Bug #58526 Unable to export database with MySQL workbench if ~/.my.cnf exists
Submitted: 26 Nov 2010 18:14 Modified: 16 Jan 2014 1:58
Reporter: Aleksey Ovcharenko Email Updates:
Status: Closed Impact on me:
Category:MySQL Workbench: Administration Severity:S2 (Serious)
Version:5.2.30 OS:MacOS
Assigned to: CPU Architecture:Any
Tags: export, my.cnf, workbench

[26 Nov 2010 18:14] Aleksey Ovcharenko
During export getting this in log:

mysqldump: Got error: 1045: Access denied for user 'root'@'localhost' (using password:
YES) when trying to connect

Operation failed with exitcode 2

How to repeat:
Try to export with "Data Dump -> Export to Disk" if you have custom ~/.my.cnf

Suggested fix:
MySQL client limitation/bug? ~/.my.cnf has read in the end of all defaults files parsed, even if you define --defaults-extra-file in command line.

As workaround replace inside of Contents/PlugIns/wb_admin_export.py:
    91                 pwdfilename = os.path.join(tmpdir, 'extraparams')
     92                 os.mkfifo(pwdfilename)
     94             logstr += "--defaults-extra-file=\"" + pwdfilename + "\" "


     91                 pwdfilename = os.path.join(tmpdir, 'extraparams')
     92                 os.mkfifo(pwdfilename)
     94             logstr += "--defaults-file=\"" + pwdfilename + "\" "
[2 Jan 2011 15:48] Valeriy Kravchuk
Doesn't http://dev.mysql.com/doc/refman/5.1/en/option-files.html explain what happens? Why do think there is a bug here?
[3 Jan 2011 15:04] Aleksey Ovcharenko
IMHO, ~/.my.cnf shouldn't be used here as MySQL workbench creates temporary my.cnf file with password for tunneled connection. Obviously that temp my.cnf file will be overwritten by local ~/.my.cnf data, making connection impossible (unless you use same password for ALL your MySQL servers).
[22 Feb 2011 18:09] Juan Rene Ramirez Monarrez

The issue has been reproduced, even the application works as designed it seems to be an issue, I'm glad you've found a workaround, we will need to review this further to see the best option to get it resolved.

[16 Jan 2014 1:58] Philip Olson
Fixed as of the upcoming Workbench 6.1.1 release, and here is the changelog entry:

On Linux, executing "Export to Disk" with a custom "~/my.cnf" present
would cause the export to fail.

Thank you for the bug report.