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

[David Holmes]

On 13/05/2018 2:40 AM, Thomas Stüfe wrote:
> 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.

CSR request is needed when "Adding, removing, or changing a command line 
option". [1] The lack of documented behaviour just makes the 
compatibility argument easier to make.

Thanks,
David

[1] https://wiki.openjdk.java.net/display/csr/CSR+FAQs

> ..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
>>>>