Migrating from WildFly-14 to 30

[Rajesh Jose]

Hi,

We are looking in to migrating our product from WildFly-14 to 30. Is there any migration guide/tools available?

We looked at some tools for jakarta migration (eg: https://dzone.com/articles/best-practices-to-deal-with-javax-to-jakarta-migra). But looks like 14 to 30 will have much more than that.

We started compiling our source with WildFly-30 and some of it we could manage by looking through the source code of 14 and 30. Right now we are stuck with resteasy-jaxrs issues related to removed packages/classes or refactored classes, some of which are mentioned below....Any pointers to how to go about this? 

org.jboss.resteasy.spi.ResteasyProviderFactory - refactored

org.jboss.resteasy.annotations.interception.ServerInterceptor - removed?
org.jboss.resteasy.annotations.interception.EncoderPrecedence - removed?
org.jboss.resteasy.spi.interception.AcceptedByMethod - removed?
org.jboss.resteasy.spi.interception.PostProcessInterceptor - removed?
org.jboss.resteasy.spi.interception.MessageBodyWriterContext - removed?
org.jboss.resteasy.spi.interception.MessageBodyWriterInterceptor - removed?
org.jboss.resteasy.spi.UnauthorizedException - removed?

-Rajesh

[Richard Opalka]

Hello Rajesh,

   I'd highly recommend your team to split the migration process into two major steps:

1) Migration to WildFly 26.1.3.Final first (the last one version that supports Java EE API 8,

see: https://www.wildfly.org/news/2022/04/14/WildFly261-Final-Released/ )

2) Migrate to the latest WildFly (switch to Jakarta EE API 10).

Rio

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[Rajesh Jose]

Thanks Rio, 

I was looking at this page and it says 26.x is Jakarta EE 8 - https://docs.wildfly.org. I presume, that is what you meant and it's probably only the package change from javax? 

Even with 26.x, what I see is, the REST-easy library is changed to 4.x and all the changes I mentioned in the previous mail are still applicable. In fact, rest-easy was changed from 3.x to 4.x in 25.x onwards. We need to move minimum to 25.x because we have to move to Java-17 for other reasons. So looks like handling rest-easy migration is some thing we can not do away with.

And any pointers on the challenges from moving to 26.x to 30 (Jakarta-EE 10)?

-Rajesh

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[Emmanuel Hugonnet]

Le 18/12/2023 à 21:22, Rajesh Jose a écrit :
>
> Thanks Rio,
>
> I was looking at this page and it says 26.x is Jakarta EE 8 - https://docs.wildfly.org. I presume, that is what you meant and it's
> probably only the package change from javax?

No there is no package change here. So you'll be able to adapt your code to the component upgrades.

>
> Even with 26.x, what I see is, the REST-easy library is changed to 4.x and all the changes I mentioned in the previous mail are still
> applicable. In fact, rest-easy was changed from 3.x to 4.x in 25.x onwards. We need to move minimum to 25.x because we have to move to
> Java-17 for other reasons. So looks like handling rest-easy migration is some thing we can not do away with.
>
> And any pointers on the challenges from moving to 26.x to 30 (Jakarta-EE 10)?

You'll have to do the packages change during this phase.

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[Rajesh Jose]

Thanks, Emmanuel

-Rajesh