[
https://issues.apache.org/jira/browse/KAFKA-21299?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dejan Stojadinović updated KAFKA-21299:
---------------------------------------
Description:
TLDR: *wrapperJarUrl* in wrapper.gradle file can't be used to fetch Gradle
9.8.1 wrapper jar because the v9.8.1 git tag contains the 9.8.0 wrapper jar
(the bootstrap jar Gradle uses to build itself) i.e. v9.8.0 and v9.8.1 tags
contain identical jars:
{code}
dejan@home:~$ date
Sat 17 Oct 09:17:07 CEST 2026
dejan@home:~$ curl -sL
https://raw.githubusercontent.com/gradle/gradle/v9.7.1/gradle/wrapper/gradle-wrapper.jar
| shasum -a 256
7a9ce74cff467ca1bf60a4fcd9f05185acceda4d0f382434d393e17864262c5d -
dejan@home:~$ curl -sL
https://raw.githubusercontent.com/gradle/gradle/v9.8.0/gradle/wrapper/gradle-wrapper.jar
| shasum -a 256
238e777fcddd7e34f9708186085def2abd6e08e658505b38718d79d74c21abd5 -
dejan@home:~$ curl -sL
https://raw.githubusercontent.com/gradle/gradle/v9.8.1/gradle/wrapper/gradle-wrapper.jar
| shasum -a 256
238e777fcddd7e34f9708186085def2abd6e08e658505b38718d79d74c21abd5 -
dejan@home:~$ date
Sat 17 Oct 09:17:51 CEST 2026
dejan@home:~$
{code}
*Note: this is not a bug on a Gradle side*; both
https://gradle.org/release-checksums and/or
https://services.gradle.org/distributions are showing proper SHA sums:
* 9.7.1: 7a9ce74cff467ca1bf60a4fcd9f05185acceda4d0f382434d393e17864262c5d
* 9.8.0: 238e777fcddd7e34f9708186085def2abd6e08e658505b38718d79d74c21abd5
* 9.8.1: 3b8a25775a69158b5ad2b1d17a80a88dc7b40a352a73eb27d06c612a7ce68e98
Related Gradle issue:
https://github.com/gradle/gradle/issues/39471#issuecomment-6189156726
How to reproduce this on Kafka side:
# try to upgrade Gradle version from 9.7.1 to 9.8.1 (follow manual in
kafka/gradle/wrapper/README.md)
# open a new terminal, navigate to the kafka folder and execute a Gradle
command, for example: ./gradlew clean
## the first run fails with "Unable to access jarfile"
## executing the same command again (in the same terminal, right after the
error) works as expected and the build starts
was:
TLDR: *wrapperJarUrl* in wrapper.gradle file can't be used to fetch Gradle
9.8.1 wrapper jar because the v9.8.1 git tag contains the 9.8.0 wrapper jar
(the bootstrap jar Gradle uses to build itself) i.e. v9.8.0 and v9.8.1 tags
contain identical jars:
{code}
dejan@home:~$ date
Sat 17 Oct 09:17:07 CEST 2026
dejan@home:~$ curl -sL
https://raw.githubusercontent.com/gradle/gradle/v9.7.1/gradle/wrapper/gradle-wrapper.jar
| shasum -a 256
7a9ce74cff467ca1bf60a4fcd9f05185acceda4d0f382434d393e17864262c5d -
dejan@home:~$ curl -sL
https://raw.githubusercontent.com/gradle/gradle/v9.8.0/gradle/wrapper/gradle-wrapper.jar
| shasum -a 256
238e777fcddd7e34f9708186085def2abd6e08e658505b38718d79d74c21abd5 -
dejan@home:~$ curl -sL
https://raw.githubusercontent.com/gradle/gradle/v9.8.1/gradle/wrapper/gradle-wrapper.jar
| shasum -a 256
238e777fcddd7e34f9708186085def2abd6e08e658505b38718d79d74c21abd5 -
dejan@home:~$ date
Sat 17 Oct 09:17:51 CEST 2026
dejan@home:~$
{code}
*Note: this is not a bug on a Gradle side*; both
https://gradle.org/release-checksums and/or
https://services.gradle.org/distributions are showing proper SHA sums:
* 9.7.1: 7a9ce74cff467ca1bf60a4fcd9f05185acceda4d0f382434d393e17864262c5d
* 9.8.0: 238e777fcddd7e34f9708186085def2abd6e08e658505b38718d79d74c21abd5
* 9.8.1: 3b8a25775a69158b5ad2b1d17a80a88dc7b40a352a73eb27d06c612a7ce68e98
Related Gradle issue:
https://github.com/gradle/gradle/issues/39471#issuecomment-6189156726
How to reproduce this on Kafka side:
1. try to upgrade Gradle version from 9.7.1 to 9.8.1 (follow manual in
kafka/gradle/wrapper/README.md)
2. try to execute Gradle command, for example: ./gradlew clean; the wrapper jar
gets deleted and re-downloaded, and every other run fails with "Unable to
access jarfile"
> Gradle 9.8.1 wrapper jar can’t be fetched from the release tag
> --------------------------------------------------------------
>
> Key: KAFKA-21299
> URL: https://issues.apache.org/jira/browse/KAFKA-21299
> Project: Kafka
> Issue Type: Bug
> Components: build
> Reporter: Dejan Stojadinović
> Assignee: Dejan Stojadinović
> Priority: Major
> Labels: Gradle, checksum, gradle
>
> TLDR: *wrapperJarUrl* in wrapper.gradle file can't be used to fetch Gradle
> 9.8.1 wrapper jar because the v9.8.1 git tag contains the 9.8.0 wrapper jar
> (the bootstrap jar Gradle uses to build itself) i.e. v9.8.0 and v9.8.1 tags
> contain identical jars:
> {code}
> dejan@home:~$ date
> Sat 17 Oct 09:17:07 CEST 2026
> dejan@home:~$ curl -sL
> https://raw.githubusercontent.com/gradle/gradle/v9.7.1/gradle/wrapper/gradle-wrapper.jar
> | shasum -a 256
> 7a9ce74cff467ca1bf60a4fcd9f05185acceda4d0f382434d393e17864262c5d -
> dejan@home:~$ curl -sL
> https://raw.githubusercontent.com/gradle/gradle/v9.8.0/gradle/wrapper/gradle-wrapper.jar
> | shasum -a 256
> 238e777fcddd7e34f9708186085def2abd6e08e658505b38718d79d74c21abd5 -
> dejan@home:~$ curl -sL
> https://raw.githubusercontent.com/gradle/gradle/v9.8.1/gradle/wrapper/gradle-wrapper.jar
> | shasum -a 256
> 238e777fcddd7e34f9708186085def2abd6e08e658505b38718d79d74c21abd5 -
> dejan@home:~$ date
> Sat 17 Oct 09:17:51 CEST 2026
> dejan@home:~$
> {code}
>
> *Note: this is not a bug on a Gradle side*; both
> https://gradle.org/release-checksums and/or
> https://services.gradle.org/distributions are showing proper SHA sums:
> * 9.7.1: 7a9ce74cff467ca1bf60a4fcd9f05185acceda4d0f382434d393e17864262c5d
> * 9.8.0: 238e777fcddd7e34f9708186085def2abd6e08e658505b38718d79d74c21abd5
> * 9.8.1: 3b8a25775a69158b5ad2b1d17a80a88dc7b40a352a73eb27d06c612a7ce68e98
> Related Gradle issue:
> https://github.com/gradle/gradle/issues/39471#issuecomment-6189156726
> How to reproduce this on Kafka side:
> # try to upgrade Gradle version from 9.7.1 to 9.8.1 (follow manual in
> kafka/gradle/wrapper/README.md)
> # open a new terminal, navigate to the kafka folder and execute a Gradle
> command, for example: ./gradlew clean
> ## the first run fails with "Unable to access jarfile"
> ## executing the same command again (in the same terminal, right after the
> error) works as expected and the build starts
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