losing application variables in CF8

Forum|Forum|15 years ago
December 9, 2010
2 replies
2206 views

I have the following issue. My application has a single application.cfc (no application.cfm). Application variables are consistently "disappearing," i.e., becoming undefined. This is generating runtime errors after minimal user activity. If the server is rebooted, the variables persist for a very short time (a few minutes) and then are undefined again.At what time the variables "disappear" appears to be random.

The server is a ColdFusion Enterprise server (CF 8).

Does anyone know why application variables would suddenly go from being defined to undefined within the same user visit? Is there any "side effect" of built-in CF functions or tags which could cause this behavior unexpectedly?

Thanks.

This topic has been closed for replies.

A

Adam Cameron.

Inspiring

In short: nope.

Do you any stray Application.cf(c|m) files around?

Are you doing some sort of "variable clearance" that might not consider "pass by reference" issues, or something?

Hard to tell.

--

Adam

A

ashtonwilkinsAuthor

Participating Frequently

There is only one application.cfc. No other application.* file. We did a search of all directories.

I don't understand the second question about variable clearance, but if you mean this: (1) we have a struct; (2) we pass it to a function; (3) the function clears it, then no, that's not happening. I understand struct's are passed as references in CF, so we aren't doing that. We never clear out the application struct.

R

recursivecodes

Participating Frequently

And you're absolutely certain that the server isn't crashing/restarting without your knowledge? I'd try Josh's suggestion. I'd also put some logging in onApplicationEnd. I'd also check my application/exception/server logs.

J

Joshua_Cyr

Participating Frequently

Do you have an application name that is also used by another website on the

same server perhaps? Try making it very unique.

A

ashtonwilkinsAuthor

Participating Frequently

Good idea, but this is the ONLY application on the server. And the name is very unique. Any other ideas? Also, even when usage is restricted to is restricted to a single user, the issue arises.

R

recursivecodes

Participating Frequently

Could you be setting application variables outside of the Application.cfc and the application times out? If so the variable will become undefined until the other template runs and sets it. What is your app timeout? How heavily trafficed is the app?

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