74836 - Switching between folders causes message pane headers to disappear

Status: VERIFIED DUPLICATE of bug 39655

(SeaMonkey :: MailNews: Message Display, defect)

Description

[khamis]

From Bugzilla Helper:
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; 0.8.1) Gecko/20010323
BuildID:    Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; 0.8.1) Gecko/20010323

The Mail Tool has massive drawing problems of panes.
- sometimes I can't change the text page of an email,
- sometimes the emailer doesn't show the head of emails
- somethimes the emailer doesn't show the list of emails
- and so on...

Reproducible: Sometimes
Steps to Reproduce:
1. Go to a email folder and click on it
2. click on one email entry

you will propably see the message, but not the message header.

Comment 1

[James Paige]

Works for me in build 2001040404 on Windows 95

khamis, can you test this again with the latest nightly build? The build you
listed in the report is almost 2 weeks old.

Comment 2

[Asa Dotzler [:asa]]

I'm seeing this problem as well.  I'm going to try to focus this bug on what I
think is the real problem.  

Old summary: Drawing Problems of Panes in Mail
New summary:  Switching between folders causes message pane headers to disappear

Steps to Reproduce:
Load an IMAP account
Select a message in the Inbox.  Make sure that the Header in the message pane is
showing default headers Normal and Expanded
With the mouse select another IMAP folder with messages

Results: Header is either missing completely or displayed with no content.  

Additional Information.  
Moving the splitter between the threadpane and message pane usually fixes the
problem.  The problem is not 100% reproducable on but displays enough of the
time that it should not be difficult to reproduce moving between folders several
times.  
The folders I'm testing with are Inbox (about 7000 messages) and a Sent Mail
(about 2000 messages)

Reassigning to MailNews Front End

Comment 3

[[e-mail] (gone - use [e-mail] instead)]

Possibly related to bug 74835...

Comment 4

[[e-mail] (gone - use [e-mail] instead)]

Sorry, I meant this bug: http://bugzilla.mozilla.org/show_bug.cgi?id=74817

Comment 5

[Brian Duff]

stephend, I don't think this is a dup of 74817 - the other bug is referring to
repaint problems in the outliner, this bug is referring to problems with the
message header area in the actual message display itself.

I've been consistently seeing the problem described in this bug since 0.8, and
it's still reproducing in 20001041104. On an IMAP mail server, switching between
folders causes either:

o The message header pane not being displayed at all, OR,
o The message header pane being displayed as an empty, unpainted (blue) area.

This behaviour isn't 100% reproducable, but it happens more often than it doesn't.

In either case, the message headers can be restored by resizing the horizontal
divider that separates the outliner from the message view area.

Comment 6

[[e-mail] (gone - use [e-mail] instead)]

I heard this might be an XPtoolkit problem.

Comment 7

[laurel]

*** This bug has been marked as a duplicate of 39655 ***

Comment 8

[laurel]

Marking verified as a duplicate.