rtadepalli opened a new pull request, #33992:
URL: https://github.com/apache/arrow/pull/33992
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### Rationale for this change
Sometimes tests are flaky because the current port selection algorithm
selects a random port between the ranges 49152-54152. This change makes it such
that the OS will assign the next free port without us searching for a port in
this range.
### What changes are included in this PR?
This PR makes use of `java.net.ServerSocket`'s ability to assign the next
free port if 0 is passed as the port number.
### Are these changes tested?
If existing tests pass, there's confirmation that the Flight server is able
to come up successfully, thereby no new tests should be needed.
### Are there any user-facing changes?
No, there are no user facing changes.
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