On Mon, 29 Sep 2025 23:36:00 GMT, Henry Jen <[email protected]> wrote:

> Since parameters is an opt-in choice, it's more reasonable to consider that's 
> desired information and make strip parameter names an opt-in choice as well.
> 
> This PR changes the default behavior of --strip-debug to keep parameter names 
> when it's available. Add opt-in mechanism,
> via the strip-java-debug-attributes plugin by using argument 
> `--strip-java-debug-attributes=+parameter-names`.
> 
> The --strip-debug option is a little bit odd, as it's a main option as well 
> as a plugin option to enable the DefaultStripDebugPlugin, which strip native 
> debug information on platform support the feature, and strip java debug 
> information. In this PR, we chose to support only one mechanism to enable 
> strip parameter names, so we would disable the embed 
> StripJavaDebugAttributesPlugin when StripJavaDebugAttributesPlugin is enabled.
> 
> The StripParameterNamesTest illustrate and verify parameter names use cases, 
> mainly focus on argument processing and the parameter names. We didn't verify 
> the regular debug info as that's covered by existing test.
> 
> -- Update
> 
> The latest change removed the support of strip parameter names, as the 
> MethodParameters attribute is considered necessary attribute to fulfill Java 
> Language Spec even though this attribute is considered optional by JVM spec.

This pull request has now been integrated.

Changeset: b83e7939
Author:    Henry Jen <[email protected]>
URL:       
https://git.openjdk.org/jdk/commit/b83e7939dd9401314f2351a9fefd1e212387c6e5
Stats:     296 lines in 5 files changed: 289 ins; 2 del; 5 mod

8347007: --strip-debug removes parameter names included with -parameters

Reviewed-by: alanb

-------------

PR: https://git.openjdk.org/jdk/pull/27566

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