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From Mark Thomas <>
Subject Re: Intermittent JSP Caching/Compiling Issue while under load
Date Tue, 05 Nov 2019 08:01:21 GMT
On 05/11/2019 02:51, Tim K wrote:


> The cached JSP actually survives a tomcat restart because the work
> directory still contains the cached JSP content even though the timestamp
> of the class/java files appear to match that of the latest JSP file's
> content.

Ah. That is useful new information. It rules out the non-volatile field
issue I found yesterday as the root cause (the issue has been fixed
anyway for the next round of releases). I'll take another look at the

This looks like some sort of concurrency issue. In your test
environment, how likely is it that:
- there are concurrent (or at least very close together) changes to a
- that there are concurrent requests for a modified JSP?

Also, what process are you using to update the JSP content?


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