[jira] [Created] (HADOOP-19392) class org.apache.hadoop.fs.ftp.FtpTestServer does not compile

["Yaniv Kunda (Jira)" <ji...@apache.org>]

Yaniv Kunda created HADOOP-19392:
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             Summary: class org.apache.hadoop.fs.ftp.FtpTestServer does not compile
                 Key: HADOOP-19392
                 URL: https://issues.apache.org/jira/browse/HADOOP-19392
             Project: Hadoop Common
          Issue Type: Bug
          Components: common
    Affects Versions: 3.5.0
         Environment: MacBook Pro M1
macOS: Sonoma 14.7.2
            Reporter: Yaniv Kunda


Running {{mvn clean install -DskipTests}} within the dev docker container fails with the following error:
{code:java}
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.10.1:testCompile (default-testCompile) on project hadoop-common: Compilation failure: Compilation failure:
[ERROR] /home/ykunda/hadoop/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/ftp/FtpTestServer.java:[28,35] package org.apache.ftpserver.ftplet does not exist
[ERROR] /home/ykunda/hadoop/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/ftp/FtpTestServer.java:[29,35] package org.apache.ftpserver.ftplet does not exist
[ERROR] /home/ykunda/hadoop/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/ftp/FtpTestServer.java:[30,35] package org.apache.ftpserver.ftplet does not exist
[ERROR] /home/ykunda/hadoop/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/ftp/FtpTestServer.java:[45,11] cannot find symbol
[ERROR]   symbol:   class UserManager
[ERROR]   location: class org.apache.hadoop.fs.ftp.FtpTestServer
[ERROR] /home/ykunda/hadoop/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/ftp/FtpTestServer.java:[80,7] cannot find symbol
[ERROR]   symbol:   class Authority
[ERROR]   location: class org.apache.hadoop.fs.ftp.FtpTestServer
[ERROR] /home/ykunda/hadoop/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/ftp/FtpTestServer.java:[80,53] cannot find symbol
[ERROR]   symbol:   class FtpException
[ERROR]   location: class org.apache.hadoop.fs.ftp.FtpTestServer
[ERROR] /home/ykunda/hadoop/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/ftp/TestFTPFileSystem.java:[91,22] cannot access org.apache.ftpserver.ftplet.User
[ERROR]   class file for org.apache.ftpserver.ftplet.User not found {code}
The missing classes belong to the {{org.apache.ftpserver:ftplet-api}} dependency.

The {{hadoop-common}} module's {{pom.xml}} file declares a test dependency on 
org.apache.ftpserver:ftpserver-core, which transitively uses {{{}ftplet-api{}}}.
Running maven with {{-X}} sheds some light:
{code:java}
[WARNING] The POM for org.apache.ftpserver:ftpserver-core:jar:1.0.0 is invalid, transitive dependencies (if any) will not be available: 12 problems were encountered while building the effective model for org.apache.ftpserver:ftpserver-core:1.0.0
[ERROR] 'dependencies.dependency.version' for org.apache.ftpserver:ftplet-api:jar is missing. @ 
...{code}
My thoughts are that the specific maven version used in the dev env (3.6.3) has issues with the pom file of the specific ftpserver-core version used.
Updating the `org.apache.ftpserver` artifact versions from 1.0.0 to 1.2.0 (the latest) resolves the issue.
 



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