RFR(T) : 8225450 : use @file in CtwRunner

[Vladimir Kozlov]

Good.

Thanks,
Vladimir

On 6/6/19 11:35 AM, Igor Ignatyev wrote:
> http://cr.openjdk.java.net/~iignatyev//8225450/webrev.00/index.html
>> 34 lines changed: 5 ins; 0 del; 29 mod;
> 
> Hi all,
> 
> could you please review this trivial patch for CtwRunner which makes it more robust?
> from JBS:
>> I've noticed that CtwRunner might fail when used to compile a big set of jar files on windows due to exceeding command line length limit. the fix is to save command line to a file and pass this file to java launcher as @file.
> 
> webrev: http://cr.openjdk.java.net/~iignatyev//8225450/webrev.00/index.html
> JBS: https://bugs.openjdk.java.net/browse/JDK-8225450
> testing:
>   - test/hotspot/jtreg/applications/ctw/modules
>   - manually check that the previously failing execution works on windows
> 
> Thanks,
> -- Igor
>