Mon Jul 22 16:30:04 2024 Reply Andréandre.althaus@tu-dortmund.deBug reportLinux3.1.4-3Re: Invalid Content-Length in header when running behind a load balancer

I have the same problem. I found a temporary solution: https://elog.psi.ch/elogs/Forum/69807

Tamas Gal wrote:

I put the ELOG service behind an Apache reverse proxy which is now sitting behind the HAProxy. It works like this, but it's just a workaround. I am pretty sure that ELOG has problems to communicate with HAProxy correctly and it seems that Apache is more forgiving. So that the chain HAProxy -> Apache -> ELOG and vice versa is working.

If anyone manages to figure out what's wrong, I am happy to get rid of the extra reverse proxy layer!

Tamas Gal wrote:

I am still struggling to get ELOG running behind a load balancer and hope to get some advice here. As already reported in https://elog.psi.ch/elogs/Forum/69542 I observed an infinite loop of redirects when prompted to log in and using a non-empty password file. Without a password, the service worked as expected. This was with version 3.1.3.

With the new version 3.1.4-3, I get another error: "Invalid Content-Length in header" when I click on "submit" of a new post. Viewing the logbooks works fine. The instance is currently live and running here: https://elog.test.km3net.de but I might change it anytime due to debugging etc.

This is a kind of difficult thing to debug (I spent the whole day and no progress). The only thing I've found was this post: https://techcommunity.microsoft.com/t5/iis-support-blog/invalid-content-length/ba-p/3038724 where it seems that some responses are not RFC conform and were rejected in the load-balancer.

The load balancer I use is HAProxy, the same as in my old setup where I got the infinite redirects, and I can't find any setting which would work. To my understanding, the most basic setup should work just fine. The SSL termination is on the load-balancer side so ELOG doesn't even have to know anything about it. The configuration is below. I am running a single instance, so there is not even replication with session keep-alive via cookies or anything fancy.

I also want to mention that I am runnin around 30 different services behind the load balancer and none of them are having any issues with the SSL termination or the load-balancing itself, that's why assume that something in ELOG is either non-conform or buggy.

Any thoughts? I'd really like to use the same infrastructure for the ELOG service as for every other service (automatic certificate renewal via letsencrypt, load-balancing, easy movement to other nodes, SSL termination etc.), to minimise the complexity of our Docker Swarm system.

backend be_elog.km3net.de
    mode http
    server-template km3net-elog- 1 km3net-elog_elog:8080 check resolvers docker init-addr libc,none

 

Btw. I am running ELOG with -v but I don't see any error whatsoever in the logs:

km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | GET /demo/ HTTP/1.1
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | Received unknown cookie "ios_specific_templates_id"
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | Received unknown cookie "rl_anonymous_id"
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | Received unknown cookie "rl_group_id"
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | Received unknown cookie "rl_group_trait"
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | Received unknown cookie "rl_trait"
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | Received unknown cookie "rl_user_id"
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | Received unknown cookie "logged_out_marketing_header_id"
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | Returned 3437 bytes
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | GET / HTTP/1.1
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | Returned 120 bytes
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | GET /demo/ HTTP/1.1
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | Returned 3518 bytes
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | GET / HTTP/1.1
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | Returned 120 bytes
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | GET /demo/ HTTP/1.1
km3net-elog_elog.1.fm8i1eia9l9t@ecap-s021    | Returned 3518 bytes

 

 

  69807   Mon Jul 22 16:17:55 2024 Entry Andréandre.althaus@tu-dortmund.deBug reportAll3.1.5HTTP headers should be parsed case insensitive

I'm trying to run elog behind haproxy, but get the error "Invalid Content-Length in header" on posting.

As stated in the manual, haproxy rewrites all headers to lower case.

elogd parses the content-length header case sensitive which is against the HTTP RFC. This might also apply to other headers that get parsed.

For now I'm using the workaround from the manual:

global
  h1-case-adjust content-length Content-Length
  h1-case-adjust content-type Content-Type

backend elog
  option h1-case-adjust-bogus-server
  server elog 127.0.0.1:8080

But as the manual states, this should not be  used as a permanent solution.

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