[jboss-as7-dev] Deployment -- why marker files?

[Jason T. Greene]

On 4/12/11 10:56 AM, Jim Tyrrell wrote:
> Guys the way that we have worked in the past where exploded files just
> works is a really good feature. One that definitely is a selling point.
>
> Reading through the thread higher in the list in the forums I get why we
> are here today.
>
> However, burying this change in the META-INF directory seems like a real
> pain from a usability perspective.

Take a look at this:

https://github.com/jbossas/jboss-as/raw/6a72ca965f01021d034049598451e0aca3ba38f3/build/src/main/resources/standalone/deployments/README.txt


> What about renaming the exploded directory tree instead.
>
> Copy
> application.war
> to the hot-deploy directory
>
> rename application.war.dodeploy when you want to deploy it
> rename to aplication.war.doundeloy when you want to undeploy it
>
> WHen it is is deployed
> application.war.deployed
> application.war.failed with a outtext file in the directory that states
> the reasons for failure?
>
> If I do an lS in the directory I can immediately see what is going on. I
> do not have to bury myself in META-INF directories and I would think
> this is a lot simpler.
>
> I did not read all of the pages, this seems like an elegant solution to
> some of the "Atomicy" issues you have around deployment, along with
> making this easy to use.
>
> Does this mean that if I update an .jsp page in an exploded directory I
> need to mark it as .dodeploy?
>
> Have you guys talked with Max and the tools team to see what/how this
> effects what they have to do?

Yes, I think hes happy with the eventual outcome. Although I will let 
him comment :)

>
> Jim Tyrrell
> Senior JBoss Solutions Architect
>
> Did you see RHT on CNBC's Mad Money?
> http://www.cnbc.com/id/39401056
>
>
>
> On Apr 12, 2011, at 9:42 AM, Jason T. Greene wrote:
>
>> Yeah basically we had not finished the feature until Beta2 and onward. I
>> highly recommend grabbing the latest upstream.
>>
>> On 4/12/11 10:18 AM, Howard Gao wrote:
>>> Thanks Jason. I think I would use auto-deploy for most of the time.
>>> If by default it is auto-deploy for non-exploded deployment, then I
>>> think there is an issue with it. I deployed a simple MDB (packed in a
>>> jar file, I think that's non-exploded) and I still have to add a
>>> .dodeploy to trigger the processing of my MDB.
>>>
>>> Or perhaps it has been just so changed? My as7 is built from the code
>>> days ago.
>>>
>>> Howard
>>>
>>>
>>> On 04/12/2011 11:10 PM, Jason T. Greene wrote:
>>>> Actually allow me to clarify:
>>>>
>>>> BY DEFAULT you do not need markers for non-exploded deployments.
>>>>
>>>> You do need them for exploded. You can enable auto-deploy for
>>>> directories, and ignore using any marker, but you have the same casino
>>>> odds that you had in previous AS releases.
>>>>
>>>>
>>>> On 4/12/11 10:04 AM, Jason T. Greene wrote:
>>>>> You dont need markers for non-exploded deployments (see auto-deploy in
>>>>> deployments/README.txt)
>>>>>
>>>>> On 4/12/11 9:51 AM, Howard Gao wrote:
>>>>>> Hi,
>>>>>>
>>>>>> In AS7 it uses a bunch of 'Marker files' to control and indicate a
>>>>>> deployment. Comparing to previous AS 4 I found this is not so
>>>>>> convenient. For example if I want to deploy an EJB jar I need to
>>>>>> drop it
>>>>>> to the /deployments dir and create a .dodeploy marker file. And if my
>>>>>> EJB failed to deploy the marker file changed to .fail mark file. In a
>>>>>> debug process this deployment can be repeated many times, each time a
>>>>>> .dodeploy has to be manually added. And that's for a single EJB. If I
>>>>>> have 5 EJB jars deployed I need file marker files manually created.
>>>>>>
>>>>>> In AS 4 I just drop it and done. I wonder what's the good reason for
>>>>>> those marker files? From a user's point of view, for what other
>>>>>> purposes
>>>>>> could it be to drop something to the deployments directory than for
>>>>>> deploying it right away?
>>>>>>
>>>>>> Thanks
>>>>>> Howard
>>>>>>
>>>>>> _______________________________________________
>>>>>> jboss-as7-dev mailing list
>>>>>> jboss-as7-dev at lists.jboss.org <mailto:jboss-as7-dev at lists.jboss.org>
>>>>>> https://lists.jboss.org/mailman/listinfo/jboss-as7-dev
>>>>>
>>>>>
>>>>
>>>>
>>>
>>
>>
>> --
>> Jason T. Greene
>> JBoss, a division of Red Hat
>> _______________________________________________
>> jboss-as7-dev mailing list
>> jboss-as7-dev at lists.jboss.org <mailto:jboss-as7-dev at lists.jboss.org>
>> https://lists.jboss.org/mailman/listinfo/jboss-as7-dev
>


-- 
Jason T. Greene
JBoss, a division of Red Hat