RFR: 4792: Stop using System.out/err.println and e.printStackTrace [v2]

[Marcus Hirt]

On Mon, 5 Jul 2021 10:23:13 GMT, Jean-Philippe Bempel <jpbempel at openjdk.org> wrote:

>> replaced by java.util.logging logging
>
> Jean-Philippe Bempel has updated the pull request incrementally with one additional commit since the last revision:
> 
>   spotless

agent/src/main/java/org/openjdk/jmc/agent/jfrlegacy/impl/JFRUtils.java line 79:

> 77: 		} catch (NoSuchMethodException | SecurityException e) {
> 78: 			// This should never happen
> 79: 			Agent.getLogger().severe("Failed to find the addEvent method of the producer.");

Let's just roll them up into one logger call with stacktrace.

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PR: https://git.openjdk.java.net/jmc/pull/272