[jira] [Commented] (FLINK-4813) Having flink-test-utils as a dependency outside Flink fails the build

[ASF GitHub Bot (JIRA)]

    [ 
https://issues.apache.org/jira/browse/FLINK-4813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15870240#comment-15870240
 ] 

ASF GitHub Bot commented on FLINK-4813:
---------------------------------------

Github user StephanEwen commented on a diff in the pull request:

    https://github.com/apache/flink/pull/3322#discussion_r101565321
  
    --- Diff: 
flink-test-utils-parent/flink-test-utils/src/main/java/org/apache/flink/test/util/SecureTestEnvironment.java
 ---
    @@ -37,9 +37,39 @@
     /**
      * Helper {@link SecureTestEnvironment} to handle MiniKDC lifecycle.
      * This class can be used to start/stop MiniKDC and create secure 
configurations for MiniDFSCluster
    - * and MiniYarn
    + * and MiniYarn.
    + *
    + * If you use this class in your project, please make sure to add a 
dependency to
    + * <tt>hadoop-minikdc</tt>, e.g. in your <tt>pom.xml</tt>:
    + * <pre>
    + * ...
    + * &lt;dependencies>
    --- End diff --
    
    If you do the example code as follows, you can use the `<` and make the 
sample more readable.
    ```
    <pre>{@code
    
    <dependency>
        <groupId>org.apache.hadoop</groupId>
        ...
    </dependency>
    
    }</pre>
    ```


> Having flink-test-utils as a dependency outside Flink fails the build
> ---------------------------------------------------------------------
>
>                 Key: FLINK-4813
>                 URL: https://issues.apache.org/jira/browse/FLINK-4813
>             Project: Flink
>          Issue Type: Bug
>          Components: Build System
>    Affects Versions: 1.2.0
>            Reporter: Robert Metzger
>            Assignee: Nico Kruber
>
> The {{flink-test-utils}} depend on {{hadoop-minikdc}}, which has a 
> dependency, which is only resolvable, if the {{maven-bundle-plugin}} is 
> loaded.
> This is the error message
> {code}
> [ERROR] Failed to execute goal on project quickstart-1.2-tests: Could not 
> resolve dependencies for project 
> com.dataartisans:quickstart-1.2-tests:jar:1.0-SNAPSHOT: Failure to find 
> org.apache.directory.jdbm:apacheds-jdbm1:bundle:2.0.0-M2 in 
> https://repo.maven.apache.org/maven2 was cached in the local repository, 
> resolution will not be reattempted until the update interval of central has 
> elapsed or updates are forced -> [Help 1]
> {code}
> {{flink-parent}} loads that plugin, so all "internal" dependencies to the 
> test utils can resolve the plugin.
> Right now, users have to use the maven bundle plugin to use our test utils 
> externally.
> By making the hadoop minikdc dependency optional, we can probably resolve the 
> issues. Then, only users who want to use the security-related tools in the 
> test utils need to manually add the hadoop minikdc dependency + the plugin.



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