Hi Doug,

On Sep 23, 2008, at 12:19 PM, doug andrews wrote:

Still in need of help-

I took your advice and made a build specifically for this site using java 1.5 and the latest xcode and wo.
I am still having this problem.
We have one instance of our application that is causing each processor to spike to over 90 percent of its cpu capacity. When this happens, one random user will get the 'instance not available'.

Have you gotten a thread dump from such a run away instance?
http://www.gvcsitemaker.com/gvc.webobjects/faq&mode=single&recordID=41413

Is that one specific instance, or just randomly one of them? If one specific, what is different about it?



This only happens when someone upgrades to WO 5.4.2 or 5.4.3.
Tiger machines running WO 5.3.x have no problems.

Are the machines upgraded to WO 5.4 running a copy of the app compiled against the same version of WO?



These are intel machines running OS 10.5.x.

Does anyone know of any changes made in WO 5.4.x (or OS 10.5.x) that could cause this?

Not off hand.

Chuck



On Aug 25, 2008, at 3:22 PM, Mike Schrag wrote:

No, they were built using Xcode and WO 5.3.3.
This is a really bad idea ... I would never deploy on a version that's different than development. It's just asking for problems. While it MAY work, you're just playing roulette with your app. Either 1) replace 5.4 with 5.3 on that server, 2) rebuild your app with WO 5.3 embedded, or 3) Setup a proper 5.4.2 build and development environment and rebuild and test your app in 5.4.2.

ms

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--
Chuck Hill             Senior Consultant / VP Development

Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems.
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