Patrick Heiden wrote:
Could you give a hint on where to dig inside cocoons code to have a look for
myself meanwhile? Would be nice.
Sure. The Maven 2 plugin can be found at
http://svn.apache.org/repos/asf/cocoon/trunk/tools/cocoon-maven-plugin/. It
contains all the stuff that creates a small web application for a block so that
it becomes runnable in a servlet container.
The integration of the RCL is done by intercepting all requests (servlets,
servlet filters, listeners) and replacing the classloader with a reloading
classloader implementation. This code can be found at
http://svn.apache.org/repos/asf/cocoon/trunk/tools/cocoon-rcl/cocoon-rcl-webapp-wrapper/.
The third module is the spring reloader
(http://svn.apache.org/repos/asf/cocoon/trunk/tools/cocoon-rcl/cocoon-rcl-spring-reloader/)
that wraps a Spring context and performs the restarts of the Spring application
context whenever necessary.
Another hint that might help:
When a class or an interface, that is loaded by the RCL, is proxied or rewritten
by Spring AOP, this leads to exceptions after the first reload. I guess this is
a problem with the RCL implementation (Apache Commons JCI) but I haven't had
time to write a test case that proves this statement.
Apart from problems with Spring Security and Spring AOP, the third known issue
is session handling. If you put an object that is loaded by the reloading
classloader into the session, you will run into a class cast exception after the
first reload occured because the instance of the reloading classloader has changed.
If you want to route around these problems, create a module that contains all
those classes that should not be loaded by the reloading classloader and add it
as a dependency to your module.
HTH
--
Reinhard Pötz Managing Director, {Indoqa} GmbH
http://www.indoqa.com/en/people/reinhard.poetz/
Member of the Apache Software Foundation
Apache Cocoon Committer, PMC member, PMC Chair [EMAIL PROTECTED]
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