JDK-8211844 [aix] ProcessBuilder: Piping between created processes does not work.

Roger Riggs Roger.Riggs at oracle.com
Tue Dec 11 14:17:31 UTC 2018


Yes please, with the Solaris update.

Thanks, Roger

On 12/11/2018 02:52 AM, Volker Simonis wrote:
> Hi Roger,
>
> just to clarify - do you want us to push the last version [1] which
> adds "|| forceNullOutputStream)" to the Solaris version as well?
>
> Thank you and best regards,
> Volker
>
> [1] http://cr.openjdk.java.net/~sgroeger/jtreg/8211844/webrev.01/
> On Mon, Dec 10, 2018 at 6:30 PM Roger Riggs <Roger.Riggs at oracle.com> wrote:
>> Hi,
>>
>> The change looks fine and passes the current tests.
>> So ok to push.
>>
>> I think the test isn't correct, but I have not yet worked up a revised test.
>>
>> Thanks, Roger
>>
>> On 12/10/2018 09:00 AM, Lindenmaier, Goetz wrote:
>>> Hi Steve,
>>>
>>> I will push it once Roger gives his ok.
>>>
>>> Best regards,
>>>     Goetz.
>>>
>>>> -----Original Message-----
>>>> From: Steve Groeger <GROEGES at uk.ibm.com>
>>>> Sent: Montag, 10. Dezember 2018 14:42
>>>> To: Lindenmaier, Goetz <goetz.lindenmaier at sap.com>
>>>> Cc: core-libs-dev at openjdk.java.net; Roger Riggs <Roger.Riggs at oracle.com>
>>>> Subject: RE: JDK-8211844 [aix] ProcessBuilder: Piping between created
>>>> processes does not work.
>>>>
>>>> Hi Goetz,
>>>>
>>>> It is good that the tests you ran passed. What needs to be done now to get
>>>> this change pushed into the main code?
>>>>
>>>> Thanks
>>>> Steve Groeger
>>>> IBM Runtime Technologies
>>>> Hursley, Winchester
>>>> Tel: (44) 1962 816911  Mobex: 279990  Mobile: 07718 517 129
>>>> Fax (44) 1962 816800
>>>> Lotus Notes: Steve Groeger/UK/IBM
>>>> Internet: groeges at uk.ibm.com
>>>>
>>>> Unless stated otherwise above:
>>>> IBM United Kingdom Limited - Registered in England and Wales with number
>>>> 741598.
>>>> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6
>>>> 3AU
>>>>
>>>>
>>>>
>>>> From:        "Lindenmaier, Goetz" <goetz.lindenmaier at sap.com>
>>>> To:        Steve Groeger <GROEGES at uk.ibm.com>, Roger Riggs
>>>> <Roger.Riggs at oracle.com>
>>>> Cc:        "core-libs-dev at openjdk.java.net" <core-libs-dev at openjdk.java.net>
>>>> Date:        10/12/2018 10:06
>>>> Subject:        RE: JDK-8211844 [aix] ProcessBuilder: Piping between created
>>>> processes does not work.
>>>>
>>>> ________________________________
>>>>
>>>>
>>>>
>>>>
>>>> Hi,
>>>>
>>>> I ran the fix through our tests. There are no new regressions, and the
>>>> addressed test works.
>>>>
>>>> So reviewed from my side.
>>>>
>>>> I increased the bug to P3 so we can push it to jdk12 in case we
>>>> miss Thursday.
>>>>
>>>> Best regards,
>>>>    Goetz.
>>>>
>>>>> -----Original Message-----
>>>>> From: core-libs-dev <core-libs-dev-bounces at openjdk.java.net> On Behalf
>>>> Of
>>>>> Steve Groeger
>>>>> Sent: Freitag, 7. Dezember 2018 19:08
>>>>> To: Roger Riggs <Roger.Riggs at oracle.com>
>>>>> Cc: core-libs-dev at openjdk.java.net
>>>>> Subject: Re: JDK-8211844 [aix] ProcessBuilder: Piping between created
>>>>> processes does not work.
>>>>>
>>>>> Hi Roger,
>>>>>
>>>>> I have made the same change to the Solaris code and also removed the test
>>>>> from the ProblemList.txt
>>>>> I have created a webrev here:
>>>>> http://cr.openjdk.java.net/~sgroeger/jtreg/8211844/webrev.01/
>>>> <http://cr.openjdk.java.net/~sgroeger/jtreg/8211844/webrev.01/>
>>>>> Hope you can now test t
>>>>>
>>>>> Thanks
>>>>> Steve Groeger
>>>>> IBM Runtime Technologies
>>>>> Hursley, Winchester
>>>>> Tel: (44) 1962 816911  Mobex: 279990  Mobile: 07718 517 129
>>>>> Fax (44) 1962 816800
>>>>> Lotus Notes: Steve Groeger/UK/IBM
>>>>> Internet: groeges at uk.ibm.com
>>>>>
>>>>> Unless stated otherwise above:
>>>>> IBM United Kingdom Limited - Registered in England and Wales with
>>>> number
>>>>> 741598.
>>>>> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6
>>>>> 3AU
>>>>>
>>>>>
>>>>>
>>>>> From:   Roger Riggs <Roger.Riggs at oracle.com>
>>>>> To:     core-libs-dev at openjdk.java.net
>>>>> Date:   07/12/2018 14:55
>>>>> Subject:        Re: JDK-8211844 [aix] ProcessBuilder: Piping between
>>>>> created processes does not work.
>>>>> Sent by:        "core-libs-dev" <core-libs-dev-bounces at openjdk.java.net>
>>>>>
>>>>>
>>>>>
>>>>> Hi,
>>>>>
>>>>> I notice that the Solaris case also does not include "||
>>>>> forceNullOutputStream".
>>>>> I'll have to investigate why the Pipeline test didn't fail on Solaris.
>>>>>
>>>>> Please add that to the patch and I'll run it through our tests.
>>>>>
>>>>> Thanks, Roger
>>>>>
>>>>> On 12/07/2018 03:05 AM, Volker Simonis wrote:
>>>>>> Hi Steve,
>>>>>>
>>>>>> thanks a lot for this fix. I'm forwarding this to core-libs-dev as
>>>>>> well, because that's where the review has to take place. The
>>>>>> "ppc-aix-port-dev" list is mostly a marker for the port maintainers to
>>>>>> get their attention on relevant changes (so cross-posting is fine in
>>>>>> this case :)
>>>>>>
>>>>>> On Thu, Dec 6, 2018 at 4:26 PM Steve Groeger <GROEGES at uk.ibm.com>
>>>>> wrote:
>>>>>>> Hi all,
>>>>>>>
>>>>>>> I have been investigating the issue
>>>>> https://bugs.openjdk.java.net/browse/JDK-8211844
>>>> <https://bugs.openjdk.java.net/browse/JDK-8211844>
>>>>> raised by Goetz Lindenmaier which is related to the
>>>>>>> jdk/java/lang/ProcessBuilder/PipelineTest.java JTReg test failing on
>>>>> AIX. Having done some investigation I have a potential fix fore the issue:
>>>>>>> diff -r 9501a7b59111
>>>>> src/java.base/unix/classes/java/lang/ProcessImpl.java
>>>>>>> --- a/src/java.base/unix/classes/java/lang/ProcessImpl.java     Mon Dec
>>>>> 03 14:28:19 2018 +0300
>>>>>>> +++ b/src/java.base/unix/classes/java/lang/ProcessImpl.java     Thu Dec
>>>>> 06 15:01:03 2018 +0000
>>>>>>> @@ -446,7 +446,7 @@
>>>>>>>                             ProcessBuilder.NullOutputStream.INSTANCE :
>>>>>>>                             new ProcessPipeOutputStream(fds[0]);
>>>>>>>
>>>>>>> -                stdout = (fds[1] == -1) ?
>>>>>>> +                stdout = (fds[1] == -1 || forceNullOutputStream) ?
>>>>>>>                              ProcessBuilder.NullInputStream.INSTANCE :
>>>>>>>                              new
>>>>> DeferredCloseProcessPipeInputStream(fds[1]);
>>>>>> Your change looks good and I can sponsor it. Just as a hint for other
>>>>>> reviewers I'd like to mention that this change, albeit in a shared
>>>>>> Java file, is still AIX-only because it is in the "AIX" case of a
>>>>>> switch statement.
>>>>>>
>>>>>> @Steve: can you please verify, that your change introduces no
>>>>>> regression by running the complete jtreg test suite.
>>>>>>
>>>>>> Thank you and best regards,
>>>>>> Volker
>>>>>>
>>>>>>> I would appreciate any feedback please, and for someone to be a
>>>> sponsor
>>>>> for this and to contributute it to OpenJDK.
>>>>>>> Steve Groeger
>>>>>>> IBM Runtime Technologies
>>>>>>> Hursley, Winchester
>>>>>>> Tel: (44) 1962 816911  Mobex: 279990  Mobile: 07718 517 129
>>>>>>> Fax (44) 1962 816800
>>>>>>> Lotus Notes: Steve Groeger/UK/IBM
>>>>>>> Internet: groeges at uk.ibm.com
>>>>>>>
>>>>>>> Unless stated otherwise above:
>>>>>>> IBM United Kingdom Limited - Registered in England and Wales with
>>>>> number 741598.
>>>>>>> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire
>>>> PO6
>>>>> 3AU
>>>>>>> Unless stated otherwise above:
>>>>>>> IBM United Kingdom Limited - Registered in England and Wales with
>>>>> number 741598.
>>>>>>> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire
>>>> PO6
>>>>> 3AU
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Unless stated otherwise above:
>>>>> IBM United Kingdom Limited - Registered in England and Wales with
>>>> number
>>>>> 741598.
>>>>> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6
>>>>> 3AU
>>>>
>>>>
>>>> Unless stated otherwise above:
>>>> IBM United Kingdom Limited - Registered in England and Wales with number
>>>> 741598.
>>>> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6
>>>> 3AU



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