> On Aug 13, 2016, at 14:57, Dmitry Nezhevenko <d...@dion.org.ua> wrote:
>
> On Fri, Aug 12, 2016 at 11:59:00PM -0700, Andi Vajda wrote:
>>>
>>> and it still crashes. Playing with -Xmx -Xms, -Xss doesn't help at all.
>>>
>>> Any suggestions about cause of this and possible solution?
>>
>> No one replied to your question so far. I don't have much to add since I
>> have no access to your platform and can't reproduce any of this to debug it.
>> It looks like the symptoms you describe could hint at a version mismatch
>> between the headers you use to compile (and the libs to link) and then the
>> ones you use at runtime. Maybe version skew or 32-bit vs 64-bit (?) or
>> different frameworks.
>> Sorry for not having anything more useful to say.
>>
>> Andi..
>
> Well. I'm pretty sure that this is not header/version mismatch. Because it
> happens in isolated environment with only one JDK installed.
>
> I've replaced jcc.__main__ entry point with wrapper that creates child
> process and passes args to it via stdin instead of sys.argv and it works.
>
> I was able to build pylucene with such wrapper and it passes all tests. So
> I'm pretty sure that it's not header/binary mismatch. Because in such code
> should crash somewhere else.
>
> From my point of view it's stack size limit or something like this.
>
> In any case thanks for you reply. I've working workaround. I know that
> pylucene currently lacks development effort, so this probably will not be
> fixed.
If you send in a patch that fixes it, it mught be :-)
Andi..
>
> In any case if you have time and want to take a look, I can prepare qemu VM
> that reproduces it.
>
> Code that I've used:
>
> # Usage: replace jcc calls with wrapper call:
> #
> # Before:
> # python2.7 -m jcc.__main__ --jar file1.jar ... --build
> #
> # After:
> # debian/jcc_wrapper python2.7 -m jcc.__main__ --jar file1.jar ... --build
> #
> # jcc_wrapper will read all arguments from sys.argv, invoke itself with
> --stdin arg and
> # pass parameters to JCC without touching of sys.argv
>
> import os
> import sys
> import subprocess
>
> if len(sys.argv) > 1 and sys.argv[1] == '--stdin':
> # Child process. Read options and call jcc
> args = sys.stdin.read().split('\n')
>
> # Get rid of -m jcc.__main__ (expected to be first two args)
> if len(args) > 2 and args[1] == '-m':
> del args[1:3]
>
> # python -m jcc fills sys.argv[0] with path to module. Emulate this
> import jcc
> args[0] = os.path.join(jcc.__path__[0], '__main__.py')
>
> from jcc import cpp
> cpp.jcc(args)
> else:
> # parent process. Read opts, and pass them to child
> # expected args: jcc_wrapper python2.7 -m jcc.__main__ ...
> proc = subprocess.Popen([sys.argv[1], sys.argv[0], '--stdin'],
> stdin=subprocess.PIPE)
> proc.stdin.write('\n'.join(sys.argv[1:]))
> proc.stdin.close()
> sys.exit(proc.wait())
>
> --
> WBR, Dmitry
