[Improvement-17725][TaskPlugin] SagemakerTask resource leak repair

[niumy0701]

Please refer to the details of main issue #14877
fix #17725

Purpose of the pull request

Brief change log

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This pull request is code cleanup without any test coverage.

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Pull Request Notice

Pull Request Notice

If your pull request contains incompatible change, you should also add it to docs/docs/en/guide/upgrade/incompatible.md

[Copilot]

Pull request overview

This pull request addresses resource leak issues in the SagemakerTask plugin by ensuring proper cleanup of the AWS SageMaker client. The fix adds try-catch-finally blocks to trackApplicationStatus() and cancelApplication() methods to guarantee that client.shutdown() is called even when exceptions occur, preventing resource leaks.

• Adds client cleanup in finally blocks for both trackApplicationStatus() and cancelApplication() methods
• Adds comprehensive unit tests to verify that client shutdown is called even when exceptions are thrown
• Changes initPipelineId() visibility from private to public to enable test mocking

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.

File	Description
SagemakerTask.java	Wraps trackApplicationStatus() and cancelApplication() logic in try-catch-finally blocks to ensure client.shutdown() is always called, fixing resource leaks
SagemakerTaskTest.java	Adds unit tests to verify client.shutdown() is called when exceptions occur in both trackApplicationStatus() and cancelApplication() methods

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[Copilot]

Pull request overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

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[ruanwenjun]

Please provide relevant verification before and after the repair.