What i could see from the stack trace that you have given is that your presentation layer probably jsp is trying to hit a java class "UtilTimerStack" and this class or the binary file containing this class file (probably jar) is not in the class path
Is this class "UtilTimerStack" in any 3rd party jar or your custom written util jar or is it part of the same binary file you deployed.?
If its anything other than the same binary file then i guess it should be the class path definition of your web application that is causing this.
Well, I doubted that the problem is because of missing file in classpath or even the wrong path. But anyhow, I double checked it, and I was correct.
UtilTimerStack.class is defined in xwork-core-2.1.5.jar, and it's available in WEB-INF/lib.
By the way, everything is working like a clock in our development workspace. The problem is out there when it's deployed!
Okay so i guess as a next step could you try to put the xwork-core-2.1.5.jar in the application server's lib folder instead of the application's lib folder.
This is just to check if the class is getting picked up.
Thanks & Regards,
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