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fix(lineage) Fix possible null pointer exception in UpstreamLineagesMapper #6147

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chriscollins3456
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If there's no upstreams or downstreams on fineGrainedLineage then we get a null pointer exception. Adds a check to ensure they exist before mapping them to the final result object.

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  • The PR conforms to DataHub's Contributing Guideline (particularly Commit Message Format)
  • Links to related issues (if applicable)
  • Tests for the changes have been added/updated (if applicable)
  • Docs related to the changes have been added/updated (if applicable). If a new feature has been added a Usage Guide has been added for the same.
  • For any breaking change/potential downtime/deprecation/big changes an entry has been made in Updating DataHub

@github-actions github-actions bot added the product PR or Issue related to the DataHub UI/UX label Oct 7, 2022
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github-actions bot commented Oct 7, 2022

Unit Test Results (build & test)

597 tests  ±0   593 ✔️ ±0   11m 48s ⏱️ -21s
147 suites ±0       4 💤 ±0 
147 files   ±0       0 ±0 

Results for commit d38f5fe. ± Comparison against base commit b8513ae.

@chriscollins3456 chriscollins3456 merged commit 2e2ef53 into datahub-project:master Oct 7, 2022
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