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Re: [jakartaee-platform-dev] Question about removing Jakarta Deployment (JSR-88) in Jakarta EE 9 porting package...

The Jakarta EE 9 release itself can not include any javax.* packages.  So, that is out of the question.  But, if the TCK wants or needs to support back packages (such as Deployment), I would liken that to an App Server that wishes to support past releases of Java EE or Jakarta EE.  I think the bigger issue for the TCK is that you probably need more than just the APIs.  You probably also need an implementation, and where would you get that from?  Glassfish?  Since Glassfish is planning on pruning Deployment from their Jakarta EE 9 release, would the TCK team step up to support the implementation in this unique environment?  Another concern with this approach is whether the TCK has any other dependencies on Jakarta EE technologies.  We (Open Liberty) have found that attempting to mix-and-match between javax and jakarta is an extremely difficult proposition.

I'd question how many of the Jakarta EE compatible implementations actually rely on Deployment for their TCK testing.  We (Open Liberty) do not.  It would be good to understand how big of an issue this is before exploring the continued use of Deployment in the TCK.

Personally, I'd take a look at Option C and attempt to remove this dependency.  But, I have no idea on how big of an effort this would be...

Kevin Sutter
STSM, MicroProfile and Jakarta EE architect @ IBM
e-mail:  sutter@xxxxxxxxxx     Twitter:  @kwsutter
phone: tl-553-3620 (office), 507-253-3620 (office)    

From:        Scott Marlow <smarlow@xxxxxxxxxx>
To:        jakartaee-platform developer discussions <jakartaee-platform-dev@xxxxxxxxxxx>
Date:        04/27/2020 09:00
Subject:        [EXTERNAL] Re: [jakartaee-platform-dev] Question about removing Jakarta Deployment (JSR-88) in Jakarta EE 9 porting package...
Sent by:        jakartaee-platform-dev-bounces@xxxxxxxxxxx


Could the Eclipse Jakarta Platform TCK 9.0.0 release include the javax.enterprise.deploy.spi interfaces, in support of the porting package use of the (pruned in EE 9) Jakarta Deployment API?  

This might help Eclipse Jakarta EE implementations that currently use the Jakarta Deployment API for their TCK testing.  

Note that EE 9 implementations are not expected to include (pruned) Jakarta Deployment API/implementation classes, but that is a different issue than I'm asking about.  


On Wed, Apr 22, 2020 at 1:46 PM Scott Marlow <smarlow@xxxxxxxxxx> wrote:

The jakartaee-tck/issue#211 [1] issue is for removing the Jakarta Deployment (JSR-88) use from the Jakarta EE 9 Platform TCK.  Comment [2] mentions a few options for how the EE 9 Platform TCK could deal with removal of (pruned) Jakarta Deployment from Jakarta EE 9.  

I'm especially concerned about Jakarta EE 8 implementations that actually implement Jakarta Deployment (JSR-88), as in your Jakarta EE 9 implementation, you will not likely still have your Jakarta Deployment code for the Platform TCK to use.

I added three options to [2], that I would like input on.  

Option A, is for adding the javax.enterprise.deploy.spi interfaces to the Jakarta EE 9 Platform TCK, so that the Platform TCK can continue to depend on them and in theory, your Jakarta EE 9 implementation could as well.  Basically, this means that you could keep using your Jakarta Deployment implementation code for TCK testing but do not have to actually include those classes in your Jakarta EE 9 server implementation.  

Option B, is basically the same, however it switches to a different package name for the javax.enterprise.deploy.spi classes.

Option C, is for removing all of the javax.enterprise.deploy.spi dependencies from the Platform TCK, meaning that Jakarta EE 9 implementations, will need to provide a porting package implementation based the on com.sun.ts.lib.porting.TSDeploymentInterface, which doesn't depend on the javax.enterprise.deploy.spi classes.

Any other ideas or more to add?  


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