Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 3698 by Condensediff warning in 2.0.11

What version are you running?
RB migration from 1.6.9 ==> 2.0.11

What's the URL of the page containing the problem?
Its not the URL problem, but the DB migration warning during condensediff.

What steps will reproduce the problem?
In a test environment;
1. Installed RB 2.0.11 (including all necessary dependencies)
2. DB dump was taken from production and converted all tables to InnoDB.
3. Initial attempt was made to condense diff in CHARSET latin1 - the warning is observed. 4. After reading few posts in RB group, I thought the problem may be due to CHARSET in DB and changed the DB and all tables to uft8 CHARSET - even then the same warning is observed.

It means the warning is not associated with the DB and its CHARSET, something else?

What is the expected output? What do you see instead?
Condensediff should not result in any warnings.
Please see the last topic of the error on STDOUT

What operating system are you using? What browser?

- RHEL-6.3, 64 bit. Warning appears during condensediff operation.
However, I suspect this warning may lead in to an error? - I am not sure.

Please provide any additional information below.

Error on STDOUT:
$ rb-site manage  /var/www/rbsite -- condensediffs
Processing 555709 diffs for duplicates...

This may take a while. It is safe to continue using Review Board while this is
processing, but it may temporarily run slower.

WARNING:py.warnings:/usr/lib/python2.7/site-packages/ReviewBoard-2.0.11-py2.7.egg/reviewboard/diffviewer/ UnicodeWarning: Unicode unequal comparison failed to convert both arguments to Unicode - interpreting them as being unequal
  if parent_diff != "":

  [100%] 555709/555709 - 0 seconds remaining

How the migration was done?
1) Installed the new RB instance in a different server (also in the different directory) than production.
2) DB was dumped using mysqldump.
3) Imported the DB into test environment in default mode latin1 (also in utf8 in second attempt) 4) Created the site using rb-site - during the site creation the RB schema was updated from 1.6.9 ==> 2.0.11 - no warnings observed.
5) While performing condensediff, the above warning is seen.
This is where I have stopped further migration work.

Please let me know, if more information is required.

Thanks, Ravi

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