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From Jacob Hookom <ja...@hookom.net>
Subject Re: tldCache oddities
Date Mon, 04 Dec 2006 16:08:44 GMT
Was there ever a condition where the listeners wouldn't run?

Remy Maucherat wrote:
> Hi,
>
> I tested JSF since some people said the listener wasn't being found 
> (the said listener is declared in a TLD which is in a JAR). I found it 
> worked very well, but the way it is handled is funny because of the 
> serialized cache:
> - Catalina will cache but will not bother when adding/removing JARs 
> (for example, if you have the cardemo example, you realize the JSF 
> JARs are not there, and after the first falied run, you add the JARs 
> in /WEB-INF/lib or lib; it is not going to work unless tldCache.ser is 
> deleted from the work dir; there's a last modified check, but 
> obviously it cannot detect this sort of changes, which is going to be 
> the most frequent), and could easily give the impression TLDs are not 
> properly found and parsed (note: the bahavior is the same with 5.5)
> - Jasper will reparse everything anyway, scanning all JARs in the 
> process ( :( )
>
> Avoiding scanning and parsing TLDs is of course faster, but I would 
> like to removing caching in Catalina (with a flag to enable it 
> explicitly), and add a feature where Catalina will pass an ArrayList 
> of JARs containing TLDs to Jasper as an attribute like the annotation 
> processor (if the attribute is not there, Jasper will rescan 
> everything, so it should remain compatible). This should make up for 
> the slowdown to some extent. Unfortunately, I cannot find a cool trick 
> to allow caching, but if someone has an idea ...
>
> Comments ?
>
> Rémy
>
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