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Fixed usage of libarrow built from the git checkout not the released version from apt#49432

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GavkareShubham wants to merge 1 commit intoapache:mainfrom
GavkareShubham:fix/buildMismatchprevent
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Fixed usage of libarrow built from the git checkout not the released version from apt#49432
GavkareShubham wants to merge 1 commit intoapache:mainfrom
GavkareShubham:fix/buildMismatchprevent

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@GavkareShubham
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What changes are included in this PR?

The key change is adding unset LD_LIBRARY_PATH before the macOS troubleshooting section. This ensures that when R loads the package, it uses the libarrow built from the git checkout (which matches the R package build), not the released version from apt.

This approach:
Still tests the troubleshooting documentation as intended
Prevents the ABI mismatch by ensuring the R package uses the libarrow it was built against
Works during the release gap when git checkout and released versions differ

Are these changes tested?

No

#49380

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github-actions bot commented Mar 2, 2026

Thanks for opening a pull request!

If this is not a minor PR. Could you open an issue for this pull request on GitHub? https://github.com/apache/arrow/issues/new/choose

Opening GitHub issues ahead of time contributes to the Openness of the Apache Arrow project.

Then could you also rename the pull request title in the following format?

GH-${GITHUB_ISSUE_ID}: [${COMPONENT}] ${SUMMARY}

or

MINOR: [${COMPONENT}] ${SUMMARY}

See also:

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