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Bug #12551

closed

Exception accessing file with long path on windows

Added by Maturin (Lars Benner) over 7 years ago. Updated almost 3 years ago.

Status:
Closed
Assignee:
-
Target version:
-
ruby -v:
ruby 2.3.0p0 (2015-12-25 revision 53290) [x64-mingw32]
[ruby-core:76256]
Tags:

Description

Accessing file with a long file name causes this exception:

C:/Projects/Head/Build/cm/testdir01/testdir02/testdir03/testdir04/testdir05/testdir06/testdir07/testdir08/testdir09/testdir10/testdir11/testdir12/testdir13/testdir14/testdir15/testdir16/testdir17/testdir18/testdir19/testdir20/testdir21/testdir22/longtestfile.name.txt
repro_lstat_exception.rb:42:in stat': No such file or directory @ rb_file_s_stat - C:/Projects/Head/Build/cm/testdir01/testdir02/testdir03/testdir04/testdir05/testdir06/testdir07/testdir08/testdir09/testdir10/testdir11/testdir12/testdir13/testdir14/testdir15/testdir16/testdir17/testdir18/testdir19/testdir20/testdir21/testdir22/longtestfile.name.txt (Errno::ENOENT) from repro_lstat_exception.rb:42:in block in '
from repro_lstat_exception.rb:13:in chdir' from repro_lstat_exception.rb:13:in '

Can be reproduced with the attach script.

I used windows 7 64 bit and an NTFS file system.

For me it looks like, it has something to do with the legacy MAX_PATH_LENGTH of 260 characters. See https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx#maxpath for more information.

Originally I discovered the bug with JRuby (https://github.com/jruby/jruby/issues/3995).

With older Ruby version, I tried 1.8.5, it is working.


Files

long_file_name_error.zip (10.7 KB) long_file_name_error.zip Maturin (Lars Benner), 07/04/2016 03:00 PM

Related issues 1 (0 open1 closed)

Has duplicate Ruby master - Bug #14631: Add support for long paths in Windows 10 when support is enabled in the OSClosedActions
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