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Description of problem:

/usr/bin/mvn calls "which" if JAVA_HOME is not defined in the environment when it is invoked. However, the RPM does not depend upon the "which" RPM, so "which" may not be installed.


Version-Release number of selected component (if applicable):

3.6.2-6.module+el8.4.0+9250+1786af37

How reproducible:


Steps to Reproduce:
1. unset JAVA_HOME
2. mvn
3.

Actual results:

$ mvn
/usr/bin/mvn: line 98: which: command not found
The JAVA_HOME environment variable is not defined correctly
This environment variable is needed to run this program
NB: JAVA_HOME should point to a JDK not a JRE

Expected results:

$ mvn
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  0.052 s
[INFO] Finished at: 2021-09-27T10:56:36Z
[INFO] ------------------------------------------------------------------------
...


Additional info:

This has been witnessed downstream of the ubi8/openjdk-11 container image, which installs maven, but not which:
https://github.com/quarkusio/quarkus-buildpacks/issues/13

Upstream fix: https://github.com/apache/maven/pull/556

Pre-verification:
Change which adds Requires has been added to dist-git.
Newly built maven Requires `which`.
https://brewweb.engineering.redhat.com/brew/rpminfo?rpmID=11905949

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (maven:3.6 bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2023:2899