[grid][java]: apply protocol version in relay session factory

[VietND96]

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Description

Motivation and Context

A missing in part of last PR #13849 for a workaround in the relay node with Appium

To ensure the fix works, I set up an end2end test where able to execute and verify the session can be created successfully based on the dev package built locally. Result as below

Tested TOML

[server]
port = 5556

[node]
detect-drivers = false

[relay]
url = "http://localhost:4723"
status-endpoint = "/status"
protocol-version = "HTTP/1.1"
configs = [
    '1', '{"platformName": "android", "appium:platformVersion": "14", "appium:deviceName": "emulator-5554", "appium:automationName": "uiautomator2", "appium:browserName": "chrome", "browserName": "chrome"}'
]

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

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Type

Bug fix

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Description

• The PR addresses an issue where the serviceProtocolVersion was not being applied to the clientConfig in RelaySessionFactory.
• This change ensures that if serviceProtocolVersion is provided, it is set in the clientConfig which is used to create a new session.

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Changes walkthrough

	Relevant files
Enhancement	RelaySessionFactory.java Apply Protocol Version in RelaySessionFactory                        java/src/org/openqa/selenium/grid/node/relay/RelaySessionFactory.java Added conditional application of serviceProtocolVersion to clientConfig if it is not empty. +3/-0

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PR Description updated to latest commit (eed2f81)

• Copy walkthrough table to "Files Changed" Tab

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PR Review

⏱️ Estimated effort to review [1-5]	2, because the changes are localized and straightforward, involving only a conditional addition of a protocol version to the client configuration. The logic is simple and the impact is limited to a specific part of the code.
🧪 Relevant tests	No
🔍 Possible issues	Possible Bug: The check for serviceProtocolVersion.isEmpty() assumes that serviceProtocolVersion is not null. If serviceProtocolVersion can be null, this could lead to a NullPointerException. It would be safer to include a null check.
🔒 Security concerns	No

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PR Code Suggestions

Category

Suggestions

Best practice

Use a local variable for the modified client configuration to ensure thread safety. To ensure thread safety and immutability, consider using a local variable for the modified clientConfig when setting the version, instead of reassigning the existing clientConfig variable. This approach avoids potential issues in a multi-threaded environment where clientConfig might be shared or reused. java/src/org/openqa/selenium/grid/node/relay/RelaySessionFactory.java [162-164] +ClientConfig updatedClientConfig = clientConfig; if (!serviceProtocolVersion.isEmpty()) { - clientConfig = clientConfig.version(serviceProtocolVersion); + updatedClientConfig = clientConfig.version(serviceProtocolVersion); } +HttpClient client = clientFactory.createClient(updatedClientConfig);

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[diemol]

Thank you, @VietND96!

[diemol]

I cannot update the fork because maintainers have no permission, this is missing

[VietND96]

@diemol probably the fork in an org and something restricted that I can't remove. Anyhow, I just rebased the branch