Dongjoon Hyun created SPARK-14867:
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Summary: Make `build/mvn` to use the downloaded maven if it exist.
Key: SPARK-14867
URL: https://issues.apache.org/jira/browse/SPARK-14867
Project: Spark
Issue Type: Improvement
Components: Build
Reporter: Dongjoon Hyun
Priority: Trivial
Currently, `build/mvn` provides a convenient option, `--force`, in order to use
the recommended version of maven without changing PATH environment variable.
However, there were two problems.
- `dev/lint-java` does not use the newly installed maven.
- It's not easy to type `--force` option always.
If we use '--force' option once, we had better prefer the Spark recommended
maven.
This issue makes `build/mvn` check the existence of maven installed by
`--force` option first.
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