Joerg Heinicke wrote:
On 17.05.2004 22:26, Nanda wrote:
Hi!
I have few questions on the functioning of cocoon 2.1.2 (or cocoon 2x in general) and i thought i could seek some help from experts.
Offline compiling and class loading in cocoon 2. ------------------------------------------------
Previously, I was using couple of cocoon 1 instances sharing a repository directory and noticed very often some of the pages (their html content) were out of sync. on instances after a modified logicsheet (that these pages used) was deployed. Spending several hours analyzing code, I found that the issue was simply that cocoon 1 did not support sharing a repository across multiple instances. (regenerating .java, recompling, reloading classes, reloading logsicsheets logic does not work with multiple instances case)
Also deploying logicsheets or xsp pages during peak traffic on cocoon 1 was a major performance concern.
It appears that cocoon 2 addresses the above two issues using offline compiling and offline class loading. Say, have one instance of cocoon configured to regenerate the .java files and compile them into classes and let other cocoon instances reload classes at scheduled times or after server restart.
However I do not know at this time how to configure a separate cocoon instance to compile all the possible xsp pages automatically when there is a change to it or the logicsheets it uses. If anyone has already configured this, can you post the details here.
I am assuming that cocoon determines the possible pages to compile based on sitemap.xmap. Is this true or cocoon 2 has to web crawl a site to determine the pages?
Can server instances be configured to reload the classes at certain scheduled times? If not is there a url based api to force this?
Is the compiling on first demand to heavy/unsafe/etc. ? There is no xsp-based crawling AFAIK, only a site-based, but it makes not much sense to use it for getting all XSPs compiled I guess.
There is functionality in the CLI to have it precompile XSPs. But I'm not sure how that would work on a webapp that is currently running in a servlet. I don't think it would work. I don't know how the servlet would find out that a class has changed.
Upayavira
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