cocoon-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Vadim Gritsenko <>
Subject Re: Keys for cache are insufficient when using multiple block servlets
Date Thu, 25 Jan 2007 13:20:15 GMT
Daniel Fagerstrom wrote:
> Alexander Klimetschek skrev:
>> Hi,
>> when using multiple block-servlets in one cocoon application (2.2), 
>> they will all use the same EHDefaultStore as cache. If there are 
>> similar matchers in the sitemaps, eg. images/header.png, the key for 
>> the cached resource will be the same for both blocks (just 
>> images/header.png), and, as the cache is global, the same cached 
>> object will be returned for both requests. This happens with 
>> expires-caching.
>> This should be fixed by adding a unique key prefix for each 
>> block-servlet or by one cache per block-servlet, but I do not know how 
>> to configure this.
> The Spring bean name for the block-servlet would work fine as an unique 
> bean prefix.

Prefix from parent sitemap used to be part of the key, IIRC. Works even better.

> And it is available from ServletConfig.getServletName() in 
> the block-servlet. The next and more complicated question is how to get 
> the identifier to the caching key ...

... or how to fix the regression.


View raw message