On Mar 20, 2008, at 1:16 PM, Chuck Hill wrote:
On Mar 20, 2008, at 4:40 AM, Reid Bundonis wrote:
Dear List,
Years ago I ran into a similar problem that I never resolved. Was
wondering if anyone had a suggestion or if this simply is not
possible. First, the environment:
Server is OS X Server 10.4.6 (I know time to upgrade but 431 days
uptime is hard to abandon). It is running the Apple stock Apache
with WO. I am one of the dinosaurs so I am still using Xcode,
WOBuilder, EOModeler, etc under 10.4.11 to develop the
applications. Please don't chastise me :)
But, but I enjoy that! :-)
Chuck, I know. You've set me straight numerous times in the past :)
Thank you.
I have a component that I stripped the html, head, and body tags
from and then deployed it. I can hit it by doing http://server/Apps/WebObjects/Classes
. Everything works fine.
However, if I want to include that WO snippet into a
standard .shtml page, I get one of the two results:
If I do:
<!--#include virtual="/Apps/WebObjects/Classes" -->
I get, "No Instance Available." So at least I know that the WO
engine was hit. It is just not finding my deployed application.
Have you tried a more complete URL?
<!--#include virtual="/Apps/WebObjects/Classes.woa/wa/default" -->
I have done this years ago, and it works.
James Cicenia reminded me of this but that did not work either. I
still get the No Instance found or The requested application was not
found errors.
If that does not work:
sudo touch /tmp/logWebObjects
Then load that page a couple of times and look in
/tmp/WebObjects.log
You will then see what the woadaptor is attempting to dispatch.
That may show the source of "No Instance Available."
Also great advice. I created the file, stopped both Apache and WO and
then started them all backup again. On the first load, I got "No
Instance Available" as seen here:
Info: <WebObjects Apache Module> new request: /Apps/WebObjects/
Classes.woa/wa/default
Debug: App Name: Classes.woa/wa/default (7)
Info: V4 URL: /Apps/WebObjects/Classes.woa/wa/default
Info: Selected new app instance at index 9
Debug: Composed URL to '/Apps/WebObjects/Classes.woa/1/wa/default'
Info: New request is GET /Apps/WebObjects/Classes.woa/1/wa/default
INCLUDED
Info: Sending request to instance number 1, port 2010
Info: Trying to contact Classes:1 on (2010)
Info: Caching hostent for 209.210.211.212
Info: attempting to connect to 209.210.211.212 on port 2010
Info: Classes:1 on (2010) connected [pooled: No]
Info: Request GET /Apps/WebObjects/Classes.woa/1/wa/default INCLUDED
sent, awaiting response
Info: Reading configuration from
http://localhost:1085/WebObjects/wotaskd.woa/wa/woconfig
Info: attempting to connect to localhost on port 1085
Info: Preparing to read config for host: localhost
Info: New response: HTTP/1.0 200 Apple WebObjects
Debug: nonBlockingRecv(): recv() returned 0 (connection closed)
Info: retrying request due to connection reset
Info: attempting to connect to 209.210.211.212 on port 2010
Info: Classes:1 on (2010) connected [pooled: No]
Info: Request GET /Apps/WebObjects/Classes.woa/1/wa/default INCLUDED
sent, awaiting response
Debug: ac_readConfiguration(): skipped reading config
Debug: nonBlockingRecv(): recv() returned 0 (connection closed)
Info: Marking instance 1 dead
Warn: Marking 209.210.211.212:1 unresponsive
Debug: connectionAttempts = 1, retries = 10
Debug: ac_readConfiguration(): skipped reading config
Info: tr_selectInstance(): scheduler failed to select instance.
Info: No new instance located for failover
Error: Request handling error: No instance available
Then with Option key down and forcing a reload, I got the "The
requested application was not found on the server" error as seen here.
Info: <WebObjects Apache Module> new request: /Apps/WebObjects/
Classes.woa/wa/default
Debug: App Name: Classes.woa/wa/default (7)
Info: V4 URL: /Apps/WebObjects/Classes.woa/wa/default
Info: Selected new app instance at index 9
Debug: Composed URL to '/Apps/WebObjects/Classes.woa/1/wa/default'
Info: New request is GET /Apps/WebObjects/Classes.woa/1/wa/default
INCLUDED
Info: Sending request to instance number 1, port 2010
Info: Trying to contact Classes:1 on (2010)
Info: Caching hostent for 209.210.211.212
Info: attempting to connect to 209.210.211.212 on port 2010
Info: Classes:1 on (2010) connected [pooled: No]
Info: Request GET /Apps/WebObjects/Classes.woa/1/wa/default INCLUDED
sent, awaiting response
Info: Reading configuration from
http://localhost:1085/WebObjects/wotaskd.woa/wa/woconfig
Info: attempting to connect to localhost on port 1085
Info: Preparing to read config for host: localhost
Info: New response: HTTP/1.0 200 Apple WebObjects
Debug: nonBlockingRecv(): recv() returned 0 (connection closed)
Info: retrying request due to connection reset
Info: attempting to connect to 209.210.211.212 on port 2010
Info: Classes:1 on (2010) connected [pooled: No]
Info: Request GET /Apps/WebObjects/Classes.woa/1/wa/default INCLUDED
sent, awaiting response
Debug: ac_readConfiguration(): skipped reading config
Debug: nonBlockingRecv(): recv() returned 0 (connection closed)
Info: Marking instance 1 dead
Warn: Marking 209.210.211.212:1 unresponsive
Debug: connectionAttempts = 1, retries = 10
Debug: ac_readConfiguration(): skipped reading config
Info: tr_selectInstance(): scheduler failed to select instance.
Info: No new instance located for failover
Error: Request handling error: No instance available
Info: <WebObjects Apache Module> new request: /Apps/WebObjects/
Classes.woa/wa/default
Debug: App Name: Classes.woa/wa/default (7)
Info: V4 URL: /Apps/WebObjects/Classes.woa/wa/default
Info: tr_selectInstance(): scheduler failed to select instance.
Error: Request handling error: The requested application was not found
on this server.
As mentioned, I can hit this application with both the fqdn/Apps/
WebObjects/Classes and with fqdn/Apps/WebObjects/Classes.woa/wa/
default. Also, I have only one instance of the app currently running
and there are no deaths. From WOMonitor this is the start argument
for the app. I am not doing anything special other than defining the
path to the app and then letting it rip.
-WOPort 2010 -WOCachingEnabled YES -WODebuggingEnabled NO -
WOOutputPath /dev/null -WOAutoOpenInBrowser NO -
WOAutoOpenClientApplication NO -WOLifebeatInterval 30 -
WOLifebeatEnabled YES -WOLifebeatDestinationPort 1085 -WOAdaptor
WODefaultAdaptor -WOWorkerThreadCount 8 -WOListenQueueSize 128 -
WOWorkerThreadCountMin 16 -WOWorkerThreadCountMax 256 -
NSProjectSearchPath () -WOSessionTimeOut 3600 -WOApplicationName
Classes -WOMonitorEnabled YES -WONoPause YES
When hosting under 10.3 I recall doing the includes. Then a few years
ago I upgraded the hosting environment to 10.4 and then never resolved
it but also no longer needed it. This server is hosting 3 other WO
apps that are full projects and never need any attention.
The includes module is loaded in Apache as I am a heavy user of
includes. CGI execution and SSI are on for the virtual host and the
evil web performance cache is turned off.
Does the log show anything that I am missing? In both cases it is
marking the instance dead and the server unresponsive. But meanwhile
all other apps are running fine.
Thanks again for helping. Chuck, are you going to do a "Dealing with
Separation Anxiety - Moving Stubborn WO Developers Away from XCode"
session at WWDC this year?
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