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Posted to common-dev@hadoop.apache.org by "PJ Fanning (Jira)" <ji...@apache.org> on 2024/09/05 16:36:00 UTC

[jira] [Created] (HADOOP-19269) Upgrade maven-shade-plugin to 3.6.0

PJ Fanning created HADOOP-19269:
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             Summary: Upgrade maven-shade-plugin to 3.6.0
                 Key: HADOOP-19269
                 URL: https://issues.apache.org/jira/browse/HADOOP-19269
             Project: Hadoop Common
          Issue Type: Task
            Reporter: PJ Fanning


I found an issue when testing with Jackson 2.18.0-rc1.
Hadoop bundles the Jackson and other 3rd party classes into Hadoop fat jars using maven-shade-plugin. 
Jackson is a Multi-Release jar. https://openjdk.org/jeps/238
The most recent jackson-core jars have classes that support META-INF/versions/21 classes. The existing maven-shade-plugin version in Hadoop build fails with ASM issues with Java 21 classes. maven-shade-plugin handles them fine.



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