jdk15 on 6.0

[Helge Preuss]

james g. wrote:
>
> On Apr 2, 2006, at 11:41 AM, Andrew Pantyukhin wrote:
>
>> On 4/2/06, james g. <james at veldt.com> wrote:
>>> FreeBSD Land:
>>>
>>> I've seen this question asked on this very list, and once or twice on
>>> the web, but have yet to find a solution.
>>>
>>> I'm attempting to compile jdk15 on an older machine, and at first
>>> attempted it on a 4.11 install. The failures there encouraged me to
>>> finally upgrade the machine to 6.0.
>>>
>>> So now, I have a fully patched, fresh 6.0 installation. The machine
>>> has 128MB physical ram, and I doubled the default swap space. When I
>>> continued to run into memory errors while attempting to compile the
>>> jdk, I added an additional swap file of 512MB. Even with all this
>>> additional swap space, I'm getting the following compilation error
>>> every time:
>>>
>>> `/usr/ports/java/jdk15/work/control/build/bsd-i586/hotspot-i586/tmp/
>>> bsd_i486_compiler2/jvmg'
>>> gmake[3]: Entering directory `/usr/ports/java/jdk15/work/control/
>>> build/bsd-i586/hotspot-i586/tmp/bsd_i486_compiler2/jvmg'
>>> Compiling ../generated/adfiles/ad_i486.cpp
>>> virtual memory exhausted: Cannot allocate memory
>>> gmake[3]: *** [ad_i486.o] Error 1
>>> gmake[3]: Leaving directory `/usr/ports/java/jdk15/work/control/build/
>>> bsd-i586/hotspot-i586/tmp/bsd_i486_compiler2/jvmg'
>>> gmake[2]: *** [the_vm] Error 2
>>> gmake[2]: Leaving directory `/usr/ports/java/jdk15/work/control/build/
>>> bsd-i586/hotspot-i586/tmp/bsd_i486_compiler2/jvmg'
>>> gmake[1]: *** [jvmg] Error 2
>>> gmake[1]: Leaving directory `/usr/ports/java/jdk15/work/control/build/
>>> bsd-i586/hotspot-i586/tmp'
>>> gmake: *** [jvmg] Error 2
>>> *** Error code 2
>>>
>>> Stop in /usr/ports/java/jdk15.
>>>
>>>
>>> Does jdk15 really require more swapspace? I don't making the
>>> additional swap file larger, but pushing 1GB of swap already is
>>> leading me to believe there is another cause.
>>>
>>> Any help is greatly appreciated, as I'd really like to get jdk15
>>> installed and running on this specific machine, despite it's age.
>>>
>>> Cheers,
>>> James
>>>
>>
>> AFAICT yes, it is possible that 1Gb (try 2Gb to be sure) swap
>> will solve it. I can start trying to imagine how long it would take
>> to compile jdk15, though. And even if you do succeed, an
>> average java application can take about 100Mb of RAM
>> right from the start. So you should really choose between a
>> newer box and a sensible programming language.
>
> Thanks for the tip. I upped the additional swapfile size to 2GB and
> tried again, with the same results.
>
> Granted I understand that expecting so much from this little machine
> is really pushing it, it will eventually just be running a small
> java-based server, that unfortunately requires jdk15. I wouldn't ever
> choose it on purpose.
>
> With a total swap size of roughly 2.5GB still generating failures, is
> this a lost cause, or should I be looking for additional solutions?
Hmm. I successfully compiled jdk15 with 256 MB RAM and 1 GB swap on an
i386 machine. I suspect some other problem with your system. I can offer
no speculation to the nature of your problem though.

Greets,
Helge