webobjects-dev@wocommunity.org Mailing List Archive

Thank you! We will give that a try. On Wed, Mar 4, 2026, at 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 <webobjects-dev@wocommunity.org>. >> To unsubscribe, E-mail to: <webobjects-dev-off@wocommunity.org> >> To switch to the DIGEST mode, E-mail to <webobjects-dev-digest@wocommunity.org> >> To switch to the INDEX mode, E-mail to <webobjects-dev-index@wocommunity.org> >> Send administrative queries to <webobjects-dev-request@wocommunity.org> >>