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Re: ov-java.cc-tst fails on Lubuntu 14.04
From: |
Tatsuro MATSUOKA |
Subject: |
Re: ov-java.cc-tst fails on Lubuntu 14.04 |
Date: |
Sat, 6 Jun 2015 14:49:13 +0900 (JST) |
----- Original Message -----
> From: Rik
> To: Tatsuro MATSUOKA
> Cc: Octave-Maintainers
> Date: 2015/6/6, Sat 01:10
> Subject: Re: ov-java.cc-tst fails on Lubuntu 14.04
>
> On 06/04/2015 09:48 PM, Tatsuro MATSUOKA wrote:
>> ----- Original Message -----
>>
>>> From: Tatsuro MATSUOKA
>> To: Rik "octave-maintainers Julien Bect
>>> Cc:
>>> Date: 2015/6/4, Thu 19:55
>>> Subject: Re: ov-java.cc-tst fails on Lubuntu 14.04
>>>
>>> ----- Original Message -----
>>>
>>>> From: Rik
>>>> To: Tatsuro MATSUOKA ; "octave-maintainers; Julien Bect>
> Cc:
>>>> Date: 2015/6/3, Wed 11:53
>>>> Subject: Re: ov-java.cc-tst fails on Lubuntu 14.04
>>>>
>>>> On 06/02/2015 04:28 PM, Tatsuro MATSUOKA wrote:
>>>>>> I was going to wait on the results of your test and
>>>>>> then post to octave-maintainers, but you have beaten me
> to it.
>>>>> I apologize my impolite manner.
>>>> No need to apologize. It's not polite or impolite. You were
> simply
>>>> working on finding a solution quickly.
>>>>
>>>>>> assert (javaMethod ("binarySearch",
>>>> "java.util.Arrays",
>>>>>> single ([90 100 255]), single (255)), 2);
>>>>> This works without problem.
>>>> Well that's good. Maybe the default numeric type for a 32-bit
> JRE is
>>> float
>>>> rather than double? Seems odd though. The 32-bit JRE is supposed
> to be
>>>> about the size of references and therefore about the size of
> addressable
>>>> memory.
>>>>
>>>> --Rik
>>>
>>> I have built octave-4.0.0 on lubunutu 12.04 (32bit) using gcc-4.8.1.
>>> Interestingly "test ov-java.cc-tst" passes.
>>>
>>>>> test ov-java.cc-tst
>>> PASSES 5 out of 5 tests
>>>
>>> On lubuntu 14.04 (32 bit), I have used openjdk-7-jdk, openjdk-7-jre,
>>> openjdk-7-jre-headless (7u79-2.5.5-0ubuntu)
>>> while on 12.04, I have used openjdk-6-jdk, openjdk-6-jre,
>>> and openjdk-6-jre-headless (6b35-1.13.7-1ubunutu0.12.04.2).
>>>
>>> I do not know the difference comes from the openjdk version difference
> at the
>>> moment.
>>>
>>> On ubuntu 12.04, one can use openjdk-7. I may try it tomorrow if I have
> time.
>>>
>>> Tatsuro
>>
>> The origin of the FAIL in ov-java.cc-tst comes from openjdk-7 on ubuntu 32
> bit.
>>
>> I have installed the openjdk-7 (it is not default for ubunut 12.04. For
> 12.04,
>> the openjdk-6 is default.) and built octave against it .
>>
>>>> assert (javaMethod ("binarySearch",
> "java.util.Arrays", [90 100 255], 255), 2);
>> error: [java] java.lang.ClassCastException: java.lang.Double cannot be cast
> to java.lang.Float
>> error: evaluating argument list element number 1
>>
>> Of course, the modified test that you have shown is passed;
>>>> assert (javaMethod ("binarySearch",
> "java.util.Arrays", single ([90 100 255]), single (255)), 2);
>> I do not know why 32 bit version openjdk-7 changes the behavior from that
> in openjdk-6.
>>
>> Tatsuro
>>
>
> Tatsuro,
>
> You have collected a lot of good information about the bug. Could you file
> a bug report at bugs.octave.org so that this information does not get lost?
>
> I think it will require someone very familiar with Octave's Java interface
> to work through this, but at least it is narrowed down to 32-bit
> architectures running openjdk-7.
>
> --Rik
I have filed the issue to the bug tracker.
https://savannah.gnu.org/bugs/?45264
Further discussion on this item will be done the above the tracker.
Tatsuro
- Re: ov-java.cc-tst fails on Lubuntu 14.04, Tatsuro MATSUOKA, 2015/06/02
- Re: ov-java.cc-tst fails on Lubuntu 14.04, Rik, 2015/06/02
- Re: ov-java.cc-tst fails on Lubuntu 14.04, Tatsuro MATSUOKA, 2015/06/02
- Re: ov-java.cc-tst fails on Lubuntu 14.04, Rik, 2015/06/02
- Re: ov-java.cc-tst fails on Lubuntu 14.04, Tatsuro MATSUOKA, 2015/06/04
- Re: ov-java.cc-tst fails on Lubuntu 14.04, Tatsuro MATSUOKA, 2015/06/05
- Re: ov-java.cc-tst fails on Lubuntu 14.04, Philip Nienhuis, 2015/06/05
- Re: ov-java.cc-tst fails on Lubuntu 14.04, Tatsuro MATSUOKA, 2015/06/05
- Re: ov-java.cc-tst fails on Lubuntu 14.04, Rik, 2015/06/05
- Re: ov-java.cc-tst fails on Lubuntu 14.04,
Tatsuro MATSUOKA <=