RFR(xxxs): 8203014: jcmd should output command list if no command is given

[Thomas Stüfe]

Thank you Volker!

@David: I agree with Volker. I'm all for proper processes where they
are necessary, but in this case we are moving in undefined territory.

..Thomas

On Sat, May 12, 2018 at 12:38 PM, Volker Simonis
<volker.simonis at gmail.com> wrote:
> Hi Thomas,
>
> I think the request sounds reasonable and the change looks good.
>
> @David: why should this require a CSR request? I don’t see that the behavior
> for bad command line flags is specified somewhere. So we’re changing an
> undocumented behavior into o more meaningful undocumented behavior.
>
> Regards,
> Volker
>
> David Holmes <david.holmes at oracle.com> schrieb am Sa. 12. Mai 2018 um 11:52:
>>
>> Hi Thomas,
>>
>> Without commenting on the suggestion, this will need a CSR request.
>>
>> Cheers,
>> David
>>
>> On 12/05/2018 6:08 PM, Thomas Stüfe wrote:
>> > Hi,
>> >
>> > may I have reviews for this very small improvement?
>> >
>> > Bug: https://bugs.openjdk.java.net/browse/JDK-8203014
>> > Webrev:
>> > http://cr.openjdk.java.net/~stuefe/webrevs/8203014-jcmd-list-commands-if-no-command-given/webrev.00/webrev/
>> >
>> > When jcmd is invoked with valid target VM id(s) but without command,
>> > the generic help text is output. It would be more convenient if the
>> > target VM would output a list of available commands.
>> >
>> > In other words, "jcmd <target vm>" should behave like "jcmd <target vm>
>> > help".
>> >
>> > Thanks, Thomas
>> >