[JBoss-dev] httpd and tomcatClustering gives 404 during redeploy.

[Jean-frederic Clere]

On Fri, 2006-09-22 at 16:24 +0200, Sacha Labourey wrote:
> What you are looking for is for what happens at line 391-392 here: 
> http://fisheye.jboss.org/browse/JBoss/jboss-system/src/main/org/jboss/deployment/scanner/URLDeploymentScanner.java?r=1.1

The problem is the URLDeploymentScanner uses the interface Deployer to
reach MainDeployer.
It is not possible to add a redeploy method to Deployer because that
would break the interface (may be customer have their own Deployer).
The undeploy method in Deployer is:
void undeploy(URL url) throws DeploymentException;
The information must be stored somewhere.

Any hints?

Cheers

Jean-Frederic

> 
> Jean-frederic Clere wrote:
> > On Thu, 2006-09-21 at 07:27 -0700, Scott M Stark wrote:
> >   
> >> Redeploy is not used during a hot-redeploy. The URLDeploymentScanner 
> >> simply does an undeploy/deploy the same as the redeploy in main.
> >>     
> >
> > Well URLDeploymentScanner only passes the URL, how do I get the
> > information that it is a redeployement in MainDeployer?
> >
> > Cheers
> >
> > Jean-Frederic
> >
> >   
> >>  Both 
> >> the scanner and main deployer need to be marking a deployment as in the 
> >> process of being redeployed. This should be propagated via the 
> >> DeploymentInfo and WebApplication.
> >>
> >> Sacha Labourey wrote:
> >>     
> >>> That is what I mean: the MainDeployer could "share" this knowledge 
> >>> that it is a redeploy with any other piece of code, including the 
> >>> tomcatdeployer, by setting a temporary thread local variable that 
> >>> could be checked by any deployer.
> >>>
> >>> Jean-frederic Clere wrote:
> >>>       
> >>>> On Thu, 2006-09-21 at 09:36 +0200, Sacha Labourey wrote:
> >>>>  
> >>>>         
> >>>>> What about having the MainDeployer set a thread context variable 
> >>>>> indicating whether we are inside a "Redeploy" scenario?
> >>>>>     
> >>>>>           
> >>>> MainDeployer knows that it is doing a redeploy(), the problem is just
> >>>> that the redeploy() should also be in the TomcatDeployer or that
> >>>> MainDeployer should tell to the TomcatDeployer that the undeploy() is
> >>>> called for a redeploy() (like undeploy(false) for a redeployement and
> >>>> undeploy(true) for an undeployement).
> >>>>
> >>>> Cheers
> >>>>
> >>>> Jean-Frederic
> >>>>
> >>>>         
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