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Posted to common-issues@hadoop.apache.org by "Shilun Fan (Jira)" <ji...@apache.org> on 2025/10/07 16:00:00 UTC

[jira] [Resolved] (HADOOP-19717) Resolve build error caused by missing Checker Framework (NonNull not recognized)

     [ https://issues.apache.org/jira/browse/HADOOP-19717?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shilun Fan resolved HADOOP-19717.
---------------------------------
       Fix Version/s: 3.5.0
        Hadoop Flags: Reviewed
    Target Version/s: 3.5.0
          Resolution: Fixed

> Resolve build error caused by missing Checker Framework (NonNull not recognized)
> --------------------------------------------------------------------------------
>
>                 Key: HADOOP-19717
>                 URL: https://issues.apache.org/jira/browse/HADOOP-19717
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: hdfs, tos
>            Reporter: Shilun Fan
>            Assignee: Shilun Fan
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.5.0
>
>
> In the recent build, we encountered the following issue: *org.checkerframework.checker.nullness.qual.NonNull* could not be recognized, and the following error was observed.
> {code:java}
> [ERROR] /home/jenkins/jenkins-agent/workspace/hadoop-multibranch_PR-8011/ubuntu-focal/src/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcServer.java:[216,50] package org.checkerframework.checker.nullness.qual does not exist
> [ERROR] /home/jenkins/jenkins-agent/workspace/hadoop-multibranch_PR-8011/ubuntu-focal/src/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcServer.java:[2509,30] cannot find symbol
> [ERROR]   symbol:   class NonNull
> [ERROR]   location: class org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.AsyncThreadFactory
>  {code}
> I checked the usage in the related modules, and we should use *org.apache.hadoop.thirdparty.org.checkerframework.checker.nullness.qual.NonNull* instead of directly using {*}org.checkerframework.checker.nullness.qual.NonNull{*}.
>  



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