Re: Scheduler Error

Subject: Re: Scheduler Error
From: Chuck Hill <email@hidden>
Date: Fri, 18 Aug 2006 13:48:04 -0700
Delivered-to: email@hidden
Delivered-to: email@hidden


On Aug 18, 2006, at 1:14 PM, Sacha Michel Mallais wrote:

On Aug 18, 2006, at 1:03 PM, Jonathan Miller wrote:
Mysteriously, one of the two applications running on my server started to hiccup and then finally quit today.
I'm running OS X 10.4.7 on XServe
I'm getting the following error in the log file:
Info: <WebObjects Apache Module> new request: /cgi-bin/WebObjects/ vxAdmin.woa/wa/default Debug: App Name: vxAdmin.woa/wa/default (7) Info: V4 URL: /cgi-bin/WebObjects/vxAdmin.woa/wa/default Info: tr_selectInstance(): scheduler failed to select instance. Error: Request handling error: The requested application was not found on this server.

In WebObjects Monitor it shows that the instance was started but I cannot connect to it either through apache or directly.
Is there any chance you have accidentally renamed the application and are using an old URL? Another option is to try restarting wotaskd, since it appears that wotaskd can both see (Monitor) and not see (log extract) your app.

That app may also be deadlocked. This is a particular problem if it is not dispatching requests concurrently.

See http://www.gvcsitemaker.com/gvc.webobjects/ faq&mode=single&recordID=41413&nextMode=list

Another weird symptom is the only way to stop the application is to delete the instance ( I saw someone else had a similar issue). Does anyone have a solution?
This happens more often than WO developers would like to admit. Deleting the instance is not the recommended way to stop an app that isn't stopping from Monitor. Instead, use the command line: lsof/ps and kill (search the archives for exactly how to use those).

There is also a Force Quit option on the configuration page for each individual instance. That can save you a trip to the command line.

Chuck

--

Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/products/practical_webobjects

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References:  
  >re: Scheduler Error (From: Jonathan Miller <email@hidden>)
  >Re: Scheduler Error (From: Sacha Michel Mallais <email@hidden>)




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References:
	>re: Scheduler Error (From: Jonathan Miller <email@hidden>)
	>Re: Scheduler Error (From: Sacha Michel Mallais <email@hidden>)