What version are you running?
2.5.7
What's the URL of the page containing the problem?
someserver/r/16/diff/1#index_header
What steps will reproduce the problem?

Making any changes to the code
commiting the changes
using "rbt post"


What is the expected output? What do you see instead?
Expected to see the diff. 
There was an error displaying this diff.

The patch to 'README.md' didn't apply cleanly. The temporary files have been left in '/tmp/reviewboard.8EC481' for debugging purposes.

patch returned: 


 This may be a bug in the software, a temporary outage, or an issue
 with the format of your diff.





 Please try again, and if you still have trouble,
 contact support.

This is the error log


Traceback (most recent call last):

File "/usr/local/lib/python2.7/dist-packages/reviewboard/diffviewer/views.py", line 299, in get

    response = renderer.render_to_response(request)

  File "/usr/local/lib/python2.7/dist-packages/reviewboard/diffviewer/renderers.py", line 56, in render_to_response

    return HttpResponse(self.render_to_string(request))

  File "/usr/local/lib/python2.7/dist-packages/reviewboard/diffviewer/renderers.py", line 74, in render_to_string

    large_data=True)

  File "/usr/local/lib/python2.7/dist-packages/djblets/cache/backend.py", line 295, in cache_memoize

    compress_large_data))

  File "/usr/local/lib/python2.7/dist-packages/djblets/cache/backend.py", line 249, in cache_memoize_iter

    items = items_or_callable()

  File "/usr/local/lib/python2.7/dist-packages/djblets/cache/backend.py", line 292, in <lambda>

    lambda: [lookup_callable()],

  File "/usr/local/lib/python2.7/dist-packages/reviewboard/diffviewer/renderers.py", line 73, in <lambda>

    lambda: self.render_to_string_uncached(request),

  File "/usr/local/lib/python2.7/dist-packages/reviewboard/diffviewer/renderers.py", line 87, in render_to_string_uncached

    request=request)

  File "/usr/local/lib/python2.7/dist-packages/reviewboard/diffviewer/diffutils.py", line 667, in populate_diff_chunks

    chunks = list(generator.get_chunks())

  File "/usr/local/lib/python2.7/dist-packages/reviewboard/diffviewer/chunk_generator.py", line 756, in get_chunks

    for chunk in super(DiffChunkGenerator, self).get_chunks(cache_key):

  File "/usr/local/lib/python2.7/dist-packages/reviewboard/diffviewer/chunk_generator.py", line 107, in get_chunks

    large_data=True)

  File "/usr/local/lib/python2.7/dist-packages/djblets/cache/backend.py", line 295, in cache_memoize

    compress_large_data))

  File "/usr/local/lib/python2.7/dist-packages/djblets/cache/backend.py", line 249, in cache_memoize_iter

    items = items_or_callable()

  File "/usr/local/lib/python2.7/dist-packages/djblets/cache/backend.py", line 292, in <lambda>

    lambda: [lookup_callable()],

  File "/usr/local/lib/python2.7/dist-packages/reviewboard/diffviewer/chunk_generator.py", line 106, in <lambda>

    lambda: list(self.get_chunks_uncached()),

  File "/usr/local/lib/python2.7/dist-packages/reviewboard/diffviewer/chunk_generator.py", line 763, in get_chunks_uncached

    new = get_patched_file(old, self.filediff, self.request)

  File "/usr/local/lib/python2.7/dist-packages/reviewboard/diffviewer/diffutils.py", line 233, in get_patched_file

    return patch(diff, buffer, filediff.dest_file, request)

  File "/usr/local/lib/python2.7/dist-packages/reviewboard/diffviewer/diffutils.py", line 169, in patch

    'output': stderr,

Exception: The patch to 'README.md' didn't apply cleanly. The temporary files have been left in '/tmp/reviewboard.vEIWOG' for debugging purposes.

patch returned:
What operating system are you using? What browser?
Ubuntu 14.04, Chrome, firefox
Please provide any additional information below.
On using rbt post -d, the following output was seen:






RBTools 0.7.5


Python 2.7.6 (default, Oct 26 2016, 20:30:19) 

[GCC 4.8.4]

Running on Linux-3.13.0-76-generic-x86_64-with-Ubuntu-14.04-trusty

Home = /homes/somename

Current directory = /homes/somename/somefolder

Checking for a Subversion repository...

Running: svn --non-interactive info

Command exited with rc 126: ['svn', '--non-interactive', u'info']

/volume/buildtools/bin/svn: 99: exec: /volume/labtools/bin/svn: Permission denied













Checking for a Git repository...

Running: git rev-parse --git-dir

Running: git config core.bare

Running: git rev-parse --show-toplevel

Running: git symbolic-ref -q HEAD

Running: git config --get branch.master.merge

Running: git config --get branch.master.remote

Running: git config --get remote.origin.url

repository info: Path: https://git.somepath, Base path: , Supports changesets: False

Making HTTP GET request to http://someserver/api/

Running: git rev-parse refs/heads/master

Running: git merge-base 941983aaa9f032d1fb49bf45481936b674eb5896 origin/master

Running: git rev-parse 64e8962084075fba4884c6cb858501800d8a58f8

Running: git status --porcelain --untracked-files=no

Running: git rev-parse --git-dir

Running: git version

Running: git -c core.quotepath=false -c diff.noprefix=false diff --no-color --full-index --ignore-submodules -M --no-ext-diff 64e8962084075fba4884c6cb858501800d8a58f8..941983aaa9f032d1fb49bf45481936b674eb5896

Making HTTP GET request to http://someserver/api/validation/diffs/

Cached response for HTTP GET http://someserver/api/validation/diffs/ expired and was modified

Making HTTP POST request to http://someserver/api/validation/diffs/

Making HTTP GET request to http://someserver/api/review-requests/?only-links=create&only-fields=

Cached response for HTTP GET http://someserver/api/review-requests/?only-links=create&only-fields= expired and was modified

Making HTTP POST request to http://someserver/api/review-requests/

Making HTTP GET request to http://someserver/api/review-requests/16/diffs/?only-fields=

Added cache entry for HTTP GET request to http://someserver/api/review-requests/16/diffs/?only-fields=

Making HTTP POST request to http://someserver/api/review-requests/16/diffs/

Making HTTP GET request to http://someserver/api/review-requests/16/draft/?only-fields=commit_id

Added cache entry for HTTP GET request to http://someserver/api/review-requests/16/draft/?only-fields=commit_id

Running: git log --reverse --pretty=format:%s%n%n%b ^64e8962084075fba4884c6cb858501800d8a58f8 941983aaa9f032d1fb49bf45481936b674eb5896

Making HTTP PUT request to http://someserver/api/review-requests/16/draft/

Review request #16 posted.




Moreover in the location "/tmp/reviewboard.vEIWOG", the following results are seen:


cat /tmp/reviewboard.vEIWOG/README.md.diff

diff --git a/README.md b/README.md

index 7e7385be8ca11bc32341e47ca24ccfef66157c53..9f563e723a313c2c33af13931873a79a0293e72e 100644

--- a/README.md

+++ b/README.md

@@ -1,2 +1,4 @@

 To Be Done

-TBD

\ No newline at end of file

+TBD

+

+


cat  /tmp/reviewboard.vEIWOG/tmphsIt9H-new.rej

--- README.md

+++ README.md

@@ -1,2 +1,4 @@

 To Be Done

-TBD+TBD

+

+