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https://issues.apache.org/jira/browse/FLINK-24170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17410662#comment-17410662
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Francesco Guardiani commented on FLINK-24170:
---------------------------------------------
Another reference:
https://stackoverflow.com/questions/1012402/maven2-property-that-indicates-the-parent-directory/37965143#37965143
> Building a fresh clone with latest Maven fails
> ----------------------------------------------
>
> Key: FLINK-24170
> URL: https://issues.apache.org/jira/browse/FLINK-24170
> Project: Flink
> Issue Type: Bug
> Components: Build System
> Environment: Maven: 3.8.2
> JDK: 8
> OS: Ubuntu 21.04
> Reporter: Francesco Guardiani
> Priority: Not a Priority
>
> Building with the latest Maven fails during the {{highest-dir}} goal:
>
> {quote}{{Cannot find a single highest directory for this project set. First
> two candidates directories don't share a common root. }}
> {quote}
>
> As suggested on this SO answer
> https://stackoverflow.com/questions/3084629/finding-the-root-directory-of-a-multi-module-maven-reactor-project,
> the {{directory-of}} goal works better
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