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

[Dimitris Andreadis]

The scanner could use the MainDeployerMBean interface, or there could be
a DeployerExt extending Deployer, with the missing methods added. 

> -----Original Message-----
> From: jboss-development-bounces at lists.jboss.org 
> [mailto:jboss-development-bounces at lists.jboss.org] On Behalf 
> Of Jean-frederic Clere
> Sent: Friday, September 22, 2006 6:02 PM
> To: JBoss.org development list
> Subject: Re: [JBoss-dev] httpd and tomcatClustering gives 404 
> during redeploy.
> 
> 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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> > >> jboss-development at lists.jboss.org
> > >> https://lists.jboss.org/mailman/listinfo/jboss-development
> > >>     
> > >
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> > >   
> > 
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