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Hermes SMTP Server) with ESMTPA ID 8da6fe841d15bc05a199249c30eee180; Thu, 05 Mar 2026 16:29:05 +0000 (UTC) Content-Type: multipart/alternative; boundary="------------Z4ayG2TqKmkBtUp3TkiPxwp8" Message-ID: <639f0ffa-daa7-4bda-b981-b62fe971f59b@yahoo.com> Date: Thu, 5 Mar 2026 11:29:04 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [WO-DEV] Re: Help with Apache mod issues To: WebObjects & WOnder Development References: Content-Language: en-US In-Reply-To: X-Mailer: WebService/1.1.25198 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Content-Length: 9064 This is a multi-part message in MIME format. --------------Z4ayG2TqKmkBtUp3TkiPxwp8 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Thank you for all that work on the wiki I am creating a Hyper-v instance to work this out. Thanks again Ted On 3/4/26 6:48 PM, D Tim Cummings wrote: > > You need to use prefork version of Apache. See deploy instructions on > > https://wiki.wocommunity.org/xwiki/bin/view/documentation/Home/Deployment/Platforms/Deploying%20on%20Linux/Deploying%20on%20Ubuntu%2022.04/ > > sudo apt install apache2 > sudo a2dismod mpm_event > sudo a2enmod mpm_prefork > > Cheers > > Tim > > On 5/03/2026 02:59, Jason Coffin wrote: >> Hello all! >> >> I'm looking for help diagnosing an issue that we are seeing in a WebObjects production environment. I'm not the developer on the project, I'm the devops person and I know little about WebObjects. >> >> Here is our stack: >> >> Ubuntu version 20.04.1 >> Apache version 2.4.41 >> Project Wonder version 7.5-SNAPSHOT >> WebObjects version 5.4.3 >> >> About once a day the Apache mod seems to stop working and no longer routes traffic to the WebObjects application. Restarting Apache solves the issue until it crops up again. The Apache error logs show these errors, in the given order, and they repeat several times: >> >> lock_file_section(): failed to lock (1 attempts): Resource deadlock avoided >> ac_readConfiguration: WOShmem_lock() failed. Skipping reading config. >> >> Any idea what could be causing this issue? Should we be using a different version of Apache or the WebObjects mod? >> >> We are also considering alternative methods for hosting the WebObjects application. Should we consider removing the Apache mod requirement entirely? >> >> Thank you kindly! >> >> Jason Coffin >> >> ############################################################# >> This message is sent to you because you are subscribed to >> the mailing list. >> To unsubscribe, E-mail to: >> To switch to the DIGEST mode, E-mail to >> To switch to the INDEX mode, E-mail to >> Send administrative queries to >> --------------Z4ayG2TqKmkBtUp3TkiPxwp8 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit

Thank you for all that work on the wiki

I am creating a Hyper-v instance to work this out.

Thanks again

Ted

On 3/4/26 6:48 PM, D Tim Cummings wrote:

You need to use prefork version of Apache. See deploy instructions on

https://wiki.wocommunity.org/xwiki/bin/view/documentation/Home/Deployment/Platforms/Deploying%20on%20Linux/Deploying%20on%20Ubuntu%2022.04/

sudo apt install apache2
sudo a2dismod mpm_event
sudo a2enmod mpm_prefork

Cheers

Tim

On 5/03/2026 02:59, Jason Coffin wrote:
Hello all!

I'm looking for help diagnosing an issue that we are seeing in a WebObjects production environment. I'm not the developer on the project, I'm the devops person and I know little about WebObjects.

Here is our stack:

Ubuntu version 20.04.1
Apache version 2.4.41
Project Wonder version 7.5-SNAPSHOT
WebObjects version 5.4.3

About once a day the Apache mod seems to stop working and no longer routes traffic to the WebObjects application. Restarting Apache solves the issue until it crops up again. The Apache error logs show these errors, in the given order, and they repeat several times:

lock_file_section(): failed to lock (1 attempts): Resource deadlock avoided
ac_readConfiguration: WOShmem_lock() failed. Skipping reading config.

Any idea what could be causing this issue? Should we be using a different version of Apache or the WebObjects mod? 

We are also considering alternative methods for hosting the WebObjects application. Should we consider removing the Apache mod requirement entirely?

Thank you kindly!

Jason Coffin

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