RFR(XXS): 8242844: clean some error typos and log format

[Erik Gahlin]

Looks good.

Erik

> On 15 Apr 2020, at 14:59, Denghui Dong <denghui.ddh at alibaba-inc.com> wrote:
> 
> Hi team,
> 
> Could you please review this small and trivial patch?
> Just clean some typos and log format I found.
> 
> For example:
> in jdk.jfr.consumer.RecordedObject#getDuration(java.lang.String)
>        throw newIllegalArgumentException(name, "java,time.Instant"); 
> 
> "java,time.Duration" should be "java.time.Duration"
> 
> JBS: https://bugs.openjdk.java.net/browse/JDK-8242844
> webrev: http://cr.openjdk.java.net/~ddong/8242844/webrev.00/
> 
> Thanks,
> Denghui Dong