RFR: 8288885: Introduce a jwebserver launcher utility in test library for jtreg tests

[Alan Bateman]

On Wed, 22 Jun 2022 06:09:39 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

> Can I please get a review for this change which adds a utility to the JDK test library to help launch the JWebServer? As noted in the JBS issue, this utility does the necessary work to make sure when the `launch()` method returns, the jwebserver is ready to receive requests. This helps remove a lot of boilerplate code from individual tests.
> 
> As part of this commit, the existing `MaxRequestTimeTest` has been migrated to use this new utility. This existing test continues to pass with this change.
> 
> tier1, tier2 and tier3 testing passed without any related issues.

If a test needs an "in-process" HTTP server then it is easy to use the com.sun.net.httpserver API directly or use ToolProvider to find jwebserver. So I think the use-case you are looking at is JDK tests that want a HTTP server in a separate process, is that right? It's important that such tests need to be able to clean up. If I read the proposal correctly then they must call Process:destroy, is that right?

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PR: https://git.openjdk.org/jdk/pull/9232