RFR: 8368754: runtime/cds/appcds/SignedJar.java log regex is to strict

[Ioi Lam]

On Fri, 26 Sep 2025 09:06:40 GMT, Axel Boldt-Christmas <aboldtch at openjdk.org> wrote:

> Any logging which gets enabled (via `-verbose:class` which the test uses, or externally from JTREG) and logs before the line this test is checking for with a tag set which is longer than `class,load` makes the test fail.
> Example:
> Test expects: 
>  * `"[class,load] Hello source: [...]"`
>  
> What it gets when logging with `class,unload` prior to this specific log line: 
>  * `"[class,load ] Hello source: [...]"`
> 
> I suggest we simply allow for any whitespace after the log tags and before the `.`. Unclear why we use `.` and not `]`. But think it works just as well.

Looks good to me. The original code used `.` to avoid quoating the `[` character.

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Marked as reviewed by iklam (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27517#pullrequestreview-3273004033