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[SPARK-58056][CORE] Improve NettyStreamManager to serve only files under the registered directory#57151

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[SPARK-58056][CORE] Improve NettyStreamManager to serve only files under the registered directory#57151
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dongjoon-hyun:SPARK-58056

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@dongjoon-hyun

@dongjoon-hyun dongjoon-hyun commented Jul 9, 2026

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What changes were proposed in this pull request?

This PR aims to improve NettyStreamManager to serve only files under the registered directory for Apache Spark 4.3.0.

Why are the changes needed?

To be robust and align with addFile/addJar, which already canonicalize.

Does this PR introduce any user-facing change?

No.

How was this patch tested?

Pass the CIs with the newly added NettyStreamManagerSuite.

Was this patch authored or co-authored using generative AI tooling?

Generated-by: Claude Fable 5

@dongjoon-hyun

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cc @HyukjinKwon

@dongjoon-hyun

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Thank you, @HyukjinKwon .

dongjoon-hyun added a commit that referenced this pull request Jul 9, 2026
…under the registered directory

### What changes were proposed in this pull request?

This PR aims to improve `NettyStreamManager` to serve only files under the registered directory for Apache Spark 4.3.0.

### Why are the changes needed?

To be robust and align with `addFile`/`addJar`, which already canonicalize.

### Does this PR introduce _any_ user-facing change?

No.

### How was this patch tested?

Pass the CIs with the newly added `NettyStreamManagerSuite`.

### Was this patch authored or co-authored using generative AI tooling?

Generated-by: Claude Fable 5

Closes #57151 from dongjoon-hyun/SPARK-58056.

Authored-by: Dongjoon Hyun <dongjoon@apache.org>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
(cherry picked from commit 5388eba)
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
@dongjoon-hyun

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Merge Summary:

Posted by merge_spark_pr.py

@dongjoon-hyun dongjoon-hyun deleted the SPARK-58056 branch July 9, 2026 06:15
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