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    icon2.gif   Re: Old attachments erroneously appearing on new Elog entries., posted by Stefan Ritt on Fri Jul 26 13:01:54 2024 

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

    icon2.gif   Re: Old attachments erroneously appearing on new Elog entries., posted by Stefan Ritt on Fri Jul 26 14:09:19 2024 

I updated the EL9 rpms, so please try again.

    icon2.gif   Re: Invalid Content-Length in header when running behind a load balancer, posted by Stefan Ritt on Wed Jul 31 14:22:52 2024 

I changed elog to interprete the content-length header case in-sensitive and committed the change. Can you try again?

Stefan

André wrote:

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

 

 

 

    icon2.gif   Re: Looking for version update advice, posted by Stefan Ritt on Wed Sep 25 13:17:06 2024 

If 3.1.4 runs safely on your laptop, there should be no problem to update the 2.9.2 one. But first do it on a copy of your logbooks from the at-sea. The get converted automatically into a newer format but that should be transparent.

On the other hand you don't really need a new system if your old installation works fine and you don't need any of hte new features.

The changelog ist here: https://elog.psi.ch/elog/download/ChangeLog

Stefan

Patrick Upson wrote:

I've inherited a position that includes deploying elog for an at-sea mission. Once at sea there's no gauntee of internet connection so I have to be sure things are going to work before hand. The machines I currently have (we have several backup machines) are running elog version 2.9.2 and I'm looking for a change log, or feature list to determine if it's safe to update the at-sea laptops to the latest version of elog.

On one hand, I could leave things as they are and I'm sure it will just work, on the other hand, I hate seeing things get out of date to the point that something just stops working some day and there's no ability to get support for old software.

I'm already running elog 3.1.4 on my personal machine I use for configuration development and testing and it seems to work well. The config file is pretty simple and seems to work with 2.9.2 on the at-sea machines, but I don't want to run into any suprises if there ends up being a compatibility issue at sea.

 

    icon2.gif   Re: elog sprintf() buffer overflows on ubuntu-22, posted by Stefan Ritt on Wed Sep 25 13:19:29 2024  
> I get the following compiler warnings about sprintf() buffer overflows. I suggest sprintf() should be replaced by std::string msprintf() from 
> midas. K.O.

I started to convert some sprintf() to snprintf(), but I still have 824 cases to go... Ideally, all should be converted to std::string. Will be some job for my retirement ;-)

Stefan
    icon2.gif   Re: choosing the default font ? , posted by Stefan Ritt on Fri Nov 15 09:55:11 2024 

Check elog/themes/default/elog.css and look for font-family.

If you just want the elog entries in monospaced font, you can swith to "plain" encoding at the bottom of the entry form. You can also make this a default (check the docu).

Stefan

Pavel Murat wrote:

Dear All,

is there a way to choose the default "style" for the HTML encoding ? - I'd like to set it to "Typewriter" but couldn't find the corresponding option in the available docs/ sample config files...

-- many thanks, regards, Pasha

 

    icon2.gif   Re: Global change of links, posted by Stefan Ritt on Fri Dec 6 10:58:57 2024 

You would have to access the raw elgo database files (which are pure ASCII files) and write some script which goes through all files and changes the URLs. 

Stefan

Dr Marta Divall wrote:

Dear All, 

 We have been using the ELOG for several years and had inserted hyper-links instead of whole files in order to save storage space. From this month our server is moved to a new location with a new address. Is there a way for me to retrospectivelly replace all addresses with the new server file pass?

Thanks in advance, 

Best regards,

 Marta

 

    icon2.gif   Re: Probleme TLS, posted by Stefan Ritt on Fri Dec 6 10:59:52 2024 

TSL is not implemented in ELOG. Maybe I find time some day to do that, but if we have any volunteers in our community who could help me with that I would appreciate.

Stefan

Olivier MARTIN wrote: 
Hello,
I would like to notify by email as soon as an entry is created or modified.
I declared my SMTP which uses TLS security.
The following error message appears : Erreur d'envoi de mail via "smtp.xxxx.xxx.xxx.fr": 5.7.0 Must issue a STARTTLS command first
Is there a solution ?

 

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