I just wanted to bump this and see if anyone had more feedback before trying to call a vote for this for 4.0?
Chris On Mon, Apr 1, 2024 at 3:41 PM Christopher Shannon < christopher.l.shan...@gmail.com> wrote: > Greg, > > 1. Ok sounds good we can target JDK 17 in this KIP if we decide to do that. > 2. For the EE version, I don't think it really matters since we won't be > using any new features that I am aware of. It's just something I noticed > that we will need to pick because Jetty 12 supports multiple versions so it > would affect which spec jars we use. In the past Jetty versions have been > tied to a specific Servlet spec but the new Jetty 12 they have abstracted > things away and they support multiple versions simultaneously. There's > different versions for all the specs but the primary one to note for us > would be that JavaEE 9 uses the Servlet 5.0 spec and JavaEE 10 uses the > Servlet 6.0 spec. JavaEE 11 is under development and will use the Servlet > 6.1 spec. So we may not really need to call out the EE version at all if it > doesn't matter and we are not using specific features but I wanted to bring > it up since multiple versions are listed as being compatible with Jetty 12 > so we need to pick one. On the main page they list the different servlet > specs they support: https://eclipse.dev/jetty/ > 3. Right, I didn't mean we should include it in the KIP, I was more asking > I guess how to go about things. It looks like we could use a lot of it and > adapt the work already done. While it's under the Apache 2.0 license and we > could use it, someone else wrote it so it would still be good to properly > credit that person as you mentioned. If I work on it I would probably start > over with a new branch and just use the old PR as a guide and then maybe > figure out a way to credit the original author. There's always that > co-author tag that could be used I think. > > Chris > > > On Mon, Apr 1, 2024 at 12:11 PM Greg Harris <greg.har...@aiven.io.invalid> > wrote: > >> Hey Chris, >> >> Thanks for your questions! >> >> 1. KIPs are generally immutable once they've been voted on. In this >> case, I think it's better that this KIP include the bump to Java 17 >> just for Connect and MirrorMaker 2, and should include that in the KIP >> title. >> 2. I'm not familiar with the difference, can you provide some more >> context that would help us make a decision? AFAIU we haven't specified >> an EE version in the past, and we don't do any sort of automated >> testing for compatibility. I think it would be good to call out which >> components have JavaEE-sensitive dependencies (just connect-runtime?). >> We do not want to accidentally give users the idea that the clients >> depend on the JavaEE version, as that could be very confusing. >> 3. That's an implementation detail left up to anyone that effects this >> KIP on the repo, and doesn't need to be mentioned in the KIP itself. I >> have seen people adopt changes from un-merged PRs after the original >> contributor has lost interest, while still crediting the original >> contributor for their portion of the changes. If you're doing this, >> then it's ultimately up to your judgement. >> >> Thanks, >> Greg >> >> On Mon, Apr 1, 2024 at 6:30 AM Christopher Shannon >> <christopher.l.shan...@gmail.com> wrote: >> > >> > Hi Greg, >> > >> > Thanks for the detailed analysis on the connect framework. It sounds >> like >> > hopefully we can go ahead and require JDK 17+ and bump that dependency >> for >> > the ConnectRestExtensionContext. >> > >> > I agree we can leave it open and hear what others think as well about >> the >> > requirement, if everyone ends up agreeing, I can update the KIP to >> reflect >> > requiring JDK 17 and going with Jetty 12. >> > >> > I had a couple of questions >> > 1) If we go with JDK 17 as a requirement for the Connect framework, >> should >> > we modify and make that part of KIP-1013 or keep it in this one? >> > 2) Should we go with JavaEE 9 or JavaEE 10? I'm not sure how much it >> > matters in this case. >> > 3) Can we just re-open https://github.com/apache/kafka/pull/10176 as a >> > starting point or maybe we can create a new PR and use it as a basis? >> It's >> > a bit old so I suspect there would be a ton of conflicts so it might be >> > best to start over and use it as a guide. I can work on a new PR once we >> > are all on the same page. I don't think it would take too long to put >> > together since most of the work is just dependency updates and package >> > renaming. >> > >> > Chris >> > >> > >> > On Fri, Mar 29, 2024 at 8:59 PM Greg Harris >> <greg.har...@aiven.io.invalid> >> > wrote: >> > >> > > Hey all, >> > > >> > > I looked into how Debezium handled the javax->jakarta changeover for >> > > Quarkus, and found this release note: >> > > >> > > >> https://debezium.io/blog/2023/04/20/debezium-2-2-final-released/#new-quarkus-3 >> > > It appears that Debezium 2.1 required Quarkus < 3.0, and Debezium 2.2 >> > > required Quarkus >= 3.0. The upgrade for Kafka could be very similar >> > > and not incur a major version release. >> > > >> > > We can leave some time to hear from anyone else that is impacted by >> > > this change, but from the open source projects present on github, this >> > > LGTM. >> > > >> > > Thanks, >> > > Greg >> > > >> > > On Fri, Mar 29, 2024 at 5:27 PM Greg Harris <greg.har...@aiven.io> >> wrote: >> > > > >> > > > Hi Chris, >> > > > >> > > > Thank you so much for opening this KIP, and making sure Kafka keeps >> up >> > > > with the rest of the Java ecosystem! >> > > > >> > > > I took a look around at some Open Source connector implementations, >> > > > and checked their Java version support: >> > > > * The Aiven connect plugins (http, bigquery, jdbc, elasticsearch, >> > > > opensearch, commons, s3, transforms, gcs), 6/9 are tested with JDK >> 17 >> > > > in CI, 2/9 JDK 11, and 1/9 JDK 8. I'll look into improving the >> testing >> > > > matrix, but I don't expect substantial problems with requiring JDK >> 17. >> > > > * The Debezium Project lists Java 11+ compatibility: >> > > > https://debezium.io/releases/ and appears to use Java 22 (ga) and >> 23 >> > > > (ea) in their CI: >> > > > >> > > >> https://github.com/debezium/debezium/blob/9cdaa38453c9f065c6075d31636592a5b147518f/.github/workflows/jdk-outreach-workflow.yml#L20 >> > > > >> > > > I think the bigger problem really is the ConnectRestExtension, since >> > > > we've baked the rs-api type into the signature of >> > > > ConnectRestExtensionContext. >> > > > * Aiven doesn't have any ConnectRestExtensions, so this isn't a >> concern >> > > for us. >> > > > * The Debezium Project has at least 6 ConnectRestExtension >> > > > implementations: >> > > > >> > > >> https://github.com/search?q=repo%3Adebezium%2Fdebezium+ConnectRestExtension+language%3AJava&type=code&l=Java >> > > > . Some of these are baked into artifacts that I know for a fact are >> > > > used in normal connect deployments. >> > > > * I found a healthcheck extension that looks unmaintained: >> > > > >> > > >> https://github.com/LoObp4ck/kafka-connect-healthchecks/blob/2d9dbfee900d9f85e6acd9a09bd04969afa46261/src/main/java/com/loobpack/data/kafka/connect/healthcheck/extension/HealthCheckConnectRestExtension.java#L9 >> > > > >> > > > I figure that adopting this KIP would mean that the Debezium project >> > > > would be forced to bump their major version 3.0 to be compatible >> with >> > > > Connect 4.0, or otherwise change their packaging, so I'd like to >> hear >> > > > from the Debezium folks what they think of this proposal. >> > > > >> > > > Thanks, >> > > > Greg >> > > > >> > > > On Wed, Mar 27, 2024 at 4:43 PM Christopher Shannon >> > > > <christopher.l.shan...@gmail.com> wrote: >> > > > > >> > > > > Hi, >> > > > > >> > > > > I'm proposing a KIP for Kafka 4.0 to upgrade to to Jakarta and >> JavaEE 9 >> > > > > APIs. This will also upgrade dependencies like Jetty and move >> away from >> > > > > the depcrated javax namespace to be in line with other libraries >> and >> > > > > frameworks. There was some initial >> > > > > <https://lists.apache.org/thread/p4qbqh8r77h4khn3yoof2b0gbq3wbc5q >> > >> > > > > discussion and below is the KIP. >> > > > > >> > > > > Please take a look and let me know what you think: >> > > > > >> > > > > >> > > >> https://cwiki.apache.org/confluence/display/KAFKA/KIP-1032%3A+Upgrade+to+Jakarta+and+JavaEE+9+in+Kafka+4.0 >> > > > > >> > > > > Thanks, >> > > > > Chris >> > > >> >
