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Hermes SMTP Server) with ESMTPA ID 4893bb7abbb269e442b4dd5e1ebc80a3; Sat, 07 Mar 2026 02:34:09 +0000 (UTC) Content-Type: multipart/alternative; boundary="------------aYjTCTXZ7AJkDuSNuQTMEE0b" Message-ID: Date: Fri, 6 Mar 2026 21:34:08 -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: 12996 This is a multi-part message in MIME format. --------------aYjTCTXZ7AJkDuSNuQTMEE0b Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Tim, We are almost there. your wiki post was really great but I have run into a little problem. after I ran the script, apache came up beautifully, and javamonitor status shows: ● javamonitor.service - WebObjects/Wonder JavaMonitor      Loaded: loaded (/usr/lib/systemd/system/javamonitor.service; disabled; preset: enabled)      Active: active (running) since Fri 2026-03-06 20:42:10 EST; 47min ago However, when I try to add a host 127.0.0.1 I get Failed to contact localhost-1085 did I miss something? Ted ted@ted-Virtual-Machine:~$ sudo systemctl status javamonitor ● javamonitor.service - WebObjects/Wonder JavaMonitor      Loaded: loaded (/usr/lib/systemd/system/javamonitor.service; disabled; preset: enabled)      Active: active (running) since Fri 2026-03-06 20:42:10 EST; 47min ago        Docs: https://wiki.wocommunity.org/display/documentation/Wonder+JavaMonitor+and+wotaskd    Main PID: 9579 (java)       Tasks: 45 (limit: 4612)      Memory: 123.2M (peak: 129.9M)         CPU: 8.430s      CGroup: /system.slice/javamonitor.service              └─9579 java -DWORootDirectory=/opt/webobjects -DWOLocalRootDirectory=/opt/webobjects/Local -DWOUserDirectory=/ -DWOEnvClassPath= -DWOApplicationClass=com.webobjects.monitor.application.Application -DWOP> Mar 06 20:42:10 ted-Virtual-Machine systemd[1]: Started javamonitor.service - WebObjects/Wonder JavaMonitor. Mar 06 20:42:10 ted-Virtual-Machine JavaMonitor[9579]: Reading UNIXClassPath.txt ... Mar 06 20:42:10 ted-Virtual-Machine JavaMonitor[9579]: Launching JavaMonitor.woa ... Mar 06 20:42:10 ted-Virtual-Machine JavaMonitor[9579]: java -DWORootDirectory="/opt/webobjects" -DWOLocalRootDirectory="/opt/webobjects/Local" -DWOUserDirectory="/" -DWOEnvClassPath="" -DWOApplicationClass=com.webob> lines 1-15/15 (END) 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 >> --------------aYjTCTXZ7AJkDuSNuQTMEE0b Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit

Tim,

We are almost there. your wiki post was really great but I have run into a little problem. after I ran the script, apache came up beautifully, and javamonitor status shows:
● javamonitor.service - WebObjects/Wonder JavaMonitor
     Loaded: loaded (/usr/lib/systemd/system/javamonitor.service; disabled; preset: enabled)
     Active: active (running) since Fri 2026-03-06 20:42:10 EST; 47min ago

However, when I try to add a host 127.0.0.1 I get Failed to contact localhost-1085

did I miss something?

Ted

ted@ted-Virtual-Machine:~$ sudo systemctl status javamonitor
● javamonitor.service - WebObjects/Wonder JavaMonitor
     Loaded: loaded (/usr/lib/systemd/system/javamonitor.service; disabled; preset: enabled)
     Active: active (running) since Fri 2026-03-06 20:42:10 EST; 47min ago
       Docs: https://wiki.wocommunity.org/display/documentation/Wonder+JavaMonitor+and+wotaskd
   Main PID: 9579 (java)
      Tasks: 45 (limit: 4612)
     Memory: 123.2M (peak: 129.9M)
        CPU: 8.430s
     CGroup: /system.slice/javamonitor.service
             └─9579 java -DWORootDirectory=/opt/webobjects -DWOLocalRootDirectory=/opt/webobjects/Local -DWOUserDirectory=/ -DWOEnvClassPath= -DWOApplicationClass=com.webobjects.monitor.application.Application -DWOP>

Mar 06 20:42:10 ted-Virtual-Machine systemd[1]: Started javamonitor.service - WebObjects/Wonder JavaMonitor.
Mar 06 20:42:10 ted-Virtual-Machine JavaMonitor[9579]: Reading UNIXClassPath.txt ...
Mar 06 20:42:10 ted-Virtual-Machine JavaMonitor[9579]: Launching JavaMonitor.woa ...
Mar 06 20:42:10 ted-Virtual-Machine JavaMonitor[9579]: java -DWORootDirectory="/opt/webobjects" -DWOLocalRootDirectory="/opt/webobjects/Local" -DWOUserDirectory="/" -DWOEnvClassPath="" -DWOApplicationClass=com.webob>
lines 1-15/15 (END)

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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