RFR: 8263203: jconsole Online User Guide has wrong URL

[Mandy Chung]

On Mon, 7 Jun 2021 19:36:23 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

> The URL for the users guide, referenced from both the About dialog and from the "Help -> Online Users Guide" menu item, has not functioned for a few releases due the restructuring of the JDK online docs. This PR fixes the URL. Note I also filed JDK-8268351 to get rid of the URL, but for 17 I prefer to just fix the URL.
> 
> BTW, the change to MANAGE_HOTSPOT_MBEANS_IN_COLON_ is just my editor automatically getting rid of an extra space at the end of the line.

Hi Chris, 

It has been a while but I think this may intend to link to the User Guide (not the tool reference)
   https://docs.oracle.com/en/java/javase/16/management/using-jconsole.html

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PR: https://git.openjdk.java.net/jdk/pull/4399