Including the traceback:
PythonVersion: 2.6.4
Traceback:
Traceback (most recent call last):
File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 842, in
exception_to_return_code
return the_callable(*args, **kwargs)
File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 1037, in
run_bzr
ret = run(*run_argv)
File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 654, in
run_argv_aliases
return self.run(**all_cmd_args)
File "/usr/lib/python2.6/dist-packages/bzrlib/builtins.py", line 3058, in run
exclude=safe_relpath_files(tree, exclude))
File "/usr/lib/python2.6/dist-packages/bzrlib/decorators.py", line 192, in
write_locked
result = unbound(self, *args, **kwargs)
File "/usr/lib/python2.6/dist-packages/bzrlib/workingtree_4.py", line 197,
in commit
result = WorkingTree3.commit(self, message, revprops, *args, **kwargs)
File "/usr/lib/python2.6/dist-packages/bzrlib/decorators.py", line 192, in
write_locked
result = unbound(self, *args, **kwargs)
File "/usr/lib/python2.6/dist-packages/bzrlib/mutabletree.py", line 229, in
commit
*args, **kwargs)
File "/usr/lib/python2.6/dist-packages/bzrlib/commit.py", line 393, in commit
self.branch.repository, new_revno, self.rev_id)
File "/usr/lib/python2.6/dist-packages/bzrlib/branch.py", line 909, in
import_last_revision_info
self.repository.fetch(source_repo, revision_id=revid)
File "/usr/lib/python2.6/dist-packages/bzrlib/repository.py", line 1695, in
fetch
find_ghosts=find_ghosts, fetch_spec=fetch_spec)
File "/usr/lib/python2.6/dist-packages/bzrlib/decorators.py", line 192, in
write_locked
result = unbound(self, *args, **kwargs)
File "/usr/lib/python2.6/dist-packages/bzrlib/repository.py", line 3413, in
fetch
pb=pb, find_ghosts=find_ghosts)
File "/usr/lib/python2.6/dist-packages/bzrlib/fetch.py", line 81, in __init__
self.__fetch()
File "/usr/lib/python2.6/dist-packages/bzrlib/fetch.py", line 107, in __fetch
self._fetch_everything_for_search(search)
File "/usr/lib/python2.6/dist-packages/bzrlib/fetch.py", line 135, in
_fetch_everything_for_search
stream, from_format, [])
File "/usr/lib/python2.6/dist-packages/bzrlib/repository.py", line 4238, in
insert_stream
return self._locked_insert_stream(stream, src_format, is_resume)
File "/usr/lib/python2.6/dist-packages/bzrlib/repository.py", line 4271, in
_locked_insert_stream
self.target_repo.texts.insert_record_stream(substream)
File "/usr/lib/python2.6/dist-packages/bzrlib/groupcompress.py", line 1608,
in insert_record_stream
for _ in self._insert_record_stream(stream, random_id=False):
File "/usr/lib/python2.6/dist-packages/bzrlib/groupcompress.py", line 1714,
in _insert_record_stream
bytes = record.get_bytes_as('fulltext')
File "/usr/lib/python2.6/dist-packages/bzrlib/groupcompress.py", line 454,
in get_bytes_as
self._manager._prepare_for_extract()
File "/usr/lib/python2.6/dist-packages/bzrlib/groupcompress.py", line 554,
in _prepare_for_extract
self._block._ensure_content(self._last_byte)
File "/usr/lib/python2.6/dist-packages/bzrlib/groupcompress.py", line 158,
in _ensure_content
self._z_content, num_bytes + _ZLIB_DECOMP_WINDOW)
OverflowError: signed integer is greater than maximum
Basically, it seems that we are asking zlib to do the decompression, and
it is telling us that the request is invalid. I'm a bit surprised that
the compression succeeded, to have the decompression fail.
The immediate fix is that we could probably change the single
'decompress()' call into looping over a fixed size decompression (1GB
should be more than reasonable, 1-10MB may be just as good.)
However, I'll note that bzr has a general policy that we may allocate at
least 3x the size of a single file (so in your case, of a 3.8GB file, we
might allocate 3.8*3=11.4GB.) We've tuned commit to not, (it should be
close to 1x), but we also probably have some code paths that still need
to be tuned (some probably allocate >5x the size of a single text).
Anyway, just to say that bzr isn't going to handle a 4GB file
particularly well regardless. But yes, this specific failure could
probably be worked around (I just expect you'll run into quite a few
more problems).
** Summary changed:
- ERROR: exceptions.OverflowError: signed integer is greater than maximum
+ failure to extract content > 2^31 bytes (OverflowError: signed integer is
greater than maximum)
** Also affects: bzr
Importance: Undecided
Status: New
** Changed in: bzr
Importance: Undecided => Low
** Changed in: bzr
Status: New => Confirmed
--
failure to extract content > 2^31 bytes (OverflowError: signed integer is
greater than maximum)
https://bugs.launchpad.net/bugs/531612
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