KAFKA-14680: Upgrade gradle version from 7.6 to 8.0.1 #13205

dejan2609 · 2023-02-06T18:40:06Z

Details:

gradle upgrade: 7.6 -> 8.0.1
spotbugs plugin upgrade: 5.0.9 -> 5.0.13
tweaked the mechanics for -release/-source/-target to workaround idiosyncrasies in Gradle 8.0.1 and newer Scala 2.13 versions.
streams-scala test task no longer triggers the spotless task since a newer version is required for Gradle 8 support, but the newer version requires Java 11.
Note: relates to MINOR: Add spotlessScalaCheck dependency to streams-scala test task #5479

Gradle upgrade highlights:

"Scala Incremental Compilation for Multi-Module projects broken in 7.x": Scala Incremental Compilation for Multi-Module projects broken in 7.x gradle/gradle#20101
"Incremental compilation of java modules is broken with Gradle 7.6": Incremental compilation of java modules is broken with Gradle 7.6 gradle/gradle#23067

Full release notes: https://docs.gradle.org/8.0/release-notes.html

dejan2609 · 2023-02-06T18:54:25Z

Related to #13199

Thanx for heads up @ijuma

On my local box build ends up in green, not sure why it fails on Jenkins; will investigate (and wait for plugin changes to be merged).

18:46:36  + ./retry_zinc ./gradlew -PscalaVersion=2.13 clean compileJava compileScala compileTestJava compileTestScala spotlessScalaCheck checkstyleMain checkstyleTest spotbugsMain rat --profile --continue -PxmlSpotBugsReport=true -PkeepAliveMode=session
18:46:36  Error: Could not find or load main class org.gradle.wrapper.GradleWrapperMain
18:46:36  Caused by: java.lang.ClassNotFoundException: org.gradle.wrapper.GradleWrapperMain

ijuma · 2023-02-06T21:24:32Z

@dejan2609 We'll wait for the final release, but it's fine to start working through the issues. Looks like the build failed.

dejan2609 · 2023-02-11T14:37:53Z

@ijuma yes, somehow build on Jenkins fails to start, I will rebase and then test on my local box (with Windows/Linux).

ijuma · 2023-02-15T01:28:57Z

Gradle 8 has been released. Have you been able to figure out why the build is failing?

dejan2609 · 2023-02-15T11:38:17Z

@ijuma some findigs: build fails due to issues with gradle wrapper bootstrapping.

I will post more details today.

dejan2609 · 2023-02-15T13:28:12Z

Update: gradle wrapper bootstrapping is ok now, but spotless Scala checks are failing...
Searching for a solution.

dejan2609 · 2023-02-15T15:45:52Z

It seems that Spotless Gradle plugin needs to be alligned with Gradle 8.0 (I filed a ticket here: diffplug/spotless#1572)

Thing is that they dropped support for direct Java 8 builds: https://github.com/diffplug/spotless/blob/main/plugin-gradle/CHANGES.md#6140---2023-01-26 (their suggestion for other teams is to use Java cross compilation: https://docs.gradle.org/8.0/userguide/building_java_projects.html#sec:java_cross_compilation).

Kafka obviously still needs to build artifacts against Java 8, so maybe it would be a good idea to use Spotless team suggestion.

All-in-all, herewith a plan for a Gradle 7 -->> 8 upgrade:

spotless team will release Gradle 8.0 compatible version (most probably they will not backport solution into spotless gradle 6.13.x line)
in parallel I can try to drop JDK 8 usage (note: Java 8 compatible artifacts will still be generated)
when we make sure that Java cross compilation works we can come back to this PR and bump Gradle (and Spotless plugin version to 6.15+).

@ijuma If it is ok with you I can start working towards this solution.

ijuma · 2023-02-15T16:37:47Z

An alternative would be to drop spotless until we drop support for Java 8 (Apache Kafka 4.0). What actually uses spotless today?

dejan2609 · 2023-02-15T17:42:25Z

At the moment spotless is used via Jenkins CI server ➡️ Jenkinsfile 'spotlessScalaCheck' task execution: https://github.com/apache/kafka/blob/3.4.0/Jenkinsfile#L23

My suggestion is to:

remove 'spotlessScalaCheck' out of Jenkinsfile
put some comments into build.gradle that would prevent others from changing anything related to spotless until Kafka 4.0 comes into play (i.e. after Java 8 is dropped):
- plugin definition: https://github.com/apache/kafka/blob/3.4.0/build.gradle#L33
- plugin configuration: https://github.com/apache/kafka/blob/3.4.0/build.gradle#L47

Note: this PR already removes task dependency.

dejan2609 · 2023-02-16T12:01:53Z

🤔 Interesting, altough 'spotlessScalaCheck' is removed out of Jenkinsfile that task is still executed on Jenkins:

ijuma · 2023-02-16T13:22:06Z

Yeah, that's a security feature. I suggest filing a JIRA about disabling spotlessScalaCheck with the rationale and have a separate PR for that change.

dejan2609 · 2023-02-18T11:43:52Z

Update: there are some new issues with Gradle 8.0.1; I will try to investigate that also.

dejan2609 · 2023-02-21T21:55:49Z

@ijuma Good news, it seems that I managed to provide a workaround for Gradle 8.0.1 (and across all JDK/Scala versions that Apache Kafka uses and the moment).
I still need to test few more time and after that will move this PR from draft to ready for review.

Big shoutout for @ljacomet from Gradle team, he went over and above during investigation 🎉

ijuma · 2023-02-21T23:09:16Z

Thanks @dejan2609. I still prefer the path I described here:

gradle/gradle#23962 (comment)

Do you know if that works?

inglor · 2023-02-22T00:25:03Z

Thanks @dejan2609. I still prefer the path I described here:

gradle/gradle#23962 (comment)

Do you know if that works?

Hi @ijuma ,

just to pitch in that setting -release on scala 2.13 is producing same error
[Error] : -target is deprecated: Use -release instead to compile against the correct platform API.

diff --git a/build.gradle b/build.gradle
--- a/build.gradle	(revision 2e1947d240607d53f071f61c875cfffc3fec47fe)
+++ b/build.gradle	(date 1677025069098)
@@ -684,7 +684,7 @@
     }
 
     // Scalac's `-release` requires Java 9 or higher
-    if (JavaVersion.current().isJava9Compatible())
+    if (versions.baseScala == '2.13')
       scalaCompileOptions.additionalParameters += ["-release", minJavaVersion]
 
     configure(scalaCompileOptions.forkOptions) {

PS: Encountered this error while trying to package kafka for Arch Linux which has latest gradle version 8.0.1

ijuma · 2023-02-22T00:27:52Z

@inglor Thanks. The following comment explains that the way -release must be set is a bit specific:

gradle/gradle#23962 (comment)

dejan2609 · 2023-02-22T00:37:52Z

@inglor thanx for stopping by, any insight or help is highly appreciated !

@ijuma I scraped fast solution that, suprisingly enough, works (at least compilation is succesful, that is).

I tested locally across entire matrix: JDK 8/11/17 x Scala 2.12/13 (with ./gradlew -PscalaVersion=2.1X clean jar) and all builds are fine.

Still need to spend some time with this to doublecheck and maybe even to compare compilation console output (trunk vs. this PR).

inglor · 2023-02-22T00:59:56Z

@ijuma Thanks for the pointer - I have missed that.
@dejan2609 I can confirm your cdbb59f works fine (as in it compiles the scala code) for

Gradle version 8.0.1:

	Scala 2.12	Scala 2.13
JDK 8	✅	✅
JDK 11	✅	✅
JDK 17	✅	✅

dejan2609 · 2023-02-22T22:22:45Z

@dejan2609 I added a few cleanups here: ijuma@9c6ae57

If you agree with them, please integrate into your PR.

@ijuma Scala 2.13 builds are fine, but something is still missing for Scala 2.12 (all ./gradlew -PscalaVersion=2.12 clean jar builds are failling):

JDK 17

> Task :core:compileScala
'-release' does not accept multiple arguments
bad option: '-release:8'

> Task :core:compileScala FAILED

> Task :streams:streams-scala:compileScala FAILED
'strict-unsealed-patmat' is not a valid choice for '-Xlint'
'-release' does not accept multiple arguments
bad option: '-release:8'

FAILURE: Build completed with 2 failures.

JDK 11

> Task :core:compileScala FAILED

> Task :streams:streams-scala:compileScala
'strict-unsealed-patmat' is not a valid choice for '-Xlint'
'-release' does not accept multiple arguments
bad option: '-release:8'

> Task :streams:streams-scala:compileScala FAILED

FAILURE: Build completed with 2 failures.

JDK 8

> Task :core:compileScala FAILED
'-release' does not accept multiple arguments
bad option: '-release:8'

FAILURE: Build failed with an exception.

ijuma · 2023-02-23T00:52:45Z

@dejan2609 Good catch. I fixed it in the same branch. And tested with Scala 2.12 and 2.13. See ijuma@31aec82

Gradle 8 related links: * https://github.com/gradle/gradle/releases/tag/v8.0.0 * https://github.com/gradle/gradle/releases/tag/v8.0.1 * https://docs.gradle.org/8.0.1/userguide/upgrading_version_7.html#changes_8.0 notes: * Javac and Scalac options are reshuffled (workaround for Gradle 8.0.1 bug: gradle/gradle#23962 (comment)) * spotless plugin task reference is removed (newer plugin versions require Java 11, so we can't use them until Kafka 4.0); plugin configuration is kept * jacoco version is bumped: 0.8.7 -->> 0.8.8 https://docs.gradle.org/8.0.1/userguide/jacoco_plugin.html#sec:configuring_the_jacoco_plugin

dejan2609 · 2023-02-23T06:28:39Z

@ijuma changes are integrated (please remember that #13263 needs to be merged prior to this one).

Blocks #13205. Rationale: - build works fine in trunk with Gradle 7.6 and spotless gradle plugin 6.13.0 for all currently used JDK versions (that is: JDK 8 / JDK 11 / JDK 17) - however, recent spotless gradle plugin versions (6.14.+) support only JDK 11+ versions: https://github.com/diffplug/spotless/blob/main/plugin-gradle/CHANGES.md#6140---2023-01-26 - given a fact that Kafka still needs to support JDK 8 builds (until Kafka version 4.0) it is reasonable to simply remove spotless checks out of Jenkinsfile (and re-introduce them when the time comes). For even more details see GitHub discussion here: #13205 (comment) Reviewers: Ismael Juma <ismael@juma.me.uk>

ijuma · 2023-02-23T13:57:25Z

@dejan2609 I merged #13263 and updated the PR description. Please take a look.

ijuma · 2023-02-23T14:03:23Z

@dejan2609 One issue is that IntelliJ still doesn't handle this correctly. Before this PR, it would add the following to .idea/scala_compiler.xml:

<parameter value="-target:jvm-1.8" />

Now it adds:

<parameter value="-target:jvm-17" />

Both cause the build to break with the latest Scala 2.13 version since that deprecated -target and we compile with fatal warnings.

gradlew

ijuma · 2023-02-23T14:25:06Z

I pushed a commit that reverts part of my previous commit. We need to set sourceCompatibility and targetCompatibility to workaround an issue affecting the Scala plugin for IntelliJ. We're back to with this change:

<parameter value="-target:jvm-1.8" />

This is still a problem since this is deprecated in newer Scala versions, but this PR doesn't make it worse.

@dejan2609 would you be willing to submit a ticket for the Scala plugin for IntelliJ so it doesn't set -target if -release is set?

ijuma

LGTM, thanks. I'll wait for the CI to complete before merging. The last CI build looked good, so it should be fine.

dejan2609 · 2023-02-23T23:05:54Z

@dejan2609 would you be willing to submit a ticket for the Scala plugin for IntelliJ so it doesn't set -target if -release is set?
@ijuma Sure, will do that.

ijuma · 2023-02-24T03:13:03Z

JDK 8 build passed, the other two had unrelated failures:

Build / JDK 17 and Scala 2.13 / org.apache.kafka.streams.processor.internals.DefaultStateUpdaterTest.shouldPauseActiveTaskAndTransitToUpdateStandby()
Build / JDK 11 and Scala 2.13 / org.apache.kafka.connect.integration.ConnectorRestartApiIntegrationTest.testMultiWorkerRestartOnlyConnector
Build / JDK 11 and Scala 2.13 / org.apache.kafka.tools.MetadataQuorumCommandTest.[5] Type=Raft-CoReside, Name=testDescribeQuorumStatusSuccessful, MetadataVersion=3.5-IV0, Security=PLAINTEXT

chia7712 · 2023-02-25T01:49:57Z

Should we disable spotlessScala temporarily? otherwise, the Gradle task related to spotlessScala can't work. For example, the common command ./gradlew clean build -x test.

dejan2609 · 2023-02-25T10:54:43Z

@chia7712 Correct, ./gradlew build executed against trunk does fail.

For the last few days we (@ijuma and me):

merged into a trunk Jenkinsfile change that removes 'spotlessScalaCheck': 97efdc6
merged this PR also (that was tested with ./gradlew jar on our local machines and then on Jenkins)

However, ./gradlew build depends on spotless tasks (tree is generated using this Gradle plugin: https://plugins.gradle.org/plugin/org.barfuin.gradle.taskinfo)

./gradlew build tiTree

> Task :tiTree
:build                                                         (org.gradle.api.DefaultTask)
+--- :assemble                                                 (org.gradle.api.DefaultTask)
|    `--- :jar                                                 (org.gradle.api.tasks.bundling.Jar)
|         +--- :classes                                        (org.gradle.api.DefaultTask)
|         |    +--- :compileJava                               (org.gradle.api.tasks.compile.JavaCompile)
|         |    `--- :processResources                          (org.gradle.language.jvm.tasks.ProcessResources)
|         `--- :compileJava                                    (org.gradle.api.tasks.compile.JavaCompile)
`--- :check                                                    (org.gradle.api.DefaultTask)
     +--- :rat                                                 (org.nosphere.apache.rat.RatTask)
     +--- :spotlessCheck                                       (org.gradle.api.DefaultTask)
     |    `--- :spotlessScalaCheck                             (com.diffplug.gradle.spotless.SpotlessCheck)
     |         `--- :spotlessScala                             (com.diffplug.gradle.spotless.SpotlessTaskImpl)
     |              `--- :spotlessInternalRegisterDependencies (com.diffplug.gradle.spotless.RegisterDependenciesTask)
     `--- :test                                                (org.gradle.api.tasks.testing.Test)
          +--- :classes                                        (org.gradle.api.DefaultTask)
          |    +--- :compileJava                               (org.gradle.api.tasks.compile.JavaCompile)
          |    `--- :processResources                          (org.gradle.language.jvm.tasks.ProcessResources)
          +--- :compileJava                                    (org.gradle.api.tasks.compile.JavaCompile)
          +--- :compileTestJava                                (org.gradle.api.tasks.compile.JavaCompile)
          |    +--- :classes                                   (org.gradle.api.DefaultTask)
          |    |    +--- :compileJava                          (org.gradle.api.tasks.compile.JavaCompile)
          |    |    `--- :processResources                     (org.gradle.language.jvm.tasks.ProcessResources)
          |    `--- :compileJava                               (org.gradle.api.tasks.compile.JavaCompile)
          `--- :testClasses                                    (org.gradle.api.DefaultTask)
               +--- :compileTestJava                           (org.gradle.api.tasks.compile.JavaCompile)
               |    +--- :classes                              (org.gradle.api.DefaultTask)
               |    |    +--- :compileJava                     (org.gradle.api.tasks.compile.JavaCompile)
               |    |    `--- :processResources                (org.gradle.language.jvm.tasks.ProcessResources)
               |    `--- :compileJava                          (org.gradle.api.tasks.compile.JavaCompile)
               `--- :processTestResources                      (org.gradle.language.jvm.tasks.ProcessResources)

chia7712 · 2023-02-25T11:54:24Z

@dejan2609 thanks for nice explanation!

That is why I suggested to disable spotlessScala from build.gradle :)

dejan2609 · 2023-02-25T12:17:50Z

@chia7712 I just pushed PR that (hopefully) solves this regression, feel free to check it.

dejan2609 · 2023-02-25T13:28:34Z

@dejan2609 would you be willing to submit a ticket for the Scala plugin for IntelliJ so it doesn't set -target if -release is set?

@ijuma ticket is created here: https://youtrack.jetbrains.com/issue/SCL-21039

dejan2609 · 2023-02-26T19:28:57Z

@ijuma please review Scala plugin for Intellij ticket (link above); I need some help to provide reproducer.

ijuma · 2023-02-27T08:29:31Z

The spotlessScala issue was fixed via #13311.

dejan2609 force-pushed the gradle-8 branch from f4fe056 to c04fd6c Compare February 11, 2023 14:38

dejan2609 force-pushed the gradle-8 branch from c04fd6c to 0e82675 Compare February 15, 2023 11:34

dejan2609 mentioned this pull request Feb 15, 2023

Bug: Spotless gradle plugin execution fails with Gradle 8.0 diffplug/spotless#1572

Open

dejan2609 force-pushed the gradle-8 branch from 0e82675 to 23f49da Compare February 16, 2023 11:13

dejan2609 marked this pull request as ready for review February 16, 2023 11:13

dejan2609 force-pushed the gradle-8 branch from 23f49da to f2fbab2 Compare February 16, 2023 13:19

dejan2609 mentioned this pull request Feb 16, 2023

KAFKA-14728: Don't run 'spotlessScalaCheck' in CI #13263

Merged

dejan2609 marked this pull request as draft February 16, 2023 17:41

dejan2609 force-pushed the gradle-8 branch from f2fbab2 to 5d4619e Compare February 18, 2023 14:29

dejan2609 mentioned this pull request Feb 18, 2023

Java/Scala build with no explicit toolchain: build fails with Gradle 8.0.1 / Scala 2.13 gradle/gradle#23962

Closed

dejan2609 force-pushed the gradle-8 branch 2 times, most recently from 4e47230 to 5ffbb0a Compare February 21, 2023 21:41

dejan2609 force-pushed the gradle-8 branch from cdbb59f to 262aa8c Compare February 23, 2023 06:20

dejan2609 marked this pull request as ready for review February 23, 2023 06:25

ijuma changed the title ~~KAFKA-14680: gradle version upgrade 7 -->> 8~~ KAFKA-14680: Upgrade gradle version from 7.6 to 8.0.1 Feb 23, 2023

ijuma reviewed Feb 23, 2023

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Set source/target unconditionally

b191481

Fix gradle wrapper

699c12a

ijuma approved these changes Feb 23, 2023

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ijuma merged commit 72dd401 into apache:trunk Feb 24, 2023

dejan2609 mentioned this pull request Feb 25, 2023

KAFKA-14680: spotlessCheck task is disabled #13306

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dejan2609 deleted the gradle-8 branch March 5, 2023 13:01

Abacn mentioned this pull request Nov 2, 2023

Fix ./gradlew spotlessApply fail groovy check apache/beam#29264

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KAFKA-14680: Upgrade gradle version from 7.6 to 8.0.1 #13205

KAFKA-14680: Upgrade gradle version from 7.6 to 8.0.1 #13205

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KAFKA-14680: Upgrade gradle version from 7.6 to 8.0.1 #13205

KAFKA-14680: Upgrade gradle version from 7.6 to 8.0.1 #13205

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