Steve Loughran created SPARK-31644:
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             Summary: Make Spark's guava version configurable from the maven 
command line.
                 Key: SPARK-31644
                 URL: https://issues.apache.org/jira/browse/SPARK-31644
             Project: Spark
          Issue Type: Improvement
          Components: Build
    Affects Versions: 3.1.0
            Reporter: Steve Loughran


All future releases of hadoop are going to ship with 27.0 or later, *including 
point releases of the 3.1 branch, which is a mixed blessing.

Pro: 

* it's up to date
* no active CVEs

Con:

 * code which uses things the guava team removed won't compile
 * code built with the later release won't link to older versions due to 
signature overloading, with Preconditions.checkArgument a key example

Making the guava.version spark pulls in an overrideable value makes it possible 
to choose the version to build with alongside the -Dhadoop.version selection of 
hadoop version.



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