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https://issues.apache.org/jira/browse/ZOOKEEPER-5071?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dávid Paksy updated ZOOKEEPER-5071:
-----------------------------------
Description:
zookeeper-it subproject compilation seems to fail when using Java 17 or 21 with
the following error:
{noformat}
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile)
on project zookeeper-it: Fatal error compiling: java.lang.NullPointerException:
Cannot invoke "javax.lang.model.element.Element.getKind()" because "elem" is
null -> [Help 1]{noformat}
Interestingly it does not seem to have the problem with Java 25.
The problem seems to be the jmh-generator-annprocess dependency. We should
update it to 1.37 to support Java 17+.
Tried with the following JDK versions:
{noformat}
java -version
openjdk version "17.0.19" 2026-04-21
OpenJDK Runtime Environment Temurin-17.0.19+10 (build 17.0.19+10)
OpenJDK 64-Bit Server VM Temurin-17.0.19+10 (build 17.0.19+10, mixed mode,
sharing)
java -version
openjdk version "21.0.11" 2026-04-21 LTS
OpenJDK Runtime Environment Temurin-21.0.11+10 (build 21.0.11+10-LTS)
OpenJDK 64-Bit Server VM Temurin-21.0.11+10 (build 21.0.11+10-LTS, mixed mode,
sharing){noformat}
was:
zookeeper-it subproject compilation seems to fail when using Java 17 or 21 with
the following error:
{noformat}
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile)
on project zookeeper-it: Fatal error compiling: java.lang.NullPointerException:
Cannot invoke "javax.lang.model.element.Element.getKind()" because "elem" is
null -> [Help 1]{noformat}
Interestingly it does not seem to have the problem with Java 25.
The problem seems to be the jmh-generator-annprocess dependency. We should
update it to 1.37 to support Java 17+.
> Fix zookeeper-it NPE compilation failure on Java 17, 21
> -------------------------------------------------------
>
> Key: ZOOKEEPER-5071
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-5071
> Project: ZooKeeper
> Issue Type: Bug
> Components: build
> Reporter: Dávid Paksy
> Assignee: Dávid Paksy
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> zookeeper-it subproject compilation seems to fail when using Java 17 or 21
> with the following error:
>
> {noformat}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile
> (default-compile) on project zookeeper-it: Fatal error compiling:
> java.lang.NullPointerException: Cannot invoke
> "javax.lang.model.element.Element.getKind()" because "elem" is null -> [Help
> 1]{noformat}
> Interestingly it does not seem to have the problem with Java 25.
> The problem seems to be the jmh-generator-annprocess dependency. We should
> update it to 1.37 to support Java 17+.
> Tried with the following JDK versions:
>
> {noformat}
> java -version
> openjdk version "17.0.19" 2026-04-21
> OpenJDK Runtime Environment Temurin-17.0.19+10 (build 17.0.19+10)
> OpenJDK 64-Bit Server VM Temurin-17.0.19+10 (build 17.0.19+10, mixed mode,
> sharing)
> java -version
> openjdk version "21.0.11" 2026-04-21 LTS
> OpenJDK Runtime Environment Temurin-21.0.11+10 (build 21.0.11+10-LTS)
> OpenJDK 64-Bit Server VM Temurin-21.0.11+10 (build 21.0.11+10-LTS, mixed
> mode, sharing){noformat}
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