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

[Jean-frederic Clere]

On Wed, 2006-09-27 at 13:18 -0700, Scott M Stark wrote:
> The notification type should be added to the existing
> MainDeployerConstants
> 
> org.jboss.deployment.MainDeployerConstants
> {
>    /** The JMX notification type sent when a deployer is added */
>    public static final String ADD_DEPLOYER =
> "org.jboss.deployment.MainDeployer.addDeployer";
>    /** The JMX notification type sent when a deployer is removed */
>    public static final String REMOVE_DEPLOYER =
> "org.jboss.deployment.MainDeployer.removeDeployer";
>    /** The JMX notification type sent when a deploy is performed */
>    public static final String DEPLOY =
> "org.jboss.deployment.MainDeployer.deploy";
>    /** The JMX notification type sent when a undeploy is performed */
>    public static final String UNDEPLOY =
> "org.jboss.deployment.MainDeployer.undeploy";
>    /** The JMX notification type sent when a undeploy/deploy cycle is
> performed */
>    public static final String REDEPLOY =
> "org.jboss.deployment.MainDeployer.redeploy";
> }
> 
> One question is whether there should be BEGIN_DEPLOY/END_DEPLOY
> notifications that would allow one to determine the outcome of the
> deploy.

That means we would need:
BEGIN_DEPLOY/END_DEPLOY
BEGIN_REDEPLOY/END_REDEPLOY
BEGIN_UNDEPLOY/END_UNDEPLOY
to be able to know the result of the action, wouldn't we?

In fact to prevent the 404 I just need to forward the BEGIN_REDEPLOY to
Apache httpd. (Tomcat has its event to tell that a Context is up again).

Cheers

Jean-Frederic

>  Most likely a begin/end notification is the cleanest way to introduce
> the notifications.
>    /** The JMX notification type sent when a undeploy i
> 
> Jean-frederic Clere wrote: 
> > On Fri, 2006-09-22 at 08:37 -0700, Scott M Stark wrote:
> >   
> > > You can pass in a hint as a url parameter "file:/.../deploy/my.war?
> > > redeploy=true" so that the main deployer can set a flag in the
> > > deployment.
> > >     
> > 
> > Ok, this seems to work. Now I have the information that the undeploy()
> > occurs in MainDeployer because of a redeployment.
> > 
> > To send the information to my listener (and later to Apache httpd) I am
> > thinking of using a Notification("StartReDeploy", ...) and use the
> > DeploymentInfo to have the Host and the Context information.
> > 
> > Any comments?
> > 
> > Cheers
> > 
> > Jean-Frederic
> > 
> >   
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