RFR: JDK-8180709: java -javaagent:agent.jar with run-time that does not contain java.instrument prints confusing error

[Chris Plummer]

Hi Gary,

Overall looks good. There's one minor change you might wanted to 
consider. It's possible the library failed to load for reasons other 
than java.instrument not being included. I see the error output already 
includes the error message from the failed dll_open() call, so why not 
just suggest that it *may* be due to java.instrument missing rather than 
implying that is known to be the reason why.

thanks,

Chris

On 12/18/17 6:38 AM, Gary Adams wrote:
> Here's a simple fix to include additional information when the 
> instrument library is
> missing from the jre and the command line requests -javaagent.
>
>  Issue: https://bugs.openjdk.java.net/browse/JDK-8180709
>  Webrev: http://cr.openjdk.java.net/~gadams/8180709/webrev.00/
>
>